.NET Framework to .NET Core Migration

Why Belitsoft? With more than two decades devoted to .NET modernization, we’ve helped over 1,000 organizations achieve their technology goals - including the delivery of 200+ complex projects. After we deliver an MVP, nine out of ten customers choose to keep working with us. Our modernization work is a targeted intervention aligned with the dominant business driver in each vertical, which is why the resulting gains meet sector-specific needs. For finance - it's security and compliance, for e-commerce - it's latency under load, for healthcare - it's data integrity and privacy. The improvements after our migration and modernization efforts will be measurable - less manual work hours, lower page-load times, faster claim cycles, or higher orders per second. These KPIs are tracked before and after the cut-over, so the impact will be visible. With Belitsoft, you’ll gain cross-platform deployment, cloud scalability, and stronger security - each of which ties directly to a business advantage like lower costs, higher uptime, or audit readiness. Looking to modernize your legacy .NET applications? Belitsoft's dedicated .NET developers modernize legacy apps with minimal disruption, ensuring your systems are scalable, secure, and technologically up-to-date. Our .NET Migration Services We provide a full-spectrum offering - architecture consulting to future-proof the design, performance testing to validate speed under load, cloud deployment to land you in Azure or AWS with best-practice pipelines, and ongoing support. Every layer of the stack is covered by experts. If all you need is a tight, migration-only engagement, we’ll deliver it. Basic .NET Migration Services We specialize in straightforward "lift-and-shift" migrations that move your applications from older .NET Framework versions to the latest .NET releases (such as .NET 8 or .NET 9) with minimal code changes. We move your legacy software - whether it’s built on older versions of .NET - to the newest Microsoft .NET platform. The migration process is quick and cost-effective. We safeguard your data and keep downtime to a minimum. Our migration experts adjust each step to match your specific needs. As part of the process, we update project files, upgrade infrastructure components, such as IIS or cloud-based services, assess environment configurations, and modernize web app deployment settings, so everything aligns with current best practices.  Where data is involved, we migrate database schemas and stored procedures - whether you’re upgrading on-premises SQL Server or transitioning to Azure SQL - so your data layer remains fully compatible. The end result - once the migration is complete, your application just works, delivering the same functionality you rely on, now running on fully supported, modern technology. Enhanced .NET Modernization Services Beyond simply moving code, this type of migration elevates your application. We begin by upgrading the codebase to cross-platform .NET Core / .NET 8/9+ so you immediately benefit from the runtime’s performance and memory management gains - many organizations report 25-30% faster throughput after this step alone.  While the upgrade is underway, we profile the app, tune hot paths, and harden security: HTTPS is enforced by default, authorization is refactored using ASP.NET Core’s modern policy model, and known vulnerabilities are patched. If your legacy architecture limits agility, we refactor it - splitting monoliths into modular services or refreshing tiered designs - so the solution scales cleanly and is easier to maintain.  At the same time, we can integrate new features or UX improvements from your wish list, ensuring the product that emerges feels both familiar and unmistakably better. The result is an application that is faster, more secure, and cloud-ready - an upgrade in capability and value, not merely a change of runtime. .NET Migration Service Delivery Models We Offer Remote (Offshore) Team Our offshore delivery model lets you tap into a global pool of seasoned .NET engineers, giving you enterprise-grade expertise at a lower cost than exclusively onshore teams. To make sure distance never dilutes quality, we build in robust communication rhythms - daily stand-ups, shared sprint boards, and overlapping core hours - so questions are answered promptly and priorities stay aligned. Operating remotely also trims your overhead: you avoid extra office space and equipment costs while our teams handle the infrastructure. Throughout every sprint, collaborative tools and agile ceremonies keep progress transparent, pulling you into each decision loop and ensuring that "off-site" never feels out of sight. Time-Zone Alignment We can staff teams that work in your time zone, joining daily stand-ups and reacting to issues in real time. When using fully offshore talent for cost efficiency, we schedule guaranteed overlap windows. The result is a global team that feels local: quick hand-offs, instant feedback loops, and faster resolution of critical issues - no matter where the engineers are seated. Engagement Models Fixed-scope, one-off projects deliver a turnkey migration: we lock requirements, schedule, and price up front, then execute to meet the agreed-upon deadline and budget. This gives you maximum cost and timeline predictability while ensuring the application is fully migrated and ready for production on day one. Ongoing partnerships extend the relationship beyond the initial cutover. After go-live, our team stays embedded as a strategic extension of your IT organization - handling iterative modernization, performance tuning, future .NET upgrades, routine maintenance, and rapid troubleshooting. This continuous engagement keeps the software evergreen and lets you evolve features at the pace your business demands. Whether you need a single, predictable handoff or a long-term ally who shares your roadmap, we align our approach. Need a team fast?  We can spin up a dedicated, full-cycle team in just a few weeks, delivering approximately 170 hours per month of focused engineering capacity.  If you already have developers in place, we integrate seamlessly as team augmentation - powered by a high-velocity recruitment engine that provides certified experts exactly when you need them.  Engage us under an outsourcing model, and we take on the timeline and budget risk - freeing you to focus on the roadmap, not resourcing concerns. .NET Applications Types We Migrate Belitsoft offers end-to-end modernization across every part of a legacy application. User interfaces Desktop tools - whether WinForms, WPF, or console apps - are ported to the latest .NET so they run smoothly on Windows 11. If you have a VB.NET WinForms application, we can either move it intact onto .NET 8/9 to keep the familiar look and feel, or redesign the interface in WPF or Blazor for a more modern experience. Web-based systems We migrate classic ASP.NET Web Forms step by step into ASP.NET MVC or ASP.NET Core. Pages are replaced gradually, allowing the business to stay online during the process. If you want a new interface - React, Angular, or Blazor - we can add it on top of your existing logic, keeping functionality stable while improving the experience. The updated system runs on ASP.NET Core’s streamlined platform, giving you cleaner code, better performance, and room to scale in the cloud. Backends Legacy ASMX or WCF services are rebuilt as modern REST APIs or high-speed gRPC endpoints on .NET 8/9 and beyond. Background jobs that used to run as console or Windows services are migrated to .NET Worker Services - or Azure Functions, if you're moving to the cloud - to align with today’s DevOps and serverless models. Databases Whether you're upgrading an old SQL Server or switching to Azure SQL, we migrate your data and schema with full integrity checks. Mappings and stored procedures are updated and regression-tested, so your system picks up right where it left off - only faster, easier to maintain, and ready for what’s next. Our dedicated .NET developers deliver scalable, secure solutions handling everything from web app upgrades to cloud-ready service layers and database migrations. Let’s talk about your application migration project. .NET Migration Tools And Automation We Use Our migrations are driven by automation and repeatable tooling. When using a Code First approach, every database change is scripted as an Entity Framework Core migration, so the schema evolves incrementally, can be replayed in any environment, and never relies on manual SQL. In Database First scenarios, we work from the existing database structure and apply updates directly using specialized tools to ensure consistency and traceability. Before a single line is merged into "main", we run static code analyzers - the .NET Portability Analyzer, Roslyn-based rules, and custom security checks - to identify unsupported APIs, deprecated calls, or vulnerabilities. Changes then flow through a CI/CD pipeline in platforms such as Azure DevOps or GitHub Actions: each push triggers clean builds, automated tests, and deployment to a staging slot. That feedback loop catches integration issues or performance regressions within minutes. By the time we hand the project back, you get the fully automated build-and-release pipeline, which comes complete with green-to-green dashboards and one-click rollbacks. .NET Migration for Large Enterprises We deliver an end-to-end engagement that covers every phase - initial assessment, full-scale execution, and post-migration support - so you never manage multiple vendors. We begin with an application-portfolio assessment and a pilot migration, identifying quick wins and hidden risks, and validating tooling in a controlled setting before any large-scale cut-over. This diligence de-risks the roadmap for the most complex enterprise estates. Throughout execution, we coordinate tightly with your PMO and align to all internal compliance and security mandates, ensuring milestones, reporting, and governance dovetail with your existing processes. Because our bench spans databases, security, UI/UX, and cloud architecture, you get one-stop shopping - no need to stitch together separate specialists. As the project wraps, we provide structured knowledge transfer and training so your teams can operate, extend, and modernize the platform long after we step back.  .NET Migration for Cost-Conscious Organizations Our offshore delivery model makes large-scale migrations financially viable without compromising quality.  By tapping into global talent pools, we assign specialized .NET engineers to each task - often at significantly lower rates than fully onshore teams - and pass those savings directly to you.  Mature processes, overlapping work hours, and disciplined communication rhythms eliminate common offshore pitfalls, keeping progress fast and expectations clear.  This approach allows you to modernize mission-critical systems within tight budgets, rescuing projects that might otherwise have been shelved due to cost. .NET Migration for Internal Development Teams We serve as an on-demand extension of your engineering staff, stepping in wherever your migration hits a skills gap. Whether the sticking point is a VB6 module, an Entity Framework data layer, or a cloud uplift to Azure, our specialists plug directly into your workflow to tackle the hardest problems. Collaboration is hands-on: pair programming sessions, structured code reviews, and quick-fire whiteboard problem-solving all happen in real time. Along the way, we can mentor your developers - explaining design choices, demonstrating modern patterns, and sharing practical tips. By project close, you gain a fully modernized application and an upskilled in-house team equipped with the confidence and knowledge to own the codebase going forward. Book a free migration assessment or request a no-obligation cost estimate today.

General Skill Areas and Core .NET Proficiency In 2025, the .NET platform powers high-traffic web applications, cross-platform mobile apps, rich desktop software, large-scale cloud services, and finely scoped microservices.  Hiring managers focus on the top .NET developers who not only excel in .NET 8/9+ and modern C# but also understand cloud-native patterns, containerization, event-driven and microservice designs, front-end, and automated DevOps. The most valuable .NET engineers are also experts in communication, empathy, and collaboration. Candidates are expected to apply core object-oriented principles and the classic design patterns that turn raw language skill into clean, modular, and maintainable architectures.  High-performing apps demand expertise in asynchronous and concurrent programming (async/await, task orchestration), and design that keeps applications responsive under load. Elite engineers push further, profiling and optimizing their code, managing memory and threading behavior, and squeezing every ounce of performance and scalability from the latest .NET runtime. All of this presupposes comfort with everyday staples - generics, LINQ, error-handling practices - so that solutions stay modern. Belitsoft provides dedicated .NET developers who apply modern C# patterns, async practices, and rigorous design principles to deliver robust production-grade .NET systems. .NET Software Architecture & Patterns At the enterprise scale, today’s .NET architects must pair language expertise with architectural styles (microservices, Domain-Driven Design (DDD), and Clean Architecture).  Top .NET developers can split a system into independently deployable services, model complex domains with DDD, and enforce boundaries that keep solutions scalable, modular, and maintainable.  Underneath lies a working toolkit of time-tested patterns - MVC for presentation, Dependency Injection for inversion of control, Repository and Factory for data access and object creation - applied in strict alignment with SOLID principles to support codebases that evolve as requirements change. Because “one size fits none”, so employers prize architects who can judge when a well-structured monolith is faster, cheaper, and safer than a microservice, and who can pivot just as easily in the other direction when independent deployment, team autonomy, or global scalability demand it.  The most experienced candidates can apply event-driven designs, CQRS, and other advanced paradigms where they provide benefit.  Web Development Expertise (ASP.NET Core & Front-End) This end-to-end versatility – delivering complete, production-ready web solutions – is what hiring managers now prize. Senior developers should craft ASP.NET Core, the framework at the heart of high-performance web architectures. They create REST endpoints with either traditional Web API controllers or the lighter minimal-API style, mastering routing, HTTP semantics, and the nuances of JSON serialization so that services remain fast, predictable, and versionable over time. Seasoned .NET engineers know how to lock down endpoints with OAuth 2.0 / OpenID Connect flows and stateless JWT access tokens, then surface every route in Swagger / OpenAPI docs so front-end and third-party teams can integrate with confidence.  The strongest candidates step comfortably into full-stack territory: they “speak front-end”, understand browser constraints, and can collaborate - or even contribute - on UI work. That means practical fluency in HTML5, modern CSS, and JavaScript or TypeScript, plus hands-on experience with the frameworks that dominate conversations: Blazor for .NET-native components, or mainstream SPA libraries like React and Angular. Whether wiring Razor Pages and MVC views, hosting a Blazor Server app, or integrating a single-page React front end against an ASP.NET Core back end, top developers glide without friction.  Belitsoft offers ASP.NET Core MVC developers who are skilled in crafting maintainable, high-performance web interfaces and service layers. .NET Desktop & Mobile Development Top-tier .NET engineers add business value wherever it’s needed. The most adaptable .NET professionals glide among web, desktop, and mobile project types, reusing skills and shared code whenever architecture allows.  On the desktop side, Windows Presentation Foundation (WPF) and even legacy Windows Forms still power critical line-of-business applications across large enterprises. Mastery of XAML or the WinForms designer, an intuitive feel for event-driven UI programming, and disciplined use of MVVM keep those apps maintainable and testable. Modern cross-platform development in .NET revolves around .NET MAUI, the successor to Xamarin, which lets a single C#/XAML codebase target Android, iOS, Windows, and macOS. Engineers should understand MAUI’s shared-UI and platform-specific layers and know how to recall Xamarin’s native bindings.  .NET Cloud-Native Development & Microservices Top .NET developers are hired for their ability to architect cloud-native solutions.  That means deep proficiency with Microsoft Azure: App Service for web workloads, Azure Functions for serverless bursts, a mix of Azure Storage options and cloud databases for durable state, and Azure AD to secure everything. .NET engineers should design applications to scale elastically, layer in distributed caching, and light up end-to-end telemetry with Application Insights. Familiarity with AWS or Google Cloud adds flexibility, yet hiring managers prize mastery of Azure’s service catalog and operational model.  At the same time, cloud expertise should be linked with distributed-system thinking. Top developers decompose solutions into independent services - often microservices - pack them into Docker containers, and orchestrate them with Kubernetes (or Azure Kubernetes Service) so that each component can scale, deploy, and recover in isolation. Containerization aligns naturally with REST, gRPC, and message-based APIs, all of which must be resilient and observable through structured logging, tracing, and metrics. Serverless and event-driven patterns round out the toolkit. Leading candidates can trigger Azure Functions (or AWS Lambdas) for elastic event processing, wire components together with cloud messaging such as Azure Service Bus or RabbitMQ, and bake in cloud-grade security - identity, secret storage, encryption.  Data Management & Databases for .NET Applications Effective data handling is the backbone of every real-world .NET solution, so top developers pair language skill with database design and integration expertise.  On the relational side, they write and tune SQL against SQL Server - and often PostgreSQL or MySQL - designing normalized schemas, crafting stored procedures and functions, and squeezing every ounce of performance from the query plan. They balance raw SQL with higher-level productivity tools such as Entity Framework Core or Dapper, understanding exactly when an ORM’s convenience begins to threaten throughput and how to mitigate that risk with eager versus lazy loading, compiled queries, or hand-rolled SQL. Because modern workloads rarely fit a single storage model, elite engineers are equally comfortable in the NoSQL and distributed-store world. They reach for Cosmos DB, MongoDB, Redis, or other cloud-native options when schema-less data, global distribution, or extreme write velocity outweighs the guarantees of a relational engine - and they know how to defend that decision to architects and finance teams alike. LINQ mastery bridges both worlds, turning in-memory projections into efficient SQL or document queries while keeping C# code expressive and type-safe. They also configure performance: asynchronous data calls prevent thread starvation, connection pools are sized and monitored, indices align with real query patterns, and hot paths are cached when network latency threatens user experience.  .NET Integration A top-tier .NET engineer is a master integrator. They make disparate systems - modern microservices, brittle legacy apps, and SaaS - talk to one another reliably and securely, often as part of broader application migration initiatives. Whether it’s a classic REST/JSON contract, a high-performance gRPC stream, or an event fan-out over a message queue, they design adapters that survive time-outs, retries, schema drift, and version bumps. Payment gateways, OAuth and OpenID providers, shipping services, analytics platforms - they wrap each in well-tested, fault-tolerant clients that surface domain events. Rate-limit handling, token refresh, and idempotency are table stakes. They lean on the right integration patterns for the job. Webhooks keep systems loosely coupled yet immediately responsive. Asynchronous messaging de-risks long-running workflows and spikes in traffic. Scheduled ETL jobs reconcile data at rest, moving and transforming millions of records without locking up live services. AI .NET Development With clean data in hand, they bring intelligence into the stack.  For vision, speech, language understanding scenarios they wire up Azure Cognitive Services, abstracting each REST call behind strongly typed clients and retry-aware wrappers.  When custom modeling is required, they reach for ML.NET or ONNX-runtime, training or importing models in C# notebooks and packaging them alongside the application with versioned artifacts. At runtime, these developers surface predictions as domain-level features: a next-best-offer service returns product suggestions, a fraud-risk engine flags suspicious transactions, a dynamic-pricing module produces updated SKUs - all with confidence scores and fallback rules. They monitor drift, automate re-training, and expose explainability dashboards so the business can trust (and audit) every recommendation. DevOps & Continuous Delivery for .NET Software By 2025, employers expect every senior developer to shepherd code from commit all the way to production. That starts with Git fluency: branching strategies, disciplined pull-request workflows, and repository hygiene that keeps multiple streams of work flowing. On each push, elite engineers wire their projects into continuous-integration pipelines - Azure DevOps Pipelines, GitHub Actions, Jenkins, or TeamCity - to compile, run unit and integration tests, and surface quality gates before code merges. Strong candidates craft build definitions that package artifacts - often Docker images for ASP.NET Core microservices - and promote them through staging to production with zero manual steps. They treat infrastructure as code, using ARM templates, Bicep, or Terraform to spin up cloud resources, and they version those scripts in the same Git repos as the application code to guarantee repeatability. Container orchestration gets first-class treatment too: Kubernetes manifests or Docker Compose files live beside CI/CD YAML, ensuring that the environment developers test locally is identical to what runs on Azure Kubernetes Service or Azure Container Apps. Automation ties everything together. Scripted Entity Framework Core migrations, smoke tests after deployment, and telemetry hooks for runtime insights are all baked into the pipeline so that every commit marches smoothly from "works on my machine" to "live in production". Testing, Debugging & Quality Assurance for .NET Excellent .NET developers place software quality at the core of everything they do. Their first line of defense is a rich suite of automated tests. Unit tests - written with xUnit, NUnit, or MSTest - validate behavior at the smallest grain, and the code itself is shaped to make those tests easy to write: dependency-injection boundaries, clear interfaces, and, in many cases, Test-Driven Development guide the design. Once individual units behave as intended, great developers zoom out to integration tests that exercise the seams between modules and services. Whether they spin up an in-memory database for speed or hit a real one for fidelity, fire REST calls at a local API, or orchestrate messaging pipelines, they prove that the moving parts work together. For full-stack confidence, they add end-to-end and UI automation - Selenium, Playwright, or Azure App Center tests that click through real screens and journeys. All of these checks run continuously inside CI pipelines so regressions surface within minutes of a commit. When something slips through, top .NET engineers switch seamlessly into diagnostic mode, wielding Visual Studio’s debugger, dotTrace, PerfView, and other profilers to isolate elusive defects and performance bottlenecks. Static-analysis gates (Roslyn analyzers, SonarQube, FxCop) are another option to flag code-quality issues before they run. Industry-specific Capability Sets of Top. NET Developers Top .NET Developers Skills for Healthcare Building software for hospitals, clinics, laboratories, and insurers starts with domain fluency. Developers must understand how clinicians move through an encounter (triage → orders → documentation → coding → billing), how laboratories return results, and how payers adjudicate claims. That knowledge extends to the big systems of record - EHR/EMR platforms - and to the myriad of satellite workflows around them such as prior-authorization, inventory, and revenue-cycle management. Because patient data flows between so many actors, the stack is defined by interoperability standards. Most messages on the wire are still HL7 v2, but modern integrations increasingly use FHIR’s REST/JSON APIs and, for imaging, DICOM. Every design decision is filtered through strict privacy regimes - HIPAA and HITECH in the US, GDPR in Europe, and similar laws elsewhere - so data minimization, auditability, and patient consent are non-negotiable. From that foundation, .NET teams tend to deliver five repeatable solution types: EHR add-ins and clinical modules (problem lists, med reconciliation, decision support). Patient-facing web and mobile apps - ASP.NET Core portals or Xamarin/.NET MAUI mHealth clients. Integration engines that transform HL7, map to FHIR resources, and broker messages between legacy systems. Telemedicine back-ends with SignalR or WebRTC relaying real-time consult sessions and vitals from home devices. Analytics and decision-support pipelines built on Azure Functions, feeding dashboards that surface sepsis alerts or throughput KPIs. Each role contributes distinct, healthcare-specific value: Backend developer implements secure, RBAC-protected APIs, codifies complex rules (claim adjudication, prior-auth, scheduling), ingests HL7 lab feeds, persists FHIR resources at scale. Frontend developer crafts clinician and patient UIs with WCAG/Section 508 accessibility, masks PHI on screen, secures local storage and biometric login on mobile. Full-stack developer delivers complete flows - like appointment booking - covering server- and client-side validation, audit logging, and push notifications. Solution architect selects HIPAA-eligible cloud services, enforces PHI segregation, encryption-in-transit/at-rest, and geo-redundant DR, layers Identity (AD B2C/Okta) and zero-trust network segmentation, wraps legacy systems with .NET microservices to modernize safely. Top .NET Developers Skills for Manufacturing Modern manufacturing software teams must have deep domain knowledge. This means knowing how factory-floor operations run - how work orders flow, how quality checkpoints are enforced, and where operational-technology (OT) systems converge with enterprise IT. Industry 4.0 principles - sensor-equipped machines stream data continuously, enabling smart, data-driven decisions. Developers therefore need fluency in industrial protocols such as OPC UA (and increasingly MQTT) as well as the landscape of MES and SCADA platforms that tie production lines to upstream supply-chain processes like inventory triggers or demand forecasting. .NET practitioners typically deliver three solution patterns: IoT telemetry platforms that ingest real-time machine data - often via on-premises edge gateways pushing to cloud analytics services. Factory-control or MES applications that orchestrate workflows, scheduling, maintenance, and quality tracking, usually surfaced through WPF, Blazor, or other rich UI technologies. Integration middleware that bridges shop-floor equipment with ERP systems, using message queues and REST or gRPC APIs to achieve true IT/OT convergence. Each role contributes distinct value: Backend developers build the high-volume ingestion pipelines - Azure IoT Hub or MQTT brokers at the edge, durable time-series storage in SQL Server, Cosmos DB, or a purpose-built TSDB, and alerting logic that reads directly from PLCs via .NET OPC UA libraries. Frontend developers craft dashboards, HMIs, and maintenance portals in ASP.NET Core with SignalR, Blazor, or a React/Angular SPA, optimizing layouts for large industrial displays and rugged tablets. Full-stack developers span both realms, wiring predictive-maintenance or energy-optimization features end-to-end - from device firmware through cloud APIs to UX. Solution architects set the guardrails: selecting open protocols, decomposing workloads into microservices for streaming data, weaving in ERP and supply-chain integrations, and designing for near-real-time latency, offline resilience, and security segmentation within the plant. Top .NET Developers Skills for Finance (banking, trading, fintech, accounting) Financial software teams need an understanding of how money and risk move through the system - atomic debits and credits in a ledger, compounding interest, the full trade lifecycle from order capture to clearing & settlement, and the models that value portfolios or stress-test them. Equally important is the regulatory lattice: PCI-DSS for cardholder data, AML/KYC for onboarding, SOX and SEC rules for auditability, MiFID II for best-execution reporting, and privacy statutes such as GDPR. Interop depends on industry standards - FIX for market orders, ISO 20022 for payments, plus the card-network specifications that dictate tokenization and PAN masking. On that foundation, .NET teams tend to ship five solution types: Core-banking systems for accounts, loans, and payments Trading and investment platforms - low-latency engines with rich desktop frontends FinTech back-ends powering wallets, payment rails, or P2P lending marketplaces Risk-analytics services that run Monte Carlo or VaR calculations at scale Financial-reporting or ERP extensions that consolidate ledgers and feed regulators Within those patterns, each role adds finance-specific value: Backend developers engineer ACID-perfect transaction processing, optimize hot APIs with async I/O and caching, and wire to payment gateways, SWIFT, or market-data feeds with bulletproof retry/rollback semantics. Frontend developers craft secure customer portals or trader desktops, streaming quotes via SignalR and layering MFA, CAPTCHA, and robust validation into every interaction. Full-stack developers own cross-cutting features - say, a personal-budgeting module - spanning database, API, and UI while tuning end-to-end performance and hardening every layer. Solution architects decompose workloads into microservices, choose REST, gRPC, or message queues per scenario, plan horizontal scaling on Kubernetes or Azure Apps, and carve out PCI-scoped components behind encryption and auditable writes. Top .NET Developers Skills for Insurance Insurance software teams must understand the full policy lifecycle - from quote and issuance through renewals, endorsements, and cancellation - as well as the downstream claims process with deductibles, sub-limits, fraud checks, and payouts. They also model risk and premium across product lines (auto, property, life, health) and exchange data through the industry’s ACORD standards. All of this runs under a tight web of regulation: health lines must respect HIPAA. All carriers face the NAIC Data Security Model Law, GDPR for EU data subjects, SOX auditability, and multi-decade retention mandates. From that foundation, top .NET practitioners deliver five solution types: Policy-administration systems that quote, issue, renew, or cancel coverage. Claims-management platforms that intake FNOL, route workflows, detect fraud, and settle losses. Underwriting & rating engines that apply rule sets or ML models to price risk. Customer/agent portals for self-service, document e-delivery, and book-of-business management. Analytics pipelines tracking loss ratios, premium trends, and reserving-adequacy metrics. Each role adds insurance-specific value: Backend developer implements complex premium/rate calculations via rule engines, guarantees consistency on data that must live for decades, ingests external data sources (credit, vehicle history), carries out large-scale legacy migrations. Frontend developer crafts dynamic, form-heavy UIs with conditional questions and accessibility baked in, secures document uploads with AV scanning and size checks. Full-stack developer builds end-to-end quote-and-bind flows - guest vs. authenticated logic, schema + APIs, frontend validation - all hardened for fraud resistance. Solution architect wraps mainframes with .NET microservices behind an API gateway, enforces single source of truth and event-driven consistency, designs RBAC, encryption, DR, and integrates AI services (like image-based damage assessment) on compliant Azure infrastructure. Belitsoft connects you with .NET development experts who understand both your domain and tech stack. Whether you need backend specialists, full-stack teams, or architecture guidance, we support delivery across the full range of .NET solutions. Contact for collaboration.

Pick Belitsoft specialized dedicated .NET developers to double the app development pace and cut its costs up to 50%. To deliver the top-level services, hire experienced professionals in .NET solutions. Contact us today to discuss your project needs. Benefits of Hiring Dedicated .NET Developers You save the budget. On a long-term basis, it is often more cost-effective to hire dedicated dot NET developers than to bring in full-time net programmers or recruit via a consulting web development firm with monthly or weekly payments. You scale the net development team swiftly. Adjust the team size to the changing specific requirements and timelines of the project quickly, which is far more troublesome with in-house net experts developers. You get access to a wider pool of specialists. Hire dedicated dot NET developers worldwide with no location limits. Get the best programmers with specialization in the NET technologies and tools for efficient software development. Hire profesional NET developers and craft your business-critical application into a robust, innovative NET solution under a friendly budget. Let’s discuss it now. How to Hire Dedicated .NET Developers that 100% Match Your App Development Project Step 1: Gather project requirements Start the process by scheduling a call with our experienced specialists. Share the details of your application development project and business objectives, and receive expert guidance in defining the ideal dedicated team structure and collaboration model. If required, receive specialized consulting on .NET application development. Step 2: Define the skills and qualifications needed for the project To hire the .NET developers that suit the specifications of your dot net project, we create a list of know-how to evaluate in the technical interview and assessment. Here is an example: Hard Skills Sound knowledge of the .NET framework and its components, such as .NET (.NET Framework, .NET Core 1-3, .Net 5-6-7), ASP.NET (MVC3/MVC4/MVC5, Web API 2), ASP.NET Core, Xamarin Hands-on experience with .NET libraries, like AutoMapper, Swashbuckle, Polly, Dapper, MailKit, Ocelot Familiarity with .NET IDE and text editors, like Visual Studio (Code) or Rider Hands-on experience in integrating and managing databases, like MS SQL, PostgreSQL, SQLite, MongoDB, CosmosDB Higher proficiency in .NET testing tools, like Coded UI Test, dotTrace, dotCover, NUnit Proficiency in doing server-side and client-side implementations Knowledge of Azure cloud computing platform Comprehension of the Agile software development method Soft Skills Strong problem-solving and analytical skills Client-first mindset Strong communication and teamwork abilities Attention to detail and competence to write clean and maintainable code Ability to learn and adapt to new technologies quickly Step 3: Create a high-level project plan and estimate  Depending on your goals, we prepare a high-level .NET project plan with a tech roadmap, preliminary estimate, and a hiring strategy detailed on skill set and experience for your dedicated development team. Step 4: Interview and shortlist the top talents to match your .NET project This phase selects a few outstanding .NET developers from the many that were evaluated. We look for the perfect candidates in our pool for you first. If not, then we hunt, run campaigns, and use our recruiting strength to hire NET programmers matching your specs. Through a series of technical interviews, practical tests, code reviews, and live coding during an interview, we test the candidates for coding skills in .NET technologies, understanding of the agile process, well-documented code, a disciplined approach to testing, and communication skills. The last step is arranging interviews with the shortlisted .NET developers for you regularly. Thus, our clients skip the tiresome and costly HR process and step in while closing the hiring relevant dedicated dot net developers. Step 5: Sign agreements to ensure your privacy and ownership Our experts will create an MSA, an agreement that includes non-disclosure of information, NDA, and a full-proof legal contract to protect your IP after you confirm their competence in .NET development. Step 6: Deploy and onboard a dedicated .NET team Upon signing, the hired .NET team, comprising software developers, UI designers, QA specialists, and project managers (if needed), are ready to work on your project. We hire them for or integrate with your development team immediately. Services that Dedicated .NET Developers from Belitsoft Provide Our .NET developers bring their extensive expertise and employ agile development methodologies to ensure we execute your project professionally and on time. We assist you with the full-cycle .NET development services listed below. Web App .Net Development Build a .NET web application either on-premise or in the cloud, with powerful back-end, secure databases (MS SQL, MySQL, PostgreSQL, MongoDB, etc.), and responsive front-end, and apply REST APIs and microservices to scale the app faster. Belitsoft leverages the complete set of .NET tools to design, deliver, and test lightweight, stable, scalable web-based dot net applications for medical, health-tech, scientific, or business purposes. .NET Mobile App Development Develop a .NET mobile application on .NET MAUI or Xamarin frameworks. Our engineers will write clean code on C#, create an engaging client-side web UI (.NET MAUI Blazor and rich UI component ecosystem), store data securely and use authentication flows with .NET MAUI cross-platform APIs, libraries (Xamarin.Forms, SkiaSharp, etc.), and much more. Our .NET developers manage complex mobile app development projects and create cross-platform solutions. .NET Cloud App Development We can couple cloud technologies effectively with .NET applications for faster, more secure data operations. Our software architects deploy cost efficient .NET applications in the cloud (Azure, AWS, or others), perform load balancing (ALB, NLB, etc.), configure cloud infrastructure, handle storage solutions using database services (e.g., Amazon RDS, Amazon Aurora), and supervise automated backup, recovery, and scaling. We also provide Azure Functions developers to implement serverless, event-driven components that reduce infrastructure overhead and enable on-demand scalability. .NET Application Modernization Our offshore .NET developers migrate any outdated application to the latest ASP.NET or .NET architecture, yet you stay ahead of the technological advancements. We aim to modernize your .NET application by updating the technology stack, enhancing databases, conducting query profiling, executing targeted revisions of legacy code, and redesigning software architecture as necessary. .NET SaaS Application Development .NET technology offers great potential for developing SaaS platforms in the cloud, so our .NET developers build for you SaaS apps to provide users with subscriptions and online updates. .NET Database Management To design and manage your database, our .NET developers set up its streamlined and automated running process. .NET Integration Services To incorporate .NET applications with other critical systems within your organization, our .NET developers use their years-long expertise. They are skilled in integrating APIs and Microsoft products such as Microsoft Dynamics CRM, SharePoint, and others to improve your application performance. .NET Customization Services Our specialized .Net development services focus on modifying and adapting the .NET framework to meet specific business requirements and needs. This includes customizing existing .NET applications, creating the new ones, and integrating .NET with other technologies. We cover the development of custom .NET components, modules, and extensions, as well as the creation of custom user interfaces and integration with other systems and data sources. Enterprise .NET Development Belitsoft provides robust, scalable, and secure .NET solutions aimed to meet the individual needs of your enterprise and help in achieving business goals. Our dedicated .NET developers create .NET-based enterprise solutions that streamline your business operations and maximize revenue. .NET Application Maintenance and Support Services We provide quick and high-quality maintenance and support outset to ensure fast page load times, seamless plugin functionality, automated backup services, reduced downtime, updated software versions, security, and more. Get secure, scalable, and reliable .NET apps with eye-catchy and responsive UI/UX for a smooth support of SDK/API integrations and your business goals success. Our .NET experts are ready to answer your questions. Cost of .NET Development Services from Belitsoft At Belitsoft, we tailor the project cost individually to fit your budget and only charge for the hours spent on your project. The price of .NET app development services varies based on several factors. The most important one in case of hiring a dedicated team is the experience level of the selected .NET developers. Also, we consider the project's scope and the number of hours needed to complete the work. Why Dedicated .NET Developers from Belitsoft At Belitsoft, we work with mature tech teams and enterprises to augment their development capacity. We not only build teams, but also deliver value across the entire project lifecycle. We take pride in rigorous screening and selecting only the top-tier .NET developers to create high-performance and dynamic web applications that meet your unique needs. We work with startups, SMBs, and enterprise customers to provide the skills for any business idea. We recognize the value of having the right NET technology and tools in place for startups, and bring years of expertise to favor your digital transformation and business growth. Expert Talent Matching At Belitsoft, we carefully select your dedicated .NET developers to guarantee a prime talent of the highest quality. Out of multiple applicants, we select only a few matching your project. You will collaborate with engineering specialists (not generic recruiters or HR representatives) to comprehend your NET application development objectives, technical requirements, and team dynamics. Our network reaches expert-vetted skills to match your business demands. No freelancers All your .NET developers are Belitsoft’s employees on a full-time basis who have passed a multi-step skills examination process. Quick start Reckoning the vacant .NET programmers of our pool and your launch time progress, you can start working with them within 48 hours of signing up. High developers’ retention level We keep core developers on a NET project long enough to achieve the expected results. For that, we have implemented a culture of continuous learning to favor constant evolution and prime motivation among employees. We also review employees to estimate the level of productivity, satisfaction, and potential and to detect interpersonal problems timely that usually lead to bad performance. Scale as needed Scale your NET development team up or down as needed to save the budget or push up the product delivery to the market. Seamless hiring We handle all aspects of billing, payments, and NDA’s while you focus on building a great NET application development solution. Expertise 20 years+ in .NET development with multiple large projects for Healthcare, eLearning, FinTech, Logistics, and other domains. Transparency of project management At Belitsoft, we aim to simplify project management for you by assigning a proficient PM to handle your project. To keep you informed, we provide regular updates on the development project's progress through various means: Microsoft Teams, Slack, Skype, email, and call. We use advanced KPIs such as cycle time and team velocity to give you a clear insight into the project's status, so you can track NET development progress with ease. Flexible Engagement Models When you partner with Belitsoft and involve dedicated .NET developers, you have access to flexible engagement models to cater your unique app development requirements - full- or part-time, or on specific projects. This allows for a personalized and customized approach to your project, ensuring that we deliver it efficiently and effectively. Security Prioritization At Belitsoft, the confidentiality of your data, ideas, and workflows is of utmost importance to us. Our NET programmers operate transparently and are bound by strict non-disclosure agreements to ensure the security of your information. We also take following the rules seriously and always stick to important guidelines for software creation to give you a sense of security. Join fast-scaling startups and Fortune 500 companies that have put their trust in our developers for their business concepts. Looking to modernize with event-driven, cloud-native solutions? Belitsoft brings together skilled ASP.NET MVC, .NET Core + React JS, .NET MAUI, and SignalR developers to deliver fast, scalable applications. Our experience with Azure Functions enables serverless architectures that reduce infrastructure complexity and accelerate delivery - whether you are building real-time messaging systems or automating business processes. Partner with us to get the right .NET Core experts for your industry and business goals. How Our .NET Developers Ensure Top Code Quality Coding best practices We focus on developing secure, high-quality code by using the best tools and techniques. Code violation detection tools like SonarQube and CodeIt.Right to check code quality. Adherence to .NET coding guidelines and use of style checking tools. Strict adherence to data security practices. Quality metric tools like Reflector for decompiling and fixing .NET code. Custom modifications for token authentication to enhance password security. Optimal utilization of inbuilt libraries and minimization of third-party dependencies. Refactoring tools like ReSharper for C# code analysis and refactoring features. Descriptive naming conventions and in-code comments for clarity. Detailed code documentation. Code that is split into short and focused units. Use of frameworks APIs, third-party libraries, and version control tools. Ensured code portability and standardization through automation. Unit testing We thoroughly test the code to ensure that the code we deliver meets all requirements and functions as intended: Creation of unit tests as part of the functional requirements specification. Testing of code behavior in response to standard, boundary, and incorrect values. Utilization of the XUnit community-based .NET unit testing tool to meet design and requirements and confirm expected behavior. Rerunning of tests after each significant code change to maintain proper performance. Conducting memory testing and monitoring .NET memory usage with unit tests. Code review We have a robust code review process to ensure the quality and accuracy of our work, including: Ad hoc review - review performed on an as-needed basis. Peer review - review performed by fellow developers. Code walkthrough - step-by-step review of the code. Code inspection - thorough examination of the code to identify any potential issues or improvements. Top dedicated .NET developers are in high demand. Hire your stellar team at Belitsoft now! Success Stories of Businesses That Hire Dedicated .NET Developers at Belitsoft Skilled .NET Developers to Develop Highly Secure Enterprise Software with Scalable Architecture and Fast Performance Our client, an international enterprise, had a legacy Resource Management System with slow web access and limitations in functionality. The enterprise didn't have its own in-house developers, so it hired dedicated .NET developers from Belitsoft in order to modernize its IT infrastructure fast and resolve the pressing issues. Their request was a high-performing and easily scaling team that can be involved in the project on demand. Belitsoft fulfilled the client's requests by maintaining the core of 8 back-end and 4 front-end .NET developers on the project that showcased high performance and fast delivery of results. Belitsoft has taken the responsibility for the full-cycle software development process. Together with .NET developers, Belitsoft's team covered a Business analyst, Project manager, Designer, Frontend developers, and QA engineers. Our .NET and Azure developers resolved slow performance issues by optimizing databases, transferring the business logic to the backend, automating complex processes, and migrating the software to Azure. After resolving the first challenge, our dedicated team developed a custom app to give the enterprise’s top management full visibility of the organizational workflows and the possibility of stepping into strategically important tasks. Find the full case study in our portfolio – Custom Development Based on .NET For a Global Creative Technology Company. Or let’s talk directly about your case. 15+ Stellar .NET Developers to Meet High Investors’ Expectations in Tight Deadline Our client, an Independent Software Vendor, built a B2B BI software for digital employee experience management. After gaining a $100M investment, the business stakeholders got not only the budget for further evolution but also multiple responsibilities that had to be fulfilled in tight terms to meet investors’ expectations. The current in-house capacity of the ISV was insufficient for the exploded new workload. The business had to expand its workforce by 40% in one year to fulfill the plan. To urgently hire dedicated .NET developers for the project, the ISV needed a reliable partner with strong project management and problem-solving skills and a well-organized recruiting process. Having received a positive reference about Belitsoft, the ISV partnered with us. The request was to recruit only senior-level, top talents with years of hands-on expertise. Another must-have was a high retention level within a team. Belitsoft set up a steady, step-by-step pipeline to meet the client’s request: Hiring dot net developers through interviewing and filtering dozens of .NET developers to shortlist the best ones Introducing the new specialists with the most effective techniques for exchanging information and offering guidance Scaling up the team quickly by supplying the client with 2-3 shortlisted NET experts for the client’s personal interview every week We have built a full-stack team of 16 senior, highly experienced .NET developers in less than a year. Besides, we ensured high retention as the key to achieving great domain expertise, which leads to rapid web development and outstanding results. Belitsoft's recruitment and staff management strategies helped the customer get a successful team that upgraded the software to make it competitive and achieved multiple investors' demands, completing the task quickly. Read in detail how a company 15+ Senior Developers increased their B2B BI Software and gained $100 million in Investments. Let’s talk to see how we can help in scaling your business. Senior .NET Developers to Make EHR Cross-Platform and Grow a Client Base Our client, the Healthcare Technology Company, provides customized EHR solutions. They used the legacy NET Framework to build their core product, compatible with Windows OS only and couldn't be sold to medical organizations using macOS. It held back the business growth plans. To reach and keep healthcare organizations worldwide without technical limitations, the business stakeholders made their software product cross-platform. It required migrating the EHR to .NET Core. The HealthTech company's in-house team dedicated themselves to software customization, so they teamed up with Belitsoft to hire dedicated .NET developers for the software migration tasks. Outsourcing software migration to Belitsoft brought the business a series of tangible benefits: immediate application development start because of the fast onboarding process, smooth integration of the remote specialists with the in-house team, and quick understanding of the project and its requirements expertise in both .NET Framework and .NET Core, which favored high-quality and quick delivery of the results the capability to scale the team as needed throughout the project Dedicated dot net developers prepared the software for migration by checking the dependencies compliance and fixing incompatibilities, migrated libraries, ensured steady API support, and finally, migrated the backend to .NET Core. With .NET Core, the software became available not only for Windows users but also for macOS, attracting more customers and favoring the client's business growth. See more details about the case Migration from .NET Framework to .NET Core for a Healthcare Technology Company. 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