.NET is a developer platform for building .NET apps using C#, F#, or Visual Basic programming languages. ASP.NET is a server-side framework for creating dynamic web sites, applications and services. ASP.Net MVC Framework is suitable both for small to mid-scale projects and for large enterprise applications). Custom software development based on .NET technologies is one of the priority areas at Belitsoft.
Belitsoft is capable of .NET applications development, Internet and Intranet-oriented websites design and deployment, robust and multi-functional web applications creation. As one of the best software development companies in Eastern Europe we successfully implemented projects of different complexity and for various industries. Our .NET developers are always aware of the latest trends of Microsoft production to provide our customers with effective business solutions.

.NET Development Services
Companies choose Belitsoft custom .NET software development services to scale their IT resources quickly and reduce the delivery time.
Modernization of your .NET-based software and related infrastructure to improve performance
We solve issues with slow performance, if your staff or clients struggle with smooth web and mobile access to your .NET-based applications, and you want to scale up the team of .NET developers quickly.
Optimizing existing functionality
Targeted refactoring of the legacy code by implementing more modern and efficient approaches that allow you to solve tasks faster;
Optimizing databases (MSSQL, MySQL, PostgreSQL, SQLite, LiteDB, etc.) for minimizing the response time of users’ requests;
Software architecture redesigning (if necessary): separating frontend and backend by creating SPA for each application and REST Web API to increase servers performance up to 30%.
.NET Migration Services (Migrating to .NET Core)
Checking compliance with .NET Core requirements to avoid accessibility or compatibility issues after migration;
Upgrading technologies incompatible with .NET Core, as well as ensuring that all necessary dependencies, including APIs, still work;
Migrating platform-specific (native) and 3rd-party libraries to NET.Core;
Further .NET software optimization after migration, if needed, such as query profiling and optimizing the database, reducing the use of the stored procedures in DB, using more effective APIs for .NET Core for better performance.
Migration to the Cloud
Choosing a cloud provider that will best deliver the value your company expects from migrating your .NET software to the cloud by creating a Proof of Concept;
Assessing scope of work and expenses to offer you the most straightforward and suitable migration plan;
Modernizing .NET software for the cloud to lower the migration costs and meet the requirements of the selected cloud provider;
Deploying your .NET software to the cloud with near-zero downtime by dividing the process into steps, such as the database migration and security enhancement;
Further app optimization to reduce costs and expand the benefits of using cloud services to the maximum.
.NET Software Testing and Quality assurance
Ensuring excellent software performance by applying functional testing, performance testing, migration testing, and others when needed;
Enhancing User Experience with the help of usability testing, GUI testing, and others on demand;
Ensuring smooth integration of new features into your .NET software using integration testing and regression testing.
.NET Technologies We Focus on:
Why Choose Belitsoft
- Our 50+ Microsoft Net development team (talented project managers, business analysts, dotNet developers, QA and support engineers, system administrators) are ready to share their expertise. Our .NET software developers will make a realistic roadmap for the implementation of your ideas and will deliver a product matching your business goals.
- Our top Net developers have 10+ years of dotNet programming experience in the area and gained an official Microsoft certification. To receive the official MCSD: Web Applications status certificate our coders successfully passed 3 exams: Programming in HTML5 with JavaScript and CSS3, Developing ASP.NET MVC Web Applications and Developing Microsoft Azure and Web Services.
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In 2015, Belitsoft .NET programming company got an official Microsoft Gold Application Development company status. This status reflected not only the highly qualified staff and software quality of Belitsoft, but also proved the significant experience as a Net app development company.
- Belitsoft Is Featured Among 20 Most Promising .NET Development Solution Providers by CIOReview.
- Hire ASP.Net programmers at Belitsoft whether you have small or large project. Our Microsoft Net application development company has long-term clients who ordered custom ASP web development and now receive technical maintenance and customers' support services for the developed products.
- We have big experience of .NET development including ASP development: web applications, web portals, custom SharePoint-based solutions for EDMS and eLearning, applications for Office 365, etc. See our selected .NET case studies.
- Each custom solution receives support during a warranty period. Belitsoft .NET software development company provides 6+ month warranty with SLA (Service Level Agreement) for the projects developed by our .NET / ASP developers and on-demand prioritized support.
- Outsourced .NET application development using dedicated teams and flexible cooperation conditions shortens time-to-market period and grants in time and within budget delivery.
- Our clients trust us and value all the range of services we provide from consulting to product development and maintenance. See our clients and testimonials.
- Hire best .NET developers at Belitsoft to get significantly shorten adaptation period after a new solution has been integrated into software environment of your company.
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Belitsoft has been the driving force behind several of our software development projects within the last few years. This company demonstrates high professionalism in their work approach. They have continuously proved to be ready to go the extra mile. We are very happy with Belitsoft, and in a position to strongly recommend them for software development and support as a most reliable and fully transparent partner focused on long term business relationships.
Global Head of Commercial Development L&D at Technicolor