Belitsoft > Reliable Custom Software Development Company

Reliable Custom Software Development Company

Looking for a high-quality custom software development agency that specializes in enhancing or modernizing existing software and need an up-to-date response? Belitsoft provides custom software development services, individually tailored to every client. We build custom applications to improve unique processes for medium and large companies. Get your own easy-to-use, secure custom software adapted to your needs.

Custom Software Development Services

Custom software development is a process of designing, creating, testing, deploying, and maintaining reliable software tailored for the individual needs of particular companies.

Belitsoft's custom software development is built around Agile methodologies (Scrum and Kanban) combined with DevOps practices (CI/CD pipelines and automated testing) to guarantee fast software delivery and ensure that the code is secure and of high quality.

Rely on our custom software development services to transform your unique business processes or vision into intuitive digital solutions.

Unlike off-the-shelf tools, custom software development gives you wide access to microservices, AI/ML, and IoT solutions for any industry, whether it's healthcare, finance, or cybersecurity, and lets you use proven third-party components and public APIs to reduce development costs.

Custom software development services provided by Belitsoft offer experienced senior developers with more than 22 years of industry expertise across over 450 delivered large IT projects.

Our engineers follow globally recognized coding standards & security-by-design principles to maximize your ROI.

Belitsoft offers bespoke enterprise application development ( web, mobile ) tailored to specific IT needs in financial services, insurance, manufacturing, healthcare, and more. We also develop custom software products at affordable prices for digital startups. Our firm is a high-quality, reliable partner trusted by founders for end-to-end software development services (agentic AI, frontend, UX design, backend, API, database). Choose our agency among software solution providers skilled in building scalable, high-traffic platforms! We offer the fastest project turnaround and have the best reviews

belitsoft logo
featured by
forbes logo gartner logo
offshore software development services
Contact Our Team arrow right

Custom Software Development from Scratch

Haven’t got your own in-house developers? Or do they have enough work on their plate or don’t have the relevant skill set? Do you need a team for developing custom software for large projects, who performs quickly and within a reasonable budget?

Hire a software development team of proactive and experienced specialists to obtain full-cycle software development, maintenance, and support services. They will ensure that your app is launched on the date you are aiming for. High quality matters to us, so be confident in getting a user-friendly and easy-to-manage product that will receive positive feedback.

Belitsoft acts as your software development outsourcing company, performing autonomously or collaborating with your developers. We equip you with technologically capable custom software engineers in the short term to form a core of your development team.

Profile us among companies that custom software development services. We propose a pilot project to get a feel for our benefits.

Custom Software Product Development

You know how the finished product—one that does not yet exist—should work, and we know how to build it so that you 100% own it. Clients often ask us to use our bespoke programming skills to design, create and deploy:

  • Innovative startup platforms built around rapidly evolving technologies like AI to transform the market 
  • Industry-specific software for sectors such as healthcare, finance, logistics, marketing, retail, and agriculture, with features tailored to the needs of that industry better than ever
  • Management-focused software products like ERP and CRM to help businesses manage their own resources, including data, employees, finances, customers, and materials more efficiently than with off-the-shelf options
  • Workflow automation and analytics solutions to eliminate manual efforts in extracting and entering data, as well as performing granular data analysis at a level not previously achieved relying on existing tools

Custom Web Application Development

Belitsoft develops modern self-service web portals, interactive websites and custom web tools with complex requirements, complicated rules and unique functionality, accessed through any browser, with advanced API integration capabilities, and able to scale for growing companies and corporations.

We secure information and restrict external users’ access to payment information, user login credentials, etc., and provide authorized users with appropriate permissions after registration to manage web applications via an administration panel, create profiles, allow multiple users to edit and change content while tracking edits, etc.

Customization of Ready-to-Use Software Products

We help software companies with proprietary software products that are distributed to millions of users worldwide. Our clients turn to our application modernization services to customize their existing software products based on specific requests and deliver it to end customers in a quick turnaround. Our clients call for improvement of their team's capacity through bringing in more skilled developers. We suggest outsourcing your software product customization to Belitsoft to increase development velocity, build more applications, and deliver the software to end customers within deadlines. We guarantee a quick start with senior software developers available in our staff even if the projects are complicated. Interview shortlisted specialists upon the provided CVs. Hire the right people as quickly as you need without wasting resources or examining hundreds of people. Good value for money allows our clients to save about 40%, compared to local custom software development cost.

Custom SaaS Development

We're more than a general software development service due to the custom SaaS development specialization. We're equipped to provide an architecture that will allow for core SaaS customization aimed at your premium customer base. Should you need assistance scaling or customizing existing SaaS solutions, we can provide an extensive portfolio that includes working in collaboration with client companies' in-house product development teams to modernize applications. For examples of our work, check out our cases on healthcare SaaS customization, insurance SaaS customization and cybersecurity SaaS customization.

Custom API and Database Development

Custom API Development and Integration

With security and cost-effectiveness in mind, we integrate RESTful APIs, including the OpenAI API to extend your software. APIs that handle large volumes of requests and are compatible with mobile and cloud architectures. Add any number of integrations with third-party services you need.

Custom Database Development

We develop custom database solutions with advanced security measures to protect your valuable data. They are designed to grow with your business and may be built with various database management systems, both SQL and NoSQL. If you're in healthcare, we ensure full compliance with HIPAA regulations to securely manage patient data.

Technologies and tools we use

Web Development

Our skilled developers keep up to date with the latest technologies and follow industry best practices for software development. We deliver clean, error-free code with a strong commitment to standards, syntax, principles of Object-Oriented Programming and intuitive design.

Back-end

Whether it's leveraging the speed and simplicity of Spring, utilizing the elegance of Laravel/Lumen, harnessing the power of Python-based frameworks like Django and Flask, or adapting to a variety of other backend technologies, our seasoned developers are capable of building, deploying, and maintaining scalable, robust, and secure backends.

Front-end
Javascript Frameworks
React Angular Vue Js
Next Js
Meteor
Languages
JS
HTML
CSS3
Stay Calm with No Surprise Expenses

Stay Calm with No Surprise Expenses

  • You get a detailed project plan with costs associated with each feature developed
  • Before bidding on a project, we conduct a review to filter out non-essential inquiries that can lead to overestimation
  • You are able to increase or decrease the hours depending on your project scope, which will ultimately save you a lot of $
  • Weekly reports help you maintain control over the budget
Don’t Stress About Work Not Being Done

Don’t Stress About Work Not Being Done

  • We sign the Statement of Work to specify the budget, deliverables and the schedule
  • You see who’s responsible for what tasks in your favorite task management system
  • We hold weekly status meetings to provide demos of what’s been achieved to hit the milestones
  • Low personnel turnover rate at Belitsoft is below 12% per annum. The risk of losing key people on your projects is low, and thus we keep knowledge in your projects and save your money
  • Our managers know how to keep core specialists long enough to make meaningful progress on your project.
Be Confident Your Secrets are Secure

Be Confident Your Secrets are Secure

  • We guarantee your property protection policy using Master Service Agreement, Non-Disclosure Agreement, and Employee Confidentiality Contract signed prior to the start of work
  • Your legal team is welcome to make any necessary modifications to the documents to ensure they align with your requirements
  • We also implement multi-factor authentication and data encryption to add an extra layer of protection to your sensitive information while working with your software
No Need to Explain Twice

No Need to Explain Twice

  • With minimal input from you and without overwhelming you with technical buzzwords, your needs are converted into a project requirements document any engineer can easily understand. This allows you to assign less technical staff to a project on your end, if necessary
  • Communication with your agile remote team is free-flowing and instantaneous, making things easier for you
  • Our communication goes through your preferred video/audio meeting tools like Microsoft Teams and more
Mentally Synced With Your Team

Mentally Synced With Your Team

  • Commitment to business English proficiency enables the staff of our offshore software development company to collaborate as effectively as native English speakers, saving you time
  • We create a hybrid composition, where our engineers work with your team members in tandem
  • Work with individuals who comprehend US and EU business climate and business requirements

Portfolio

.NET and Azure Softwarу Development Team Augmentation for a USA Fortune 1000 Company (New York, Telecom, SaaS)
.NET and Azure Softwarу Development Staff Augmentation for a USA Fortune 1000 Company (New York, Telecom, SaaS)
One of our strategic client and partner (a large telecommunication company) provides a prepaid calling service that allows the making of cheap calls inside and outside the USA via Internet (PIN-less VoIP).
AI Agent Development: Chrome Extension as In-App Guidance Tool For ERP and CRM
AI Agent Development: Chrome Extension as In-App Guidance Tool For ERP and CRM
For an ecommerce client, we developed an AI Chrome extension that provides in-app guidance - a digital adoption tool to help the founder train staff on best practices and reduce high turnover. While one of their systems, Microsoft Dynamics 365 Business Central, has built-in Copilot agents that automate tasks, these agents don't teach employees how to navigate the interface.
Custom Clinical Trial Recruitment Software Development for a Startup
Custom CRM Database to Recruit and Retain Patients for Clinical Trials
The Client is the US-based digital health company partnered with Belitsoft to make the patient recruitment workflow much more effective by developing a brand-new custom patient recruitment software.
Android and iOS Mobile App Development for a Drone Company
Android and iOS Mobile App Development for a Drone Company
Our Client, one of the world’s largest drone companies, decided to create a convenient mobile video editing app. Belitsoft has provided the Client with a team of Android and iOS mobile developers to create custom mobile apps for editing videos recorded using the drones produced by our Client.
AI-Turbocharged LXP (with AI Quiz Generator and AI Course Creator)
AI-Turbocharged LXP (with AI Quiz Generator and AI Course Creator)
Belitsoft has developed a customizable AI-powered platform for distance learning, where learners can take courses and quizzes.
Cloud Analytics Modernization on AWS for Health Data Analytics Company
Cloud Analytics Modernization on AWS for Health Data Analytics Company
Belitsoft designed a cloud-native web application for our client, a US healthcare solutions provider, using AWS. Previously, the company relied solely on desktop-based and on-premise software for its internal operations. To address the challenge of real-time automated scaling, we implemented a serverless architecture, using AWS Lambda.

Recommended posts

Belitsoft Blog for Entrepreneurs

Our Clients' Feedback

zensai
technicolor
crismon
berkeley
hathway
howcast
fraunhofer
apollomatrix
key2know
regenmed
moblers
showcast
ticken
Next slide
Let's Talk Business
Do you have a software development project to implement? We have people to work on it. We will be glad to answer all your questions as well as estimate any project of yours. Use the form below to describe the project and we will get in touch with you within 1 business day.
Contact form
We will process your personal data as described in the privacy notice
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply
Contact us

USA +1 (917) 410-57-57
700 N Fairfax St Ste 614, Alexandria, VA, 22314 - 2040, United States

UK +44 (20) 3318-18-53
26/28 Hammersmith Grove, London W6 7HA

Poland +48 222 922 436
Warsaw, Poland, st. Elektoralna 13/103

Email us

[email protected]

to top