What we offer

What we offer

Software modernization is crucial for companies who want to stay ahead of the curve. Our application modernization experts breathe new life into your existing software, making it easier to maintain in the long run. We help you take advantage of new features, improve performance, and keep your data safe with the latest security updates. Our legacy app modernization services are tailored to ensure your migration goes smoothly and without interruption to your operations.

Application modernization services take many forms, from updating the system architecture, components, and codebase to refactoring and tweaking UI look & feel. As a legacy software modernization company, we have 13+ years of experience in application development and modernization across industries. We choose the best-fit approach based on your requirements and budget, saving valuable business logic that is costly to recreate.

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Our team is ready to uplevel your app’s performance, functionality, and usability.

Our application modernization services

Our core design service

What our clients say

How application modernization solves legacy software problems


If you struggle to find qualified developers for the legacy stack

  • We offer to migrate the legacy system to modern technology stacks and frameworks.

  • Our experts rebuild the app using popular and well-supported technologies, making it easier to find developers for the app’s support.

  • We provide training and knowledge transfer to your in-house developers.


If your software is challenging to support

  • Our development team performs code reviews and identifies areas that lack maintainability and readability.

  • We suggest refactoring and codebase restructuring to reduce technical debt.

  • Our engineers implement automated testing and continuous integration to catch issues early and ensure stability.


If your app doesn’t match your current workflow

  • We collaborate with stakeholders to understand their current workflows and pain points.

  • Our UX/UI experts redesign the app’s user flows to align with the latest industry standards and best practices.

  • We customize the app to fit seamlessly into existing workflows, streamlining processes and enhancing user productivity.


If you have an outdated and hard-to-navigate interface

  • Our designers conduct UX research and gather feedback from end-users to point out challenges in the current interface.

  • We create a modern and intuitive UI design that enhances user satisfaction and ease of navigation.

  • Developers implement responsive design to ensure your app is accessible and user-friendly across devices.


If you cannot access your app from the web

  • We propose and implement a web-based version of the app to make it accessible from any device with an internet connection.

  • Based on your requirements, we choose the best-fit cloud or on-premises solution for the app’s deployment.

  • Our engineers develop APIs and backend services to support the web version and ensure seamless integration with the existing app.


If your system fails to keep up with business growth

  • Conduct user research to identify areas for improvement

  • Create wireframes and prototypes

  • Design high-quality visuals


If you want to add new functional modules and integrations

  • Our developers evaluate the existing architecture and design to ensure it supports new modules and features.

  • We develop new modules as separate components and integrate them into the existing system using standardized APIs.

  • Our team suggests and implements third-party integrations to enhance the app's capabilities without reinventing the wheel.

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Benefits of our application modernization services


By modernizing your legacy application, you ensure it will keep up with future changes in technology. This saves you the hassle and expense of having to constantly update or replace legacy systems.

Stronger security

Older applications typically don't have the same level of security as newer ones. With our legacy software modernization services, you protect your data from potential threats and make it easier to manage security activities.

Minimized costs

Our application modernization services save you money in the long run by reducing maintenance costs and increasing efficiency.

Improved performance

Modern software is faster and more efficient thanks to the latest tech stack. This leads to increased productivity and better user experience for your employees or clients.

Greater flexibility

With newer applications come new features that make your business more agile and responsive to change. You also have an easier time integrating new technologies as they become available.

Competitive edge

Those who don't stay ahead of the curve are quickly left behind. Modernizing your legacy applications gives you a competitive advantage over other businesses that didn't invest in software modernization services.











Material UI

Styled components








Entity Framework







Data Storages:



Postgre SQL

Azure Blob Storage


Azure Cosmos DB




MS Azure



API integrations:




MS Graph API

Google API


Quick Books

Our application modernization process


Define goals

Before starting any project, we define what you hope to achieve. We analyze your business problems and your performance and scalability requirements. Answering these questions helps us set realistic expectations for the project.


Assess your legacy application

Next, we take a close look at your existing application complexity and tech stack. This assessment gives you a better understanding of what needs to be done during the modernization process.


Select modernization approach

Implementation is where actual coding takes place according to product specifications. Our engineers choose suitable programming language, frameworks, and decide whether your desktop app needs modularity or plugin system. Based on the chosen tech stack, our team picks software development strategy and methodology and creates a detailed roadmap for every stage of implementation.


Begin the modernization process

The application modernization process involves implementing your chosen approach, which ranges from rewriting code to migrating data. Depending on the size and complexity of your legacy app, the process starts with the discovery phase or moves straight to modernization.


Test and deploy new application

After completing the modernization process, we thoroughly test your new application before an official launch. This ensures everything works as intended, and users won’t encounter glitches once it’s live.

Why Blackthorn Vision

Dedication to client’s success

At BV, you’ll find a partner who cares about your success as much as you do. Our team becomes an extension of yours, working tirelessly to bring your vision to life. We don’t just write code – we think ahead, help to move faster, and prevent complications. We go above and beyond to ensure our clients are happy with the final results of their projects. That’s why our customer satisfaction score reaches 95% with an average engagement of 5+ years.

Proven expertise

We’ve been building up tech expertise since 2009. By following industry standards, we help businesses get the most out of software development services. Although we’ve earned the Microsoft Partnership, our expertise goes far beyond the Microsoft stack and covers diverse cutting-edge technologies. So, when you work with us, you can be confident that you are working with some of the best minds in the industry and natural problem-solvers. Our drive to share and multiply knowledge guides everything we do and lets us deliver top-notch solutions.

Exceptional talents

Our rigorous hiring process adheres to extremely high recruitment standards without any compromises. We evaluate dozens of engineers to fill senior positions, while many talented junior developers come from our Academy program with a 5% acceptance rate. Most of our engineers major or double major in math and computer science, and our management team has in-depth industry knowledge and experience. The pursuit of excellence earned us a reputation as a reliable employer that keeps retention at 87%, with 1/5 of employees engaged for 7+ years.

Strong corporate culture

We are passionate about what we do and take pride in our work. Our corporate culture is built around open communication, creative thinking, and collaboration. Day by day we maintain a thriving environment where everyone can openly share concerns, give regular updates, and exchange constructive feedback. As Ukrainians, we share a European mindset and sync with our clients' values at all times.