Legacy App Modernization
Improve your legacy system without compromising business continuity.
Relying on a legacy system is like driving a car with a hole in the tank – it will drain your time, money, and patience until you finally fix or replace it.
But the decision to upgrade is not always so easy. A complete rebuild seems risky, and a complex, outdated system too fragile to entrust to an outside vendor. But trust us, whatever you have, we've probably handled worse.
With our full-stack expertise, software delivery excellence framework, strong engineering standards, and robust project governance, we’ll upgrade your system seamlessly, without disrupting your business operations.
Working together, we'll audit your solution to determine the scope of changes that'll benefit you the most within your time and budget.
Encapsulate
Modifies the integration layer without changing the core logic.
Enables the reuse of existing functionality in modern systems; supports gradual modernization
Expose a legacy Java API through an Express.js REST API for use in a React frontend
Rehost
Migrates the system to a new infrastructure without altering code.
Delivers quick scalability and reliability improvements with minimal disruption
Move a Node.js app from on-premises to Amazon EC2 without changing any code
Replatform
Applies light code or configuration changes to adapt to a new platform.
Unlocks CI/CD, improves scalability, and minimizes development effort while setting the stage for future upgrades
Dockerize an Express.js backend and deploy it to AWS Fargate or Vercel
Refactor
Restructures internal code without changing system behavior.
Enhances maintainability, testability, and readability; reduces technical debt
Refactor a legacy callback-based Node.js app to use async/await and modular architecture
Rearchitect
Redesigns the app's architecture to meet your future needs better.
Improves modularity and scalability; aligns the system with evolving business demands
Decompose a Node.js monolith into a modular monolith or microservices using NX and API Gateway
Rebuild
Completely rewrites the application from scratch.
Provides a fresh start with a modern codebase, better performance, and improved user experience
Rebuild a jQuery-based app using React, TypeScript, and Tailwind CSS
Replace
Substitutes existing functionality with an entirely new system.
Aligns technology with current business goals; may lower long-term costs, but requires retraining users
Replace a custom-built authentication system with Clerk, using its built-in UI and admin features
What problems we solve
Software agencies can promise anything – 'We'll do this, we'll do that, we'll bring you a star from the sky.' But the truth is, what drives you to look for a software partner are the real problems haunting your business. And what helps you choose the right vendor is their ability to actually solve them.
Slow Feature Delivery
Introducing new features is difficult and time-consuming due to the app's complexity.
Fear of Overhaul
Your legacy system is holding back business growth, but a complete overhaul seems too risky.
Scaling Issues
Your system lacks the scalability to handle increased demand, resulting in performance issues during peak usage.
Outdated Tech
The application you use depends on outdated technologies that are no longer supported, making maintenance increasingly difficult and expensive.
Poor Integration
Your software lacks integration with modern tools, platforms, and APIs, which limits your ability to innovate and automate.
Security Risks
Security vulnerabilities in your old codebase put your business and customer data at risk, but patching is slow and inconsistent.
Software development isn’t just about coding, it's about delivering business value. Knowing this, we base our work on the Delivery Excellence approach to create technologically advanced and business-effective apps.
Continuous Delivery
Short development cycles and frequent deployment to ensure quality and faster return on investment.
Quality
Automated testing and CI/DC for quick bug fixing, reduced rework, and velocity of deployment.
Time-to-market
Fast delivery helps you launch your product sooner and seize business opportunities.
Security
Robust protection, access control, and Git security at every stage to keep your data safe and trust intact.
Business-oriented decisions
Tech and implementation decisions are geared toward business value and revenue.
Market-fit
Features of your app are consistent with your business goals and market context.
Scalability
High-performing, modular systems, ready to change and grow as your business evolves.
Maintainability
We document all engineering decisions in ADRs to maintain the continuity of your business and product.
Project governance
Maintaining strict control over project budget, scope, timeline, and risks to ensure success of your app
Predictability
You stay in control and avoid late-stage chaos thanks to Prince2Agile methodology.
Client centricity
Gain a team that is 100% committed to delivering your objectives because it cares about your success as its own.
Communication
Clear statuses, defined action items, risk mitigation plans, and direct access to engineers when you need them.
In terms of project cooperation, we are flexible, but we do believe in rules. These rules and software delivery excellence framework that let us do our work best.
Feature flags let us deliver fast and adapt instantly
Modular monoliths to scale smartly without overengineering
Key decisions are documented and never lost
Trunk-Based Development keeps teams aligned and code stable
Automated testing at every level keeps the product stable and predictable
Rigorous project governance with PRINCE2 Agile
Designing systems to be deployed at any time
Security starts with secret managemen
Blue-green deployments ensure zero-downtime updates
Our Way of Work
Brainhub's approach to managing projects ensures efficient delivery, adaptability, and strong collaboration to meet business goals, combining structured processes with the flexibility to adapt to change:
“They have been proactive and transparent in project management, have often provided updates, communicated in detail, and delivered earlier than expected.”
Hybrid Methodology
Leveraging PRINCE2 Agile for a balance of flexibility, governance, and control to deliver high-value outcomes on time and within budget.
Iterative Development
Regular sprints deliver working increments, enabling early feedback and course adjustments.
Clear Communication
A tailored communication plan includes daily agile meetings, milestone reviews, and high-level status updates for transparency and alignment.
Resource Optimization
Dedicated, cross-functional teams with clearly defined roles and scalable capacity to match project phases.
Proactive Change Management
A structured process for managing scope changes, prioritizing business needs, and maintaining control over the project.
Risk Management
Continuous risk assessment and mitigation through agile practices and governance frameworks.
Milestone-Driven Progress
Defined timelines and regular reviews ensure focus, momentum, and alignment with strategic objectives.
What our Clients say about us

Probably any company would benefit from working with Brainhub, but if you have more complex issues like dealing with technical debt or have some big challenges you want to tackle but don’t really know how, I would definitely think of Brainhub for that.

When we contacted Brainhub, we basically wanted to have the best people on board within the shortest time. So Brainhub was the best partner for us. We don't treat Brainhub's people as contractors but as other team members.
They’ve had a significant impact on how we build our applications by suggesting proactive changes, which we consider valuable.

I haven't found more skilled resources than Brainhub's team. Every Brainhub teammate I've worked with has greatly contributed to our project. I've never worked with a teammate from Brainhub that doesn't meet our performance requirements.
Brainhub is a boutique firm and skilled organization. The team has a rigorous hiring process, and they're very selective.
Interested in cooperating?
Let’s talk about your project!

Tell us about your project
I'd be happy to discuss your project and the support we can provide!
Frequently Asked Questions
What types of software development services do you offer?
Yes! We provide ongoing maintenance, updates, and support to ensure your software runs smoothly. Whether it’s bug fixes, feature enhancements, or scalability improvements, our team is here to help long after deployment.
How long does it take to develop a custom software solution?
Yes! We provide ongoing maintenance, updates, and support to ensure your software runs smoothly. Whether it’s bug fixes, feature enhancements, or scalability improvements, our team is here to help long after deployment.
What industries do you specialize in?
Yes! We provide ongoing maintenance, updates, and support to ensure your software runs smoothly. Whether it’s bug fixes, feature enhancements, or scalability improvements, our team is here to help long after deployment.
How much does a software development project cost?
Yes! We provide ongoing maintenance, updates, and support to ensure your software runs smoothly. Whether it’s bug fixes, feature enhancements, or scalability improvements, our team is here to help long after deployment.
Do you offer ongoing maintenance and support after development?
Yes! We provide ongoing maintenance, updates, and support to ensure your software runs smoothly. Whether it’s bug fixes, feature enhancements, or scalability improvements, our team is here to help long after deployment.
Can you integrate with our existing systems?
Yes! We provide ongoing maintenance, updates, and support to ensure your software runs smoothly. Whether it’s bug fixes, feature enhancements, or scalability improvements, our team is here to help long after deployment.
What technologies do you use for development?
Yes! We provide ongoing maintenance, updates, and support to ensure your software runs smoothly. Whether it’s bug fixes, feature enhancements, or scalability improvements, our team is here to help long after deployment.