Your codebase isn’t dead. It just needs surgery.
We migrate aging frameworks, rescue troubled projects, and modernize architectures — systematically, without shutting down your business while we work. From AngularJS to Angular, jQuery to React, or whatever legacy stack is holding you back.
Get a Modernization AssessmentSigns your codebase needs modernization
If more than two of these resonate, your codebase isn’t aging gracefully — it’s accumulating risk. The longer you wait, the harder and more expensive the fix becomes.
Developers keep leaving
Nobody wants to work on a legacy codebase. Your best engineers leave for modern stacks, and hiring replacements who know your framework gets harder every year.
Simple changes take weeks
What should be a two-day feature turns into a two-week project because of brittle dependencies, missing tests, and code nobody fully understands anymore.
Security patches are overdue
Your framework is out of long-term support. Security patches stopped months or years ago. You’re running in production with known vulnerabilities.
Performance is degrading
Load times are getting worse. Users are complaining. The app feels sluggish compared to modern alternatives, and optimizing within the current architecture hits diminishing returns.
Third-party integrations are breaking
APIs you depend on are dropping support for old protocols. Libraries you rely on haven’t been updated in years. The ecosystem is moving on without you.
You’re afraid to deploy
Every release feels like a gamble. No automated tests, no CI/CD, manual deployments. The team ships less because shipping is risky.
Modernization services
Every modernization is different. Sometimes it’s a framework migration. Sometimes it’s a complete architectural overhaul. Here’s what we do most often.
Framework Migrations
AngularJS to Angular. jQuery to React. Old Angular to latest Angular. We handle the full migration — routing, state management, component architecture, and everything in between.
Architecture Overhauls
Monolith to modular. Spaghetti code to clean architecture. We restructure your application’s internals so it’s maintainable, testable, and ready for the next five years.
Performance Optimization
Slow load times, memory leaks, excessive re-renders. We profile, identify bottlenecks, and implement targeted fixes that make a measurable difference.
Technical Debt Reduction
Refactoring sprawling codebases into something your team can actually work with. Removing dead code, consolidating duplications, introducing patterns that prevent future debt.
Test Suite Implementation
No tests? We add them — strategically. Starting with critical paths and high-risk areas, building a safety net that lets you deploy with confidence.
CI/CD & DevOps Modernization
Automated builds, test pipelines, staged deployments. We set up the infrastructure that turns “deployment day” from a stressful event into a non-event.
Incremental, not catastrophic
We never do big-bang rewrites. Every modernization follows a phased approach where the application stays live and functional throughout. Your business doesn’t stop while we work.
Strangler Fig Pattern
We build new modules alongside old ones, gradually routing traffic to the modern code. The legacy system shrinks organically until it can be safely removed.
Feature Parity First
Before adding anything new, we ensure the modernized system does everything the old one did. No regressions, no “we’ll add that later” on critical functionality.
Measurable Progress
We define metrics upfront — lines migrated, test coverage, load times, deployment frequency. You see concrete numbers improving week over week, not vague status updates.
Zero Downtime
Your application stays live throughout the migration. We use feature flags, parallel running, and staged rollouts to ensure users never notice the surgery happening underneath.
How a modernization unfolds
Every legacy codebase is different, but the approach is consistent. We assess, plan, execute in phases, and validate at every step.
Codebase Audit
1–2 weeksWe dive deep into your existing codebase — architecture, dependencies, test coverage, performance profiles, deployment setup. We identify every risk, every shortcut, every ticking time bomb. You get a clear, honest picture of where things stand.
Migration Roadmap
1 weekBased on the audit, we create a phased plan with clear milestones. Which modules migrate first? What can run in parallel? Where are the dependencies that dictate ordering? You’ll know exactly what happens, when, and why.
Phased Execution
4–16 weeksModule by module, we migrate the application. Each phase is independently deployable and testable. We run old and new code in parallel, validate feature parity, and only cut over when everything checks out. Bi-weekly demos keep you informed.
Validation & Handover
1–2 weeksFull regression testing, performance benchmarking against the old system, and documentation of the new architecture. We make sure your team understands the modernized codebase and can maintain it independently.
Not ready for a full migration? Start with a diagnostic.
Our Angular Consulting packages give you a clear picture of where your codebase stands and a concrete roadmap for improvement — without committing to a full modernization engagement.
Performance Audit
We profile your application, identify the biggest performance bottlenecks, and deliver a prioritized list of fixes with estimated impact.
- Full performance profiling
- Bottleneck identification
- Prioritized fix recommendations
Migration Roadmap
A comprehensive analysis of your current codebase with a detailed, phased plan for modernization. Know exactly what it takes before committing.
- Codebase architecture review
- Dependency and risk analysis
- Phased migration plan
Architecture Review
Is your architecture holding you back? We assess your current structure and recommend changes that improve maintainability, scalability, and team velocity.
- Architecture assessment
- Scalability analysis
- Improvement recommendations
Frequently asked questions
Almost always migrate. Rewrites sound clean but they’re risky, expensive, and slow. You lose years of battle-tested business logic and edge-case handling. We strongly prefer incremental migration — it’s safer, cheaper, and you see results sooner.
No. We use techniques like the strangler fig pattern, feature flags, and parallel running to ensure the application stays fully operational throughout. Your users won’t notice anything — except that things start getting faster.
We start by establishing a safety net — automated tests for critical paths, even if none exist today. Every migrated module goes through feature parity validation before cutover. We run old and new code in parallel and only switch when both produce identical results.
It’s normal, and no, it’s not a blocker. Our audit phase includes reverse-engineering the existing architecture and documenting it. By the end of the project, you’ll have better documentation than you’ve ever had.
Absolutely — and we prefer it. Your team knows the business domain and the historical context. We bring the migration expertise. The best results come from combining both. We can lead the migration while your team continues feature work, or we can work side by side.
Legacy code keeping you up at night? Let's fix that.
Tell us about your codebase. We'll give you an honest assessment of what it needs and what it would take — even if the answer is 'it's not as bad as you think.'
Get a Free Assessment