Modernize your legacy web app in 6 weeks. Rewrites, migrations, and performance overhauls.
soapnoteai.com
varstatt.com/discovery
tenderpilot.ai
contentpal.app
fidder.app
mycointainer.com
Most legacy apps don't need a full software rewrite. They need targeted code modernization — replacing the parts that slow you down while keeping the parts that work. The difference between a successful rewrite and a failed one is knowing which is which.
Your team avoids touching core features because the code is fragile. Onboarding new developers takes weeks. Deployments involve crossed fingers. That's when code modernization pays for itself.
A full web app rebuild that goes dark for months is how projects die. I migrate your app feature-by-feature, keeping the existing version live throughout. Each migrated piece ships to production independently.
Framework upgrades, database migrations, build system modernization, performance bottleneck elimination — each with before/after benchmarks so progress is measurable, not promised.
Every migration decision optimizes for the next developer's experience. Clear patterns, consistent conventions, zero tribal knowledge requirements. The result is a codebase your team can actually work in — not a different flavor of legacy code written by someone else.
Teams stuck on an aging codebase that slows down every feature. Products where the original developer left and nobody fully understands the architecture. Apps that work but can't scale, can't hire for, or can't deploy safely.
A structured 6-week process to bring your app up to date without breaking what works.
I review your codebase, identify technical debt, and create a prioritized modernization roadmap. You know exactly what changes and why.
Core infrastructure first: framework upgrade, build system, deployment pipeline. The boring stuff that makes everything else possible.
Migrate or rewrite features incrementally. Each one is tested and deployed before moving to the next. No big-bang rewrites.
Performance benchmarks, regression testing, and documentation. Your modernized app runs faster and is easier to maintain.
6-week app modernization at a fixed price. Incremental delivery, no big-bang risk.
— $997 × 6 weekly installments
Rewrite, migrate, or modernize your existing app. Feature-by-feature delivery so your app stays live throughout.
When to rewrite, when to refactor, and how to modernize without breaking what works.
Overengineering and technical debt compound silently. These posts cover the hidden costs of living with legacy code — and the traps to avoid when you finally decide to fix it.
A modernized codebase should be easier to change next time, not just different. These principles guide every migration decision — from choosing what to keep to establishing conventions that stick.
Incremental delivery is what separates a successful migration from a stalled rewrite. Continuous flow and quality gates keep the app live while the internals change underneath.
Useful during any code modernization effort: compare configs, API responses, or code snippets side-by-side to verify migration accuracy.
Working with Jurij is an absolute joy, consistently exceeds expectations.
Janis Ozolins
Content Creator
Consistently delivered quality code in great time, very hard working & precise.
Bartosz Poźniak
CEO @ MyCointainer
The kind of engineer that every company on the planet would be lucky to have.
Hosam Mazawi
COO @ LemonUnit
Sole proprietorship headquarted in Rzeszów, Poland. VAT ID: PL8133854722.