- #fintech
- #rewrite
- #web-and-mobile
Rewritten live, without losing a user
Inlock's crypto-lending platform had outgrown its foundations. We re-architected it on modern technologies and executed a full rewrite — new UX, web and mobile — while the existing service kept running for its users.
Challenge
Replace a live financial platform's aging codebase without pausing the product: re-think the architecture, redesign the UX from research to validation, and ship a new web and mobile experience that existing users could step into without retraining — all while the old system kept serving real money movements every day.
- Expertise
- Product architecture, UI / UX design, Development
- Platforms
- Web, iOS, Android
- Engagement
- Architecture & roadmap, then full delivery
- Deliverables
- System architecture, design system, web & mobile apps
- Stack
- Angular, OpenAPI
Solution
Architecture before code
We started with a full technical due diligence of the legacy system, then designed the target architecture and a migration roadmap the client's own team could follow — sequenced so the platform never went dark.
One design system, two platforms
The new UX was researched, prototyped, and validated with existing users before a line of production code. A shared design system keeps web and mobile visually and behaviorally in sync.
Parallel-run migration
Old and new systems ran side by side with staged cutovers per feature, so real transactions were never at risk.
Handover that sticks
We finished with documentation, a development starter kit, and pairing sessions — the in-house team now ships on the new stack without us. That was the point.
