Mobile App Rescue and Backend Rewrite

A US client came to us with a mobile app that had been built with AI and never felt right: the interface was rough and the backend buckled under real use. We revamped the UI, rewrote the entire backend in NestJS with Redis caching and a proper optimisation pass, and the app is now being prepared for release.

Key Features

Full UI revamp of the existing React Native app, screen by screen
Backend rewritten from the ground up in NestJS, replacing the AI-generated codebase
Redis caching and queueing for the endpoints that carried the most load
Query and payload optimisation that cut response times across the app
A data model and API contract the mobile client could finally rely on
Release preparation: builds, store assets and pre-launch QA

Tech Stack

React NativeTypeScriptNestJSNode.jsRedisPostgreSQL

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