Lean Apps has been rated a Top App Development Agency on Clutch and App Futura. We help both startups and enterprise companie ... s build successful mobile and web apps using Design Sprint. Design Sprint helps us find multiple solutions to problem at hand very fast. Services we offer: UX and Design Services App and Web Development Our tech stack is: Frontend 1. Angular 2. React 3. React Native (iOS and Android) Backend 1. Java 2. Django Cloud and DevOps 1. AWS 2. Jenkins 3. Sonarqube 4. Docker Data Analytics 1. ELK 2. Splunk read more