Koçtaş, one of the leading names in home improvement retailing, is in front of us with a new mobile application. As a free platform that brings together masters who need masters, Ustabilir provides you with the right to find the master you are looking for for many jobs such as plumbing, electricity, paint-whitewashing, montage-repair and all renovations.
Crafting native iOS and Android apps with Swift and Kotlin, plus cross-platform products in React Native. From first wireframe to App Store release — clean architecture, smooth 60fps UI and offline-first data flows.
Designing end-to-end systems with Java, Spring Boot and modern JavaScript. REST and GraphQL APIs, scalable microservices, relational and NoSQL databases, and responsive frontends — shipped with CI/CD and production monitoring in mind.
Building intelligent features with LLMs — from prompt engineering and RAG pipelines to autonomous agents. Integrating models like Claude and GPT into real products, with vector search, tool use and evaluation loops that actually ship.