Szymon

@szymoncyber

technology

Colombia

English

About me

I’m an experienced Mobile App Developer specializing in React Native, Flutter, Android & iOS development. I build scalable, production-ready applications with clean architecture, REST APIs, Node.js/NestJS, PostgreSQL, MongoDB, Firebase, real-time systems, WebSockets, Maps, secure payments, AI/LLM integrations, and automation. I also handle CI/CD, Docker, AWS, DigitalOcean, app performance, testing, and App Store/Google Play deployment. From MVPs to complex business platforms, I focus on reliable engineering, smooth UX, scalability, and long-term maintainability.... Read more

Skills