Freelance Android Developer - Rafal Niski

I'm a freelance Lead Android Engineer with 12+ years of professional experience building production-ready applications that serve millions of users worldwide. Specializing in Kotlin, Clean Architecture, Jetpack Compose, and real-time systems, I bring enterprise-level expertise with the flexibility and focus that comes from working independently.

My track record includes leading architecture decisions for large-scale applications at companies like Volvo Cars and TravelBank, where I've built apps requiring high availability, performance optimization, and seamless user experiences. With 50+ apps published on the Google Play Store, I've worked across various industries including automotive, fintech, travel, and consumer applications.

What sets me apart is my ability to bridge the gap between technical excellence and business objectives. I don't just write code - I architect solutions that scale, perform, and deliver measurable business value. My approach combines clean, maintainable code with clear communication, regular updates, and comprehensive documentation that helps teams succeed long-term.

Services include:• Complete Android app development from concept to Play Store release• Architecture consultation and code reviews• Feature development and app redesigns• Performance optimization and scaling• Integration with backend services, payment systems, and hardware• Migration to modern Android technologies (Kotlin, Jetpack Compose)

I'm available for remote projects in CET and EST timezones, with a response time within 24 hours. Whether you need a complete app built from scratch, architectural guidance, or help scaling an existing application, I'm here to help you build better Android applications.