Steve Roseik
Mobile App Developer and Full-Stack Engineer
Crafting exceptional, scalable applications with Flutter and NestJS. I combine user-centric design with clean architecture to deliver production-grade performance, stability, and measurable business results.
Areas of Expertise
Specialized in building scalable, high-performance applications with modern technologies and best practices.
Flutter Mobile Development
Production-ready cross-platform apps (Android/iOS) with 30% performance improvements and 99% uptime
Backend & APIs
Scalable backends with NestJS, GraphQL, REST, Socket.IO, and MySQL. Reduced latency by 35% through optimization
Full-Stack Architecture
End-to-end systems from requirements to deployment. Owned architecture, implementation, testing, and maintenance
Real-Time Systems
Complex real-time systems, game servers, and competitive multiplayer mechanics with optimized room allocation
Team Leadership
Team lead managing developers. Increased productivity by 20% through mentorship and improved code quality by 10%
DevOps & Monitoring
CI/CD pipelines, monitoring systems, and cloud deployment (DigitalOcean) ensuring production reliability
Projects
A showcase of my recent work in Flutter mobile apps, NestJS backends, GraphQL APIs, and full-stack solutions delivering measurable performance improvements.
Let's Work Together
Have a project in mind? Let's discuss how we can bring your ideas to life.
Ready to start a project or have a question? Use the secure contact form to reach me directly.
Prefer email? Reach out directly at
contact@steveroseik.com