Marcin G.

I’m a Senior iOS Developer with over 10 years of experience building high-performance apps, including marketplace solutions, analytics SDKs, and e-commerce platforms. I have a strong background in leading development projects from scratch, mentoring teams, and delivering scalable, user-focused applications. • Proficient in Swift, RxSwift, and async/await • Extensive experience with tools like Firebase, CoreData, and PostgreSQL • Led the development of sustainable shopping apps and internal SDKs • Worked on large-scale apps such as dating platforms and electronic flight books • Strong skills in app architecture, code reviews, and integrating third-party APIs • Dedicated to delivering top-quality solutions with regular communication Let’s collaborate to bring your vision to life, whether you’re building a new app or improving an existing one!