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Hi, I’m Jan Duchnowski, a Flutter and mobile-focused developer with 4+ years of experience delivering scalable apps built on clean architecture and SOLID principles. I enjoy creating robust, maintainable code and collaborating with cross-functional teams to ship high-quality features. I collaborate with designers and engineers to craft intuitive UIs, implement CI/CD pipelines, and raise the bar for code quality. I’m always eager to learn new technologies and share knowledge through code reviews.…Hi, I’m Jan Duchnowski, a Flutter and mobile-focused developer with 4+ years of experience delivering scalable apps built on clean architecture and SOLID principles. I enjoy creating robust, maintainable code and collaborating with cross-functional teams to ship high-quality features. I collaborate with designers and engineers to craft intuitive UIs, implement CI/CD pipelines, and raise the bar for code quality. I’m always eager to learn new technologies and share knowledge through code reviews.

Jan Duchnowski

Full Stack Developer, Web Developer, App Developer, +2

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Hi, I’m Jan Duchnowski, a Flutter and mobile-focused developer with 4+ years of experience delivering scalable apps built on clean architecture and SOLID principles. I enjoy creating robust, maintainable code and collaborating with cross-functional teams to ship high-quality features. I collaborate with designers and engineers to craft intuitive UIs, implement CI/CD pipelines, and raise the bar for code quality. I’m always eager to learn new technologies and share knowledge through code reviews.…Hi, I’m Jan Duchnowski, a Flutter and mobile-focused developer with 4+ years of experience delivering scalable apps built on clean architecture and SOLID principles. I enjoy creating robust, maintainable code and collaborating with cross-functional teams to ship high-quality features. I collaborate with designers and engineers to craft intuitive UIs, implement CI/CD pipelines, and raise the bar for code quality. I’m always eager to learn new technologies and share knowledge through code reviews.

Available to hire

Hi, I’m Jan Duchnowski, a Flutter and mobile-focused developer with 4+ years of experience delivering scalable apps built on clean architecture and SOLID principles. I enjoy creating robust, maintainable code and collaborating with cross-functional teams to ship high-quality features.

I collaborate with designers and engineers to craft intuitive UIs, implement CI/CD pipelines, and raise the bar for code quality. I’m always eager to learn new technologies and share knowledge through code reviews.

Skills

Experience Level

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Polish

Fluent

English

Advanced

German

Beginner

Work Experience

Mobile Developer at Devideal, Gdansk

April 1, 2025 - Present

Co-creation of mobile applications in Flutter using Riverpod (State Management); close collaboration with a team of graphic designers and programmers to design intuitive user interfaces. Active participation in code reviews and sharing knowledge with the team.

Flutter Developer at Capisoft, Amsterdam

December 1, 2024 - October 17, 2025

Created and developed a mobile application from scratch, achieving over 1M downloads. Implemented an intuitive interface according to Figma designs. Integrated REST API and Web3. Push notifications implemented. Published and updated apps on Google Play and App Store. Developed unit and integration tests.

Junior Flutter Developer at Devideal, Gdansk

June 1, 2022 - October 17, 2025

Created responsive UI components, prepared and optimized for reuse. Implemented state management using Redux.