Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am a Senior Mobile Developer with extensive experience delivering secure, high-performance fintech applications blending Android and cross-platform expertise. I specialize in API integration and agile leadership to ensure rapid delivery and positive user experiences. I have a strong background in both mobile and web development, skilled in Flutter, Kotlin, ReactJS, and various backend technologies. Passionate about creating scalable, intuitive user interfaces and optimizing app performance, I collaborate effectively with design and development teams to build top-quality products.…I am a Senior Mobile Developer with extensive experience delivering secure, high-performance fintech applications blending Android and cross-platform expertise. I specialize in API integration and agile leadership to ensure rapid delivery and positive user experiences. I have a strong background in both mobile and web development, skilled in Flutter, Kotlin, ReactJS, and various backend technologies. Passionate about creating scalable, intuitive user interfaces and optimizing app performance, I collaborate effectively with design and development teams to build top-quality products.

Biruk Tsegaye

App Developer, Web Developer, Developer, +1





I am a Senior Mobile Developer with extensive experience delivering secure, high-performance fintech applications blending Android and cross-platform expertise. I specialize in API integration and agile leadership to ensure rapid delivery and positive user experiences. I have a strong background in both mobile and web development, skilled in Flutter, Kotlin, ReactJS, and various backend technologies. Passionate about creating scalable, intuitive user interfaces and optimizing app performance, I collaborate effectively with design and development teams to build top-quality products.…I am a Senior Mobile Developer with extensive experience delivering secure, high-performance fintech applications blending Android and cross-platform expertise. I specialize in API integration and agile leadership to ensure rapid delivery and positive user experiences. I have a strong background in both mobile and web development, skilled in Flutter, Kotlin, ReactJS, and various backend technologies. Passionate about creating scalable, intuitive user interfaces and optimizing app performance, I collaborate effectively with design and development teams to build top-quality products.

Available to hire

I am a Senior Mobile Developer with extensive experience delivering secure, high-performance fintech applications blending Android and cross-platform expertise. I specialize in API integration and agile leadership to ensure rapid delivery and positive user experiences.
I have a strong background in both mobile and web development, skilled in Flutter, Kotlin, ReactJS, and various backend technologies. Passionate about creating scalable, intuitive user interfaces and optimizing app performance, I collaborate effectively with design and development teams to build top-quality products.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

German

Intermediate

Work Experience

Senior Mobile Developer at FINBIT

January 1, 2021 - Present

Engineered secure, cross-platform fintech applications in Flutter achieving 100% UI/UX parity for Android and iOS. Integrated Firebase, Twilio, Google SDK, and financial APIs increasing feature adoption by 25%. Led code reviews and architecture discussions maintaining modular clean codebases for faster releases. Collaborated with design teams on scalable UIs using Jetpack Compose and Flutter boosting usability scores. Optimized memory usage and build times reducing app startup by 40%. Managed the end-to-end development lifecycle enabling rapid delivery and positive user feedback within the first week.

Frontend Engineer at FINBIT

January 1, 2021 - August 12, 2025

Developed Finbit’s web portal using ReactJS ensuring seamless backend integration and improved data processing efficiency. Applied scalable architecture patterns enhancing maintainability and reducing rollout time by 20%. Converted UX/UI designs into interactive React components increasing user satisfaction. Managed state using React Hooks improving data flow and consistency. Implemented SOLID principles ensuring scalable and maintainable code. Launched finbit.co website which increased user engagement by 35% within three months.

Android Developer at LIFT -BV

January 1, 2020 - August 12, 2025

Designed and developed native Android apps in Java and Kotlin increasing customer satisfaction ratings by 20%. Developed intuitive UI/UX features integrated backend services and implemented responsive XML layouts. Built modular MVVM/Clean Architecture codebases reducing maintenance effort by 25%. Diagnosed production issues with Android Profiler and Crashlytics cutting crash rates by 40%.