Yohannis Abay Belihun

Flutter Developer at Ashewa Technologies

Developed cross-platform mobile apps using Flutter for Android and iOS. Implemented advanced state management with Riverpod, GetX, and Provider. Integrated REST & GraphQL APIs, push notifications, and Firebase services. Built custom widgets, animations, and responsive UI for a seamless user experience. Optimized app performance, memory usage, and load times. Participated in CI/CD pipelines and automated deployment to the Google Play Store. Collaborated with backend and design teams to deliver scalable and maintainable app architecture.

Flutter Developer at Shewaber Reward

Built and maintained cross-platform Flutter apps for Android and iOS. Managed Play Store deployment including CI/CD pipelines and app signing. Integrated Google Maps, push notifications, and GraphQL APIs. Implemented advanced state management with Riverpod, Provider, and GoRouter. Optimized app performance and memory usage. Wrote unit, widget, and integration tests. Worked with asynchronous programming, WebSockets, and real-time features.

Flutter Developer at Ashara Technology

Developed cross-platform mobile and desktop apps using Flutter. Implemented state management with BLoC and Provider. Used asynchronous programming, streams, and WebSockets for real-time functionality. Integrated third‑party SDKs and APIs for analytics, payments, and maps. Optimized performance and responsiveness, fixed memory leaks and slow rendering. Participated in CI/CD pipelines, code reviews, and release management. Built reusable widgets and animations (Hero, Lottie, Rive).

Software Developer Intern at Jimma AI Center

Developed EchoMart, a voice-based platform for visually impaired users. Implemented ML models using TensorFlow and PyTorch for voice interaction. Built Flutter UI and connected it with backend ML APIs. Optimized accessibility features (voice commands, screen readers) and assisted in debugging, testing, and deploying apps to internal users.

AI Research Assistant & Flutter Developer at Jimma AI Center

Developed AI-driven accessibility tools and mobile apps. Built physician connector app using Flutter with Firebase backend. Conducted research experiments and implemented ML models in mobile applications. Integrated voice-based features and real-time data synchronization. Maintained app performance, testing, and deployment pipelines.

Full-Stack & Flutter Developer at Debo Engineering

Designed and developed full-stack web applications using React and Node.js. Delivered multiple mobile projects using Flutter for cross-platform deployment. Integrated AI algorithms to enhance search and recommendation features. Built scalable Flutter architectures with Provider and BLoC. Worked on real-time features, push notifications, and background services. Collaborated with remote teams, conducted code reviews, and maintained documentation.

Full-Stack & Flutter Developer & Remote Flutter Developer at Debo Engineering

Designed and developed full-stack web apps using React and Node.js; delivered multiple mobile projects using Flutter for cross-platform deployment; integrated AI algorithms to enhance search and recommendations; built scalable Flutter architectures with Provider and BLoC; implemented real-time features, push notifications, and background services; collaborated with remote teams and conducted code reviews.