Flutter Developer

Provider of advanced mobile banking solutions for credit unions and community banks. Developed and integrated a video stories feature using the Vimeo API, introducing a new user engagement format in the mobile app. Implemented photo upload and editing for user avatars, applying advanced compression techniques to improve upload performance and image quality. Improved code modularity and maintainability by introducing a monorepo architecture and dependency injection (Provider, GetIt), reducing duplication and simplifying cross-team integrations. Established a comprehensive testing approach with unit and widget tests, achieving 85% code coverage and improving development reliability.

European leader in support and development of Open Source products. Developed end-to-end message encryption, boosting user privacy and security through confidential communication features. Optimized real-time chat performance by improving WebSocket handling, reducing message delivery latency by 30% using efficient data compression and transmission techniques. Utilized Dart isolates to offload heavy computations, improving app performance and responsiveness during complex operations such as data processing, image manipulation, and encryption. Designed and implemented light and dark themes, enhancing user experience by providing personalized visual options, which led to a 20% increase in user retention and higher engagement during evening hours.

Educational service and community for joint language learning. Developed complex animations, boosting user interaction and engagement with a more dynamic and visually appealing app interface, enhancing overall user satisfaction and retention.

Performed modeling of physical processes, conducted product quality control and experiment planning, optimizing the energy characteristics of electrodeless optical radiation sources to meet high-quality standards.