Festus Olusegun is a product-focused Software Engineer and Google Developer Expert in Flutter & Dart with 7 years of experience building polished mobile experiences and scalable backends using JavaScript/TypeScript. He helps startups and product teams ship MVPs and reliable infrastructure, owning features from UX details to release processes and CI/CD pipelines. His hands-on work includes porting a C++ on-device vector search into Flutter for fast offline eBook search and building native apps for custom Android OS hardware—evidence of his ability to bridge low-level performance work with cross-platform UI. An active contributor to Flutter UI projects, he consistently refactors and hardens codebases while shipping dark-theme and accessibility-minded fixes. Recently he’s been prototyping agentic AI demos that combine reasoning and tool use to enhance mobile workflows. Based in Cotonou, Benin, he pairs a startup mindset with a taste for movies, travel, and admittedly poor gaming skills.
7 years of coding experience
4 years of employment as a software developer
Bachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at Ecole Superieure Sainte Felicite University
Contributions:10 reviews, 182 commits, 75 PRs in 2 years 11 months
Contributions summary:Festus primarily focused on developing the UI for the Flutter ebook app. Their contributions include implementing the home, explore, profile, and details screens. The code changes reveal the creation of UI elements such as app bars, search bars, book cards, and download/read buttons using Flutter widgets and libraries.
Contributions:29 commits, 15 PRs, 24 pushes in 1 year 1 month
Contributions summary:Festus primarily focused on front-end development within the Flutter travel app project. Their contributions included refactoring UI elements, specifically changing `RaisedButton` to `FloatingActionButton` in the details page and adding new UI components. The user also added screenshots and performed code cleanup, indicating a focus on improving the application's visual presentation and maintainability. Furthermore, the user refactored home.dart, demonstrating improvements in the UI.
representationtravel-apptraveldartflutter
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.
Request Free Trial
Festus Olusegun - Software Engineer at Stealth Startup