Djordje Stanisic

Developing and launching Flutter mobile and web applications (Android, iOS, Web), contributing across architecture, feature development, integrations, deployments, and ongoing improvements. Worked on products including Povratak na Selo (6,000+ users), WriteReal (AI text humanizer), and PrayBefore (live prayer and Bible app). Implemented RevenueCat subscriptions, Firebase Analytics and Crashlytics, Google Sign-In and Apple Sign-In, and integrated OpenAI API and Gemini API for AI-powered features. Supported market and competitor research, and contributed to marketing/distribution activities such as ASO, social media content, and user acquisition.

Developed a white-label fintech Flutter mobile application from the ground up as part of a 10-member team for a Swiss banking client. Integrated Flutter UI with backend services and built reusable components and custom libraries supporting core functionality, including device binding, configuration, theming, and other shared modules. Contributed to a configurable application architecture with layered structure (pages, widgets, atoms, molecules, notifiers, providers, shared constants) enabling faster onboarding of new banking clients without rebuilding from scratch. Collaborated with Flutter developers, backend engineers, designers, and QA to deliver production-ready features.

Led development of Android and iOS applications using Flutter, transforming an existing web application into a cross-platform mobile solution within a four-member team. Built a white-label app architecture supporting three distinct client applications with customization and scalability. Implemented CI/CD pipelines using GitHub Actions to automate builds for all three apps and streamline deployments to testers. Integrated Firebase Crashlytics and implemented push notifications. Used Riverpod for state management to maintain a robust, efficient codebase across multiple client apps.