Freelance Application Developer – Fintech App Optimization

Join an exciting fintech project focused on delivering a seamless mobile wallet experience for users and small businesses in Nigeria. This role centers on refining and optimizing a fully developed Flutter application in its final pre-launch phase. You will play a key part in ensuring the app is production-ready by addressing UI inconsistencies, debugging, and enhancing user flows, particularly onboarding.

The ideal candidate will demonstrate a strong attention to detail, a passion for clean execution, and the ability to work efficiently under tight timelines. This is a targeted engagement to finalize and optimize the current implementation, with the potential for ongoing collaboration.

Deliverables

• Refine and clean up UI components to ensure visual consistency across the app
• Debug and resolve existing bugs affecting user experience and app stability
• Optimize onboarding flows for clarity, speed, and ease of use
• Enhance navigation and user journey throughout the application
• Debug and improve API integrations for reliable data flow and performance
• Conduct performance optimization to ensure smooth operation on a range of devices
• Prepare the app for a seamless, production-ready launch

Requirements

• Proven experience developing and optimizing Flutter mobile applications
• Strong skills in Dart and Flutter framework, with a portfolio of published apps
• Demonstrated expertise in UI/UX best practices and mobile app debugging
• Experience with API integration and troubleshooting in mobile environments
• Ability to identify and resolve performance bottlenecks
• Familiarity with fintech or payment platforms is a plus
• Excellent attention to detail and commitment to delivering high-quality work
• Availability for immediate engagement and ability to work independently
• Strong communication skills and responsiveness

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