Senior React Native & Full-Stack Developer Needed (React Native, React, Stripe, Heroku, Claude AI)

We are looking for an experienced senior full-stack developer to take over an existing mobile application that is approximately 90% complete. The mobile app is already built, and we now need an experienced developer to bring it across the finish line by fixing bugs, completing the remaining features, optimizing performance, and preparing it for production. In addition to completing the mobile app, we also need help finishing our React web application, so experience with both mobile and web development is required. Required Skills Expert in React Native Expert in React Strong JavaScript/TypeScript experience Experience integrating and maintaining Stripe Experience deploying and managing applications on Heroku Experience working with REST APIs Strong Git/GitHub workflow Experience publishing apps to the Apple App Store and Google Play Experience taking over existing codebases Strong debugging and problem-solving skills Excellent communication skills AI Experience (Required) You must have experience using Claude AI (Anthropic) as part of your development workflow to accelerate debugging, code reviews, refactoring, and feature development. We are looking for a developer who knows how to effectively leverage AI tools to improve productivity while maintaining high-quality code. Responsibilities Review and understand the existing codebase Fix all remaining bugs Complete unfinished features Finish our React web application Optimize performance Complete Stripe integrations Ensure smooth communication between frontend and backend Deploy updates through Heroku Prepare both mobile apps for App Store and Google Play submission What We're Looking For This project is not for a beginner. We need someone who is comfortable stepping into an existing project, understanding another developer's architecture, and delivering a polished, production-ready product. When You Apply, Please Include Links to at least 3 React Native apps you've personally built Links to React web applications you've worked on Your GitHub profile Your hourly rate Your availability over the next 30 days A brief explanation of your experience with Stripe, Heroku, and Claude AI An estimate of how many hours you believe it will take after reviewing the codebase Only apply if you have extensive experience with React Native, React, Stripe, Heroku, and taking over existing projects.