NODIRBEK J.

Looking for a React Native engineer who can build, scale, or rescue your mobile app? You're in the right place. I have 5+ years of experience developing production React Native applications for startups and growing businesses, with deep expertise in fintech, payment systems, and high-performance mobile apps, including cryptocurrency and Lightning Network integrations. Here's what I can help you with: • Build production-quality iOS & Android apps from scratch • Modernize and scale existing React Native applications • Integrate Firebase, GraphQL, authentication, payments, and third-party SDKs • Fix difficult bugs, crashes, and performance issues • Develop native Android/iOS modules when React Native alone isn't enough • Publish and maintain apps on the App Store and Google Play Recent work: • Built and maintained production mobile applications used by real customers • Contributed to Lightning Network payment integration in a production fintech app • Developed NFC-based payment and rewards functionality • Improved the mobile development workflow by implementing CI/CD automation using GitHub Actions and CircleCI • Improved application stability by diagnosing and resolving complex production issues • Integrated Firebase services for analytics, crash reporting, messaging, and feature management • Optimized a GraphQL/Apollo data layer for better performance and maintainability Tech stack: Mobile: React Native, TypeScript, JavaScript, React Navigation Backend & APIs: GraphQL (Apollo), REST APIs, Node.js Cloud: Firebase, Push Notifications, Analytics, Crashlytics, Remote Config Mobile Expertise: Native Android, Native iOS, NFC, Payment Integration, Authentication, App Store & Google Play Deployment, CI/CD While fintech and payments are a core strength, I also work across other industries. Whether you're building a new mobile app, scaling an existing product, or solving challenging production issues, I can help you deliver a reliable, high-quality app. Let's discuss your project.