We already have a working dating platform in production, and we are now expanding the app with new features, improved performance, and a better matching experience. To support this next development phase, we are hiring 2 Senior Full-Stack JavaScript Developers to work on upgrades, new modules, and overall optimization. Current App Features (Already Built) • User profiles with photos and interests • Swipe-style matching • Chat system • Basic verification • Admin panel • Notifications New Features & Improvements Needed You will help expand and refine the platform with: • Smarter compatibility scoring + advanced recommendations • Enhanced real-time chat (typing status, online indicators) • Improved location-based matching • Better photo moderation workflow • Stronger verification (email/SMS) • UI/UX refinements for mobile responsiveness • Performance improvements on both frontend and backend • Refactoring older modules for scalability • Admin panel enhancements (reports, metrics, moderation tools) Responsibilities • Extend and improve frontend components (React.js or Next.js) • Upgrade backend APIs using Node.js + TypeScript • Redesign or optimize database structures • Add new matching logic and filtering options • Improve real-time chat using WebSockets or Socket.io • Implement updated geolocation features • Integrate more reliable upload + verification processes • Optimize overall system performance • Maintain clean, modular code during feature expansions Required Skills 6+ years of professional full-stack experience Strong React + Node.js + TypeScript Experience working on existing/legacy codebases Real-time messaging (WebSockets/Socket.io) Ability to optimize performance and refactor code Strong communication and documentation habits Preferred (Not Required) • Experience with dating/social apps • Redis (cache, sessions, queues) • TailwindCSS or Material UI • Push notifications • Experience with recommendation systems Anti-AI Requirement Your proposal must start with: "I am sen dating app developer" (Proposals without this line will not be reviewed.) Deliverables • New feature modules fully implemented • Improved matching flow • Upgraded real-time chat • Photo verification improvements • Updated admin features • Performance optimizations • Clean code with basic documentation of changes To Apply Please include: • Links to similar dating/social/chat apps you’ve worked on • Relevant full-stack portfolio examples • Estimated timeline for adding the requested features • Weekly availability