Lead Full Stack Developer (MERN)

MERN Stack Expertise: Strong hands-on experience with MongoDB, Express.js, React.js, and Node.js.Frontend Skills: Proficiency in React (Hooks, Redux, Context API), JavaScript (ES6+), TypeScript, HTML5, CSS3, Tailwind/Bootstrap.Backend & APIs: Building scalable microservices, REST/GraphQL APIs, authentication & authorization flows.Database & Cloud: Expertise in NoSQL (MongoDB) and deployment on AWS/GCP/Azure with CI/CD pipelines.Fintech/Payments Domain:Payment Gateway Integrations (Razorpay, Cashfree, PayU, CCAvenue, BillDesk).Banking APIs (UPI, IMPS, NEFT, RTGS, NACH) for Pay-In / Payout solutions.Knowledge of reconciliation, settlements, fraud detection, KYC/AML, PCI-DSS compliance.Gaming Domain Exposure (Preferred):In-app purchase systems, wallets, tokens/credits, reward points.Real-time payment flows in multiplayer or gaming platforms.Problem Solving: Ability to design, develop, and deploy independently from Day 1 with minimal supervision.