Senior Developer - MERN stack

You will be joining our engineering team as a Junior MERN Stack Developer, where you will have the opportunity to contribute to building scalable products and learning system architecture under the guidance of industry experts. **Key Responsibilities:** - **Backend (Node.js + Express / NestJS)** - Build and maintain scalable REST & GraphQL APIs for vehicle listing, bidding, and user modules. - Implement server-side logic including validation, authentication, authorization (JWT/OAuth). - Work with MongoDB schema design, indexing, aggregation pipelines, transactions. - Integrate Redis for caching, queues, and real-time subscription handling. - Write clean, modular code using MVC / Repository patterns. - **Frontend (React.js)** - Develop intuitive dashboards for dealers, bidders, and admin users. - Implement reusable components using React, Tailwind/Bootstrap, Redux ToolKit/Zustand. - Build responsive UI for auction events, vehicle previews, and bid flow. - **Real-Time Systems** - Work with Socket.IO / WebSockets for live bidding updates. - Handle event-driven architecture with queues. - **Cloud & DevOps** - Deploy applications on AWS (EC2, S3, CloudFront, Nginx, etc.). - Participate in CI/CD and version control (Git, GitHub). - **Quality & Collaboration** - Write clean, testable code and collaborate through PR reviews. - Work in Agile sprints with senior engineers. - Document modules, APIs, and workflows. **Required Skills:** - Strong knowledge of JavaScript / TypeScript. - Good understanding of MongoDB, Express.js, React.js, Node.js. - Experience with REST APIs, JSON, and authentication (JWT). - Frontend state management: Redux Toolkit / Zustand / Context API. - Knowledge of Git, GitHub, Postman. - Basic understanding of asynchronous programming, promises, event loop. - Understanding of fundamentals of DSA, OOP, and clean coding. **Good To Have (Not Mandatory):** - Experience with real-time tech: Socket.IO / WebSockets / WebRTC. - Knowledge of Redis (caching, pub/sub). - Familiarity with AWS (EC2, S3, Vercel, Cloudinary). - Repository pattern, SOLID principles. - Experience building dashboards, admin panels, or marketplace apps.,