Backend Developer MERN Stack

You will be working as a Senior Backend Engineer at Fairdeal.Market, a rapidly growing B2B quick commerce company located in Sector 67, Gurgaon. With a mission to efficiently and sustainably fulfill every shopping bag worldwide, the company offers a wide range of products with delivery times as short as 20 minutes. In this role, your primary responsibilities will include designing and implementing robust, scalable, and high-performance backend services using Node.js, Express.js, and MongoDB. You will be actively involved in architectural decisions, solving complex technical problems, and providing mentorship to junior developers. Proficiency in backend architecture, Docker, and CI/CD pipelines will be valuable assets for this position. Key Responsibilities: - Design and implement backend services and REST APIs using Node.js and Express.js. - Develop scalable data models and work efficiently with MongoDB and NoSQL databases. - Solve complex problems related to performance, scalability, and data integrity. - Ensure code quality through test coverage, peer reviews, and automated workflows. - Collaborate with frontend developers, product managers, and DevOps for effective feature implementation. - Lead the technical architecture of new features and services, including managing background jobs and event-driven architecture. - Implement application security and data protection protocols. - Optimize application performance, scalability, and maintainability. - Mentor and guide junior engineers to ensure adherence to best coding practices. - Participate in sprint planning, technical discussions, and release management. Qualifications: - B.Tech in Computer Science, Information Technology, or related field. - 4+ years of hands-on experience with the MERN stack, focusing on backend development. - Proficiency in JavaScript and Node.js, with a deep understanding of Express.js. - Strong database knowledge, particularly in MongoDB, including schema design and optimization. - Experience in architecting scalable backend systems. - Familiarity with Docker, containerization concepts, and CI/CD pipelines (e.g., GitHub Actions, Jenkins, GitLab CI). - Understanding of REST APIs, microservices, and API documentation (Swagger/OpenAPI). - Familiarity with Redis, message queues (RabbitMQ, Kafka) is a plus. - Strong problem-solving and analytical skills. - Excellent written and verbal communication. Good to Have: - Exposure to cloud platforms like AWS (EC2, S3, Lambda). - Experience with monitoring/logging tools (ELK Stack, Prometheus, Grafana). - Knowledge of GraphQL, WebSockets, or gRPC. - Contribution to open-source or public code repositories.,