Worksite Gurgaon Noida Pune Skills MongoDB Express js React js and Node js JavaScript TypeScript RESTful APIs Job Overview We are looking for a highly skilled and experienced Senior MERN Stack Developer to join our dynamic engineering team The ideal candidate should have a robust foundation in MongoDB Express js React js and Node js along with a deep understanding of software architecture API development and best coding practices You will play a key role in leading full-stack projects mentoring junior developers and delivering high-quality scalable web applications Key Responsibilities Design and develop end-to-end scalable secure and performant full-stack applications using the MERN stack Build and integrate robust RESTful and or GraphQL APIs Write clean maintainable and well-documented code using modern JavaScript ES6 Lead the development lifecycle - from planning and architecture to testing and deployment Collaborate with UI UX designers and product managers to translate business requirements into technical specifications Optimize performance and scalability for large-scale applications Mentor junior developers conduct code reviews and enforce development best practices Troubleshoot debug and resolve application issues across the stack Required Skills Qualifications 4-8 years of hands-on experience with the MERN stack MongoDB Express js React js and Node js Strong proficiency in JavaScript ES6 and TypeScript preferred Solid understanding of API development authentication authorization e g JWT OAuth Experience with state management tools like Redux Context API Strong knowledge of MongoDB aggregation schema design and indexing Experience with Docker CI CD pipelines and cloud deployment AWS GCP Azure Heroku Familiarity with unit testing and integration testing frameworks e g Jest Mocha Proficient in Git GitHub and Agile development methodologies Excellent problem-solving skills and communication abilities Preferred Qualifications Experience with Next js or server-side rendering SSR Familiarity with microservices architecture and message queues e g RabbitMQ Kafka Knowledge of GraphQL Socket io or real-time systems Background in performance tuning and database optimization