𝗧𝗵𝗶𝘀 𝗿𝗼𝗹𝗲 𝗶𝘀 𝗳𝗼𝗿 𝗼𝗻𝗲 𝗼𝗳 𝘁𝗵𝗲 𝗪𝗲𝗲𝗸𝗱𝗮𝘆'𝘀 𝗰𝗹𝗶𝗲𝗻𝘁𝘀

𝗦𝗮𝗹𝗮𝗿𝘆 𝗿𝗮𝗻𝗴𝗲: 𝗥𝘀 𝟯𝟬𝟬𝟬𝟬𝟬𝟬 - 𝗥𝘀 𝟯𝟲𝟬𝟬𝟬𝟬𝟬 (𝗶𝗲 𝗜𝗡𝗥 𝟯𝟬-𝟯𝟲 𝗟𝗣𝗔)

Experience: 6+ yrs

Location: Gurugram, Haryana, India

Job Type: Full-time

We are looking for an experienced Backend Developer with strong expertise in Node.js and MongoDB to design, develop, and maintain scalable, secure, and high-performance backend systems. The ideal candidate will have a solid understanding of server-side development, API architecture, database design, and distributed systems.

You will play a key role in building reliable backend services, improving application performance, and developing robust solutions that support business and product growth. This role requires strong problem-solving skills, technical ownership, and the ability to collaborate effectively with cross-functional engineering teams.

Key Responsibilities

Design, develop, and maintain scalable backend applications and services using Node.js.
Build secure, efficient, and well-documented RESTful APIs and backend integrations.
Design and optimise MongoDB schemas, collections, indexes, aggregation pipelines, and database queries.
Develop reusable, modular, and maintainable code following established software engineering principles.
Implement authentication, authorisation, data validation, error handling, and appropriate security controls.
Design backend architectures that support high availability, scalability, reliability, and performance.
Identify and resolve performance bottlenecks across APIs, database operations, and application services.
Integrate third-party APIs, external services, and internal systems.
Write unit and integration tests to maintain code quality and application reliability.
Participate in code reviews, technical design discussions, and architecture planning.
Collaborate with frontend, Product, QA, and DevOps teams to deliver features efficiently.
Troubleshoot production issues, conduct root-cause analysis, and implement long-term fixes.
Support deployment pipelines, application monitoring, logging, and production releases.
Maintain technical documentation and contribute to coding standards and development best practices.
Evaluate emerging backend technologies and identify opportunities to improve system efficiency.

What Makes You a Great Fit

6+ years of professional experience in backend development, with strong hands-on expertise in Node.js.
Proficiency in JavaScript and TypeScript, including asynchronous programming and modern language features.
Strong experience developing production-grade backend applications using Node.js frameworks such as Express.js or NestJS.
Proven expertise in MongoDB, including schema design, indexing, query optimisation, and aggregation pipelines.
Strong understanding of REST APIs, microservices, and service-oriented architecture.
Knowledge of authentication, authorisation, API security, and secure coding practices.
Experience with Git, automated testing, CI/CD, and modern development workflows.
Familiarity with Docker, cloud platforms, caching, message queues, and application monitoring is an advantage.
Strong debugging, analytical, and problem-solving skills.
Excellent communication and collaboration skills, with the ability to take ownership of complex technical deliverables.
A commitment to clean code, performance optimisation, system reliability, and continuous improvement.