Senior JavaScript Developer (Node.js)

Job Title: Senior JavaScript Developer (Node.js)

Job Location: Gurgaon, Haryana

Job Type: Onsite

One of our clients in the fashion tech space leverages proprietary AI technology to help fashion brands and retailers generate high-quality, on-model catalog images—enabling them to bring products to market more quickly.

Our client is seeking experienced and skilled JavaScript Developers to join their team at Gurugram location. With more than 5 years of professional experience, the candidate will be responsible for designing, developing, and maintaining scalable backend systems using Node.js and related technologies. Strong understanding of system design principles, both high-level (HLD) and low-level (LLD), is essential. Familiarity with full stack fundamentals in JavaScript-based technologies like React, Angular, and Express is also preferred.

Key Responsibilities:

• Write clean, maintainable, and scalable backend code using Node.js.
• Design and implement robust RESTful or GraphQL APIs and integrate them with frontend systems and databases.
• Own the end-to-end technical architecture of projects, contributing to both HLD and LLD.
• Collaborate with frontend developers to ensure cohesive and performant applications.
• Debug, monitor, and improve performance of backend systems.
• Implement security, authentication, and data protection best practices.

Requirements:

• Proficiency in JavaScript/TypeScript with deep expertise in Node.js and frameworks like Express or NestJS.
• Hands-on experience with distributed systems, message queues (e.g., BullMQ, Redis, RabbitMQ), and microservices.
• Strong understanding and practical experience in system design – both High-Level Design (HLD) and Low-Level Design (LLD).
• Familiarity with modern frontend technologies such as React or Angular.
• Experience working with relational and NoSQL databases (e.g., MySQL, MongoDB, PostgreSQL).
• Proficient with Git and standard version control workflows.
• Experience working with cloud platforms like AWS, GCP, or Azure.
• Exposure to DevOps tools and CI/CD pipelines (e.g., Docker, Jenkins, GitHub Actions).