Senior JavaScript Developer (Node.js)

Title: Senior JavaScript Developer (Node.js)

Location: Gurgaon

Job Type: Onsite

Job Description

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.

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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).