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Backend Developer

Weekday AIGurugram, Haryana๐Ÿ‡ฎ๐Ÿ‡ณIndiaPosted 14 Oct 2026

Why This Role Stands Out

Advance your career as a Backend Developer with Weekday AI, a role offering a competitive salary of INR 30-36 LPA and the opportunity to build scalable, high-performance systems using Node.js and MongoDB. If you are a mid-senior developer with 6+ years of experience and a passion for robust backend architecture, you will thrive in this on-site Gurugram-based full-time position. Apply today to contribute to significant business and product growth!

Quick Overview

Seniority
Mid Senior
Employment type
Full Time
Work mode
On Site
Location
Gurugram, Haryana, India
Posted
Yesterday
DockerExpressMicroservicesMongoDBNestJSNode.jsContinuous ImprovementGitJavaScriptRESTTypeScript

Job Description

๐—ง๐—ต๐—ถ๐˜€ ๐—ฟ๐—ผ๐—น๐—ฒ ๐—ถ๐˜€ ๐—ณ๐—ผ๐—ฟ ๐—ผ๐—ป๐—ฒ ๐—ผ๐—ณ ๐˜๐—ต๐—ฒ ๐—ช๐—ฒ๐—ฒ๐—ธ๐—ฑ๐—ฎ๐˜†'๐˜€ ๐—ฐ๐—น๐—ถ๐—ฒ๐—ป๐˜๐˜€

๐—ฆ๐—ฎ๐—น๐—ฎ๐—ฟ๐˜† ๐—ฟ๐—ฎ๐—ป๐—ด๐—ฒ: ๐—ฅ๐˜€ ๐Ÿฏ๐Ÿฌ๐Ÿฌ๐Ÿฌ๐Ÿฌ๐Ÿฌ๐Ÿฌ - ๐—ฅ๐˜€ ๐Ÿฏ๐Ÿฒ๐Ÿฌ๐Ÿฌ๐Ÿฌ๐Ÿฌ๐Ÿฌ (๐—ถ๐—ฒ ๐—œ๐—ก๐—ฅ ๐Ÿฏ๐Ÿฌ-๐Ÿฏ๐Ÿฒ ๐—Ÿ๐—ฃ๐—”)

Experience: 6+ yrs

Location: Gurugram, Haryana, India

Job Type: Full-time

We are looking for an experiencedย Backend Developerย with strong expertise inย Node.js and MongoDBย 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 usingย Node.js.
  • Build secure, efficient, and well-documented RESTful APIs and backend integrations.
  • Design and optimiseย MongoDBย 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 experienceย in backend development, with strong hands-on expertise in Node.js.
  • Proficiency inย JavaScript and TypeScript, including asynchronous programming and modern language features.
  • Strong experience developing production-grade backend applications using Node.js frameworks such asย Express.js or NestJS.
  • Proven expertise inย 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.