# Backend Developer

> Weekday AI · Gurugram, India · Full-time · Posted 2026-10-14

**Salary:** INR 3,000,000–3,600,000

**Workplace:** on_site

**Department:** Weekday's Client via platform

## Description

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.

## Requirements

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.

## Apply

[Apply at Weekday AI](https://apply.workable.com/weekday-1/j/89B180D70C/apply)

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