Senior Backend Developer – MERN Stack

Sr. Backend Developer (MERN Stack) – 6 - 8 Years

We are seeking a highly skilled Backend Developer with 6 - 8 Years of hands-on experience in the MERN stack to join our growing engineering team. The ideal candidate should have a strong product engineering mindset, proven experience working in a product-based company, and a track record of building scalable, secure, and high-performance applications used by a large user base.

The candidate will play a key role in designing backend architecture, developing robust APIs, optimizing system performance, and contributing to technical decisions that drive product growth and reliability.

Key Responsibilities

Design, develop, and maintain scalable backend services using Node.js and Express.js.

Build secure, reusable, and high-performance RESTful APIs and microservices.

Design and optimize MongoDB databases, collections, indexes, and aggregation pipelines.

Collaborate closely with Product Managers, Frontend Engineers, QA teams, and DevOps teams to deliver high-quality product features.

Architect solutions that can handle high traffic, large datasets, and growing business requirements.

Implement authentication, authorization, data security, and performance optimization strategies.

Participate in system design discussions, architecture reviews, and technical planning.

Troubleshoot production issues, identify bottlenecks, and implement long-term solutions.

Write clean, maintainable, testable, and well-documented code following engineering best practices.

Conduct code reviews and mentor junior developers when required.

Contribute to CI/CD processes, monitoring, logging, and deployment automation.

Required Technical Skills Backend Development

Strong expertise in JavaScript (ES6+) and TypeScript.

5+ Years of experience with:

Node.js

Express.js

Strong understanding of asynchronous programming, event loop, streams, and backend design patterns.

Database

Advanced knowledge of:

MongoDB

Experience with schema design, indexing, aggregation pipelines, query optimization, and database performance tuning.

API & System Design

Strong experience building RESTful APIs.

Understanding of microservices architecture and distributed systems.

Knowledge of API security, rate limiting, caching, and scalability principles.

Cloud & DevOps

Experience with cloud platforms such as:

Amazon Web Services (AWS)

Hands-on experience with:

Docker

CI/CD pipelines

Deployment automation

Performance & Scalability

Experience implementing caching solutions using:

Redis

Strong understanding of application monitoring, logging, and performance optimization.

Mandatory Requirements

✅ 6+ years of backend development experience.

✅ Strong hands-on experience with MERN stack technologies.

✅ Must have worked in a Product-Based Company.

✅ Experience building and maintaining customer-facing products at scale.

✅ Strong understanding of scalable architecture, performance optimization, and software engineering best practices.

✅ Experience working in Agile/Scrum development environments.

✅ Excellent problem-solving and analytical skills.

✅ Ability to take ownership of features from design to production deployment.

We are looking for a developer who:

Thinks beyond coding and understands product impact.

Can independently design and deliver scalable backend solutions.

Has strong ownership and accountability.

Is passionate about clean code, performance optimization, and system reliability.

Thrives in a fast-paced product engineering environment.

Demonstrates excellent communication and collaboration skills.

Experience: 6 - 8 Years

Employment Type: Full-Time

Availability: Immediate

Product Company Experience is Preferred.

Candidates with experience building scalable products,

Pay: ₹6LPA - ₹10LPA

Pay: ₹600,000.00 - ₹1,000,000.00 per year

Ability to commute/relocate:

Greater Noida, Uttar Pradesh: Reliably commute or planning to relocate before starting work (Preferred)

Education:

Bachelor's (Preferred)

Experience:

Node.js: 5 years (Required)

Work Location: In person