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Ascentech Services Ltd

Backend Developer(Node.js & MongoDB)

Ascentech Services Ltd

New Delhi, Delhi, India
Full-Time
Posted 1 month ago

Job Description & Responsibilities

URGENT HIRING BACKEND DEVELOPER (NODE.JS & MONGODB)

Location: Delhi, India

Salary: Up to INR 2,000,000 per annum

Department: Engineering

Employment Type: Full-Time

About the Role

We are seeking an experienced Backend Developer with a strong background in Node.js and MongoDB to join our Engineering team. The ideal candidate will have at least 6 years of professional backend development experience and a proven track record of building secure, scalable, and high-performance server-side applications.

In this role, you will design, develop, and maintain robust backend systems and RESTful APIs that power a growing digital product ecosystem.

Key Responsibilities

  • Design, develop, and maintain scalable, secure, and high-performing backend applications using Node.js.
  • Build and manage backend services using frameworks such as Express.js, NestJS, or Fastify.
  • Write clean, reusable, and maintainable code following industry best practices.
  • Design and optimize MongoDB schemas, collections, and indexing strategies.
  • Implement efficient aggregation pipelines and ensure optimal database performance.
  • Monitor and improve database scalability and reliability.
  • Develop and maintain secure RESTful APIs and GraphQL services.
  • Ensure seamless integration between backend services and frontend applications.
  • Implement authentication, authorization, and API security best practices.
  • Identify and resolve application bottlenecks.
  • Optimize server performance, memory usage, and database query execution.
  • Implement caching mechanisms such as Redis to improve response times and scalability.
  • Implement robust security measures, including JWT, OAuth, encryption, and input validation.
  • Ensure compliance with security standards and data protection practices.
  • Develop comprehensive unit, integration, and end-to-end tests using tools such as Jest, Mocha, or Chai.
  • Participate in code reviews and maintain high coding standards.
  • Collaborate with cross-functional teams to ensure quality and performance.

Technical Requirements

Experience

  • Minimum 6+ years of backend engineering experience with Node.js and modern JavaScript/TypeScript.
  • Strong experience building enterprise-grade applications and scalable backend systems.
  • Deep expertise in MongoDB, including indexing, aggregation pipelines, and sharding concepts.
  • Hands-on experience with ODM frameworks such as Mongoose.
  • Strong understanding of asynchronous programming and the Node.js Event Loop.
  • Experience designing and implementing microservices and event-driven architectures.
  • Proficiency with Git version control.
  • Experience working with Docker and CI/CD pipelines.
  • Familiarity with cloud platforms such as AWS, GCP, or Azure.

If you are passionate about building scalable backend systems and modern cloud-based applications, send your CV to hidden_email

Compensation: 1,500,000.00 - 2,000,000.00 per month

Application Question(s)

The job is onsite, the location is Delhi. Are you okay with it The role is urgent. How soon can you join Experience:

Node.js and modern JavaScript/TypeScript : 6 years (Required)MongoDB: 4 years (Required)Work Location: In person URGENT HIRING BACKEND DEVELOPER (NODE.JS & MONGODB)

Location: Delhi, India

Salary: Up to INR 2,000,000 per annum

Department: Engineering

Employment Type: Full-Time

About the Role

We are seeking an experienced Backend Developer with a strong background in Node.js and MongoDB to join our Engineering team. The ideal candidate will have at least 6 years of professional backend development experience and a proven track record of building secure, scalable, and high-performance server-side applications.

In this role, you will design, develop, and maintain robust backend systems and RESTful APIs that power a growing digital product ecosystem.

Key Responsibilities

  • Design, develop, and maintain scalable, secure, and high-performing backend applications using Node.js.
  • Build and manage backend services using frameworks such as Express.js, NestJS, or Fastify.
  • Write clean, reusable, and maintainable code following industry best practices.
  • Design and optimize MongoDB schemas, collections, and indexing strategies.
  • Implement efficient aggregation pipelines and ensure optimal database performance.
  • Monitor and improve database scalability and reliability.
  • Develop and maintain secure RESTful APIs and GraphQL services.
  • Ensure seamless integration between backend services and frontend applications.
  • Implement authentication, authorization, and API security best practices.
  • Identify and resolve application bottlenecks.
  • Optimize server performance, memory usage, and database query execution.
  • Implement caching mechanisms such as Redis to improve response times and scalability.
  • Implement robust security measures, including JWT, OAuth, encryption, and input validation.
  • Ensure complia

Required Skills

JavaScriptTypeScriptNode.jsAWSAzureGCPDockerMongoDBRedisGit

Job Details

Employment TypeFull-Time
Work ModeOn-Site
Experience611 years
Positions1

Posted by

N/A

Posted on:

3 Jul 2026

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