Backend Developer(Node.js & MongoDB)
Ascentech Services Ltd
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
About Ascentech Services Ltd
Required Skills
Job Details
Posted by
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Posted on:
3 Jul 2026
About Ascentech Services Ltd
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