Senior Node.JS Developer

Capital Numbers

5 years

0 Lacs

gurugram haryana india

Posted:2 days ago| Platform:

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Skills Required

node.js developer development database postgresql api test design query optimization indexing aws azure code testing integration devops software data security scalability programming rest writing sql versioning authentication jwt postman swagger openapi git debugging tuning orm containerization graphql websockets

Work Mode

On-site

Job Type

Full Time

Job Description

Senior

Key Responsibilities:

Develop, test, and maintain backend services using
Node.js
and
Express.js
Design and implement robust RESTful APIs for front-end and third-party integrations
Manage and optimize
PostgreSQL
databases, including query optimization, indexing, and performance tuning
Integrate and deploy applications on
cloud platforms
(AWS, Azure, or GCP)
Write clean, maintainable, and scalable code following best practices and design patterns
Participate in code reviews, unit testing, and continuous integration processes
Collaborate closely with front-end developers, DevOps engineers, and product managers to deliver quality software on time
Ensure data security, performance, and scalability in backend operations

Required Skills & Qualifications:

Strong expertise in Node.js
with a focus on asynchronous programming and event-driven architecture
Hands-on experience with Express.js
for REST API development
Proficient in working with
PostgreSQL
, including writing complex SQL queries, schema design, and migrations
Experience in
cloud-based deployments
(AWS, Azure, or GCP)
Good understanding of REST principles, API versioning, and authentication (JWT, OAuth)
Familiarity with tools like Postman, Swagger/OpenAPI for API testing and documentation
Experience with Git and CI/CD pipelines
Excellent debugging and performance tuning skills

Good to Have:

Experience with modern Node.js frameworks like
Fastify
or
NestJS
Familiarity with ORM libraries such as
Sequelize
or
TypeORM
Knowledge of containerization tools like
Docker
Exposure to GraphQL or WebSockets is a plus

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