Senior Node.js Backend Engineer

Cognizant Technology Solutions Corporation

Irving, United States of America

9 days ago

Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Working hours

Regular working hours

Languages

English

Experience level

Senior

Job location

Irving, United States of America

Tech stack

JavaScript

API

Amazon Web Services (AWS)

Server Applications

Azure

Cloud Engineering

Software Quality

Computer Programming

Continuous Integration

Information Engineering

Software Debugging

DevOps

Distributed Systems

Node.js

Object-Relational Mapping

Performance Tuning

Swagger

Data Streaming

TypeScript

Openapi

Data Logging

Data Processing

System Availability

Express

Backend

Event Driven Architecture

Containerization

Kafka

Front End Software Development

Api Design

REST

Stream Processing

Data Pipelines

Docker

Microservices

Job description

We are seeking an experienced Senior Node.js Backend Engineer with 5+ years of hands-on experience in building scalable, high-performance server-side applications. The ideal candidate will have deep expertise in Node.js, microservices architecture, and real-time streaming systems, with strong exposure to Kafka, TypeScript/JavaScript, and modern backend frameworks., * Design, develop, and maintain server-side applications using Node.js with Express.js / Fastify frameworks.

Build and manage microservices-based architectures with high availability and scalability.
Implement real-time data streaming solutions using Kafka and event-driven patterns.
Develop and optimize backend logic with a strong focus on Object-Relational Mapping (ORM) and efficient data handling.
Design, implement, and document RESTful APIs following industry best practices.
Create and maintain comprehensive API documentation using Swagger / OpenAPI specifications.
Ensure code quality, performance, security, and scalability across backend services.
Collaborate with frontend, DevOps, and data engineering teams to deliver end-to-end solutions.
Troubleshoot, debug, and optimize backend services in production environments.

Requirements

5+ years of hands-on experience in Node.js backend development.
Strong expertise in server-side programming and backend system design.
Extensive experience with Express.js and/or Fastify frameworks.
Solid understanding of streaming architectures and event-driven systems.
Hands-on experience with Kafka for message streaming and asynchronous processing.
Strong knowledge of ORM tools (e.g., Sequelize, TypeORM, Prisma).
Proficiency in TypeScript for building robust and maintainable backend services.
Experience in building microservices and distributed systems.
Strong experience in API design and documentation using Swagger/OpenAPI.
Good understanding of performance optimization, logging, monitoring, and error handling.
Familiarity with CI/CD pipelines, containerization, and cloud-native deployments is a plus.