Sr. Nodejs Developer

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.

Responsibilities:
•    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.

Qualifications:

•    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.

Candidate must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future.

Salary Range: $80,000 – $140,000 annually

Application Deadline: 2/23/2026

Location: Irving, Texas

Compensation & Benefits:

This position is eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to applicable plans.

Benefits include:

Medical, Dental, Vision, and Life Insurance

Paid Holidays and Paid Time Off

401(k) plan with contributions

Long-term and Short-term Disability

Paid Parental Leave

Employee Stock Purchase Plan

Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.