Node.JS Developer — EXL, Pittsburgh, PA

Role: Senior Node.js Developer

Location: Pittsburgh, PA (Hybrid 3 days in client office)

Experience: 6+ years of experience

Duration: Full time

About the role

We are looking for an experienced Node.js developer to build and maintain fast, reliable backend services and APIs. You will write clean code, guide junior developers, and help the team make good technical decisions.

What you will do

• Build and maintain REST APIs and backend services using Node.js

• Design database structures and write efficient queries

• Write clean, testable, and well-documented code

• Review code and mentor junior developers

• Find and fix bugs and performance issues

• Work with frontend, QA and product teams to deliver features on time

• Help improve deployment, monitoring, and security practices

Must-have skills

• 6+ years of hands-on experience in Node.js and JavaScript (ES6+)

• Strong experience with Express.js, NestJS or a similar framework

• Good knowledge of async programming (Promises, async/await)

• Experience with databases: SQL (PostgreSQL / MySQL) and NoSQL (MongoDB)

• Experience building and securing REST APIs (authentication, JWT, OAuth)

• Good working knowledge of Git and code reviews

• Experience writing unit and integration tests (Jest, Mocha or similar)

Good-to-have skills

• TypeScript

• Microservices and message queues (Kafka, RabbitMQ)

• Cloud platforms: AWS, Azure, or GCP

• Docker, Kubernetes, and CI/CD pipelines

• Caching tools such as Redis

• GraphQL