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EXL

Node.JS Developer

EXL

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

Posted 11/9/2026full-timePittsburgh • Pennsylvania • United StatesMid-LevelSenior💰 $100,000 - $130,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

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Proficient in building and maintaining REST APIs and backend services using Node.js, with strong expertise in database design and efficient query writing. Demonstrates capability in mentoring junior developers and improving deployment and security practices.

Highest-signal resume keywords
Node.jsJavaScript (ES6+)REST API DevelopmentSQL Databases (PostgreSQL, MySQL)Microservices

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Express.jsNestJSAsync ProgrammingNoSQL Databases (MongoDB)Unit Testing (Jest, Mocha)TypeScriptCloud Platforms (AWS, Azure, GCP)DockerKubernetesCaching Tools (Redis)
Soft Skills
MentoringCollaborationProblem-Solving
Tools & Technologies
GitCI/CD PipelinesMessage Queues (Kafka, RabbitMQ)GraphQL
Industry Keywords
Computer Science DegreeCode ReviewPerformance OptimizationSecurity Practices

Tech Stack

Tools & technologies
AWSAzureCloudDockerGoogle Cloud PlatformGraphQLJavaScriptJestKafkaKubernetesMicroservicesMochaMongoDBMySQLNode.jsNoSQLPostgresRabbitMQRedisSQLTypeScript

About the role

Key responsibilities & impact
  • 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

Requirements

What you’ll need
  • 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 SQL databases, including PostgreSQL and MySQL
  • Experience with NoSQL databases, including MongoDB
  • Experience building and securing REST APIs using authentication, JWT, and OAuth
  • Good working knowledge of Git and code reviews
  • Experience writing unit and integration tests using Jest, Mocha or similar
  • Graduate in Computer Science or related field
  • TypeScript
  • Microservices and message queues, including Kafka and RabbitMQ
  • Cloud platforms: AWS, Azure or GCP
  • Docker, Kubernetes and CI/CD pipelines
  • Caching tools such as Redis
  • GraphQL