Senior API Developer, Node.js

Concentrix

full-time

Posted on: 9/25/2025

Origin: • 🇺🇸 United States • North Carolina

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💰 $92,250 - $144,964 per year

Senior

AWSAzureCloudDockerGoogle Cloud PlatformGraphQLGRPCJavaScriptJenkinsKafkaKubernetesMicroservicesMongoDBMySQLNode.jsNoSQLPostgresRabbitMQSQLTypeScript

About the role

Develop, test, and maintain RESTful and GraphQL APIs using Node.js and modern frameworks (e.g., Express.js, Nest.js)
Translate business and technical requirements into well-structured, efficient, and reusable code
Implement API security (OAuth2, JWT, TLS, API keys) and ensure compliance with enterprise standards
Optimize API performance through caching, rate limiting, and scalability best practices
Write clean, maintainable code with proper unit tests, integration tests, and documentation
Work closely with solution architects to align development with enterprise API strategy and microservices architecture
Collaborate with DevOps teams for CI/CD pipeline integration and containerized deployments (Docker, Kubernetes)
Debug, troubleshoot, and resolve issues across the API lifecycle
Mentor junior developers and share best practices in Node.js and API development
Stay up to date with industry trends, emerging technologies, and regulatory changes in the FinTech sector

Bachelor’s degree in Computer Science, Engineering, or related field
5–7 years of professional software development experience
At least 3+ years in Node.js API development
Strong proficiency in JavaScript/TypeScript
Hands-on experience with REST APIs, GraphQL, and asynchronous communication (WebSockets, gRPC)
Proficiency with SQL and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB)
Familiarity with API documentation tools (Swagger/OpenAPI, Postman)
Experience with source control (Git) and agile development practices
Strong problem-solving, debugging, and optimization skills
Understanding of software engineering principles and processes (e.g., Lean, Agile, DevOps)
Experience with cloud platforms (AWS, Azure, or GCP) (preferred)
Knowledge of API gateways and management platforms (Apigee, Kong, AWS API Gateway, MuleSoft) (preferred)
Exposure to event-driven systems (Kafka, RabbitMQ) (preferred)
Understanding of DevOps and CI/CD tools (Jenkins, GitHub Actions, GitLab CI) (preferred)
Familiarity with monitoring tools (New Relic, Datadog, ELK) (preferred)
Must successfully complete background check including identity verification and employment eligibility