Design, develop, and maintain RESTful or GraphQL APIs using Node.js.
Write clean, reusable, and scalable server-side code using JavaScript or TypeScript.
Integrate third-party services, databases, and internal APIs.
Optimize application performance, scalability, and security.
Work with databases like MongoDB, PostgreSQL, MySQL, or Redis.
Implement and enforce authentication and authorization protocols (e.g., JWT, OAuth2).
Write unit and integration tests to ensure code reliability (using Jest, Mocha, etc.).
Collaborate with front-end developers and DevOps engineers.
Participate in code reviews, sprint planning, and agile ceremonies.
