Back End Developer

Backend JavaScript API Developer (3–5 Years)

Role overview

designing and building

Key responsibilities

·      Design, develop, and maintain RESTful (and/or GraphQL) APIs for web and mobile applications.

·      Implement server-side business logic, integrations with third-party services, and background jobs.

·      Design and optimize database schemas, queries, and indexes for performance and data integrity.

·      Ensure API reliability, scalability, and security (authentication, authorization, input validation, rate limiting).

·      Write clean, testable code with unit/integration tests and participate in regular code reviews.

·      Collaborate with frontend, QA, and DevOps teams to deliver features from design to production on cloud environments (AWS/Azure/GCP).

·      Monitor and troubleshoot issues, optimize performance, and improve observability (logging, metrics, alerts).

Required skills and experience

·      3–5 years of hands-on backend development using JavaScript/TypeScript with Node.js and frameworks like Express or NestJS.

·      Strong experience in building and consuming RESTful APIs and working with JSON-based integrations.

·      Solid understanding of relational and/or NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB), including schema design and query optimization.

·      Practical exposure to at least one major cloud provider (AWS, Azure, or GCP) for deploying and operating backend services.

·      Familiarity with Git-based workflows, CI/CD pipelines, and basic containerization concepts (Docker).

·      Good understanding of security best practices for APIs and data handling.

Nice-to-have capabilities

·      Exposure to frontend frameworks (React, Angular, or Vue) for better end-to-end collaboration.

·      Experience with message queues, event-driven architectures, or serverless functions.

·      Knowledge of performance profiling and caching strategies (Redis or similar).

Education and attributes

·      Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience.

problem-solving