Backend Developer

4 weeks ago

Gurugram, India BLJ TECH GEEKS Full time

Description : Responsibilities : API Development & Backend Engineering :- Design, develop, and maintain RESTful APIs using Node.js, Express.js, and OpenAPI Specification.- Build modular, reusable, and testable backend components for high-availability systems.- Own the full lifecycle of backend development - from planning to deployment and maintenance.Collaboration & Integration : - Collaborate with frontend developers to integrate user-facing components with server-side logic.- Work closely with product, engineering, and QA teams to define requirements, acceptance criteria, and technical solutions.- Participate in sprint planning, code reviews, and architectural discussions.Performance, Scalability & Reliability : - Optimize applications for maximum speed and scalability.- Implement caching strategies, load balancing, and efficient database queries to improve system performance.- Monitor and troubleshoot performance issues and bottlenecks.Quality Assurance & Best Practices : - Write clean, maintainable, and well-documented code following industry best practices.- Implement automated testing frameworks (unit, integration, API tests).- Ensure adherence to secure coding standards and data protection principles.- Maintain version control standards and deployment workflows (Git, CI/CD).Troubleshooting & Support : - Diagnose and resolve backend bugs, performance issues, and integration challenges.- Support production systems, perform root cause analysis, and implement preventive measures.Required Skills & Qualifications : - 3 - 6 years of hands-on experience as a Backend Developer using Node.js and Express.js.- Strong proficiency in designing and documenting APIs using OpenAPI Specification / Swagger.- Solid understanding of asynchronous programming, event-driven architecture, and Node.js internals.- Experience with relational or NoSQL databases (MySQL, PostgreSQL, MongoDB, Redis).- Proficiency in REST API design, authentication protocols (JWT, OAuth2), and API security principles.- Experience with API testing tools such as Postman, Newman, or similar.- Familiarity with cloud platforms (AWS, GCP, Azure) and containerization (Docker, Kubernetes) is an advantage.- Strong debugging, analytical, and problem-solving skills.- Excellent communication and collaboration abilities.Preferred Qualifications : - Experience in microservices architecture and distributed systems.- Knowledge of TypeScript and modern backend frameworks.- Familiarity with CI/CD pipelines (GitHub Actions, Jenkins, GitLab CI).- Experience with logging and monitoring tools (Winston, ELK, Grafana) (ref:hirist.tech)

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