Node.js Developer

Key Responsibilities

• Design and develop scalable backend services using Node.js and modern JavaScript/TypeScript.
• Build, enhance, and maintain REST APIs, GraphQL APIs, and microservices.
• Write high-quality, modular, and reusable code following best engineering practices.
• Participate in high-level architecture discussions and design end-to-end backend solutions.
• Implement distributed, event-driven, or microservices-based systems.
• Ensure performance, scalability, and reliability of backend applications.
• Design and optimize databases (SQL or NoSQL).
• Write efficient queries, handle indexing, and support database schema design.
• Work with databases such as PostgreSQL, MySQL, MongoDB, Redis, etc.
• Build secure and robust APIs for internal and external integrations.
• Ensure proper API documentation, versioning, and performance optimization.
• Work with CI/CD pipelines for automated build, testing, and deployment.
• Deploy applications on cloud platforms such as AWS, Azure, GCP.
• Use Docker/Kubernetes for containerization and orchestration.
• Implement best security practices including authentication, authorization, and data protection.
• Ensure adherence to security guidelines, compliance standards, and audit requirements.
• Write unit tests, integration tests, and work closely with QA teams.
• Use testing frameworks (Jest, Mocha, Chai) for maintaining code quality.
• Diagnose performance issues and resolve production defects.
• Conduct root cause analysis and implement long-term fixes.
• Mentor junior developers and guide teams in technical decision-making.
• Collaborate with product managers, front-end developers, and cross-functional teams.
• Participate in Agile ceremoniesstandups, sprint planning, and retrospectives.
  

Required Skills & Expertise

• Deep expertise in Node.js, JavaScript, and TypeScript.
• Strong experience with backend frameworks like Express.js, NestJS, or Hapi.js.
• Solid understanding of microservices architecture.
• Strong knowledge of REST APIs, GraphQL (optional), and asynchronous programming.
• Proficiency with SQL databases (MySQL, PostgreSQL) and NoSQL databases (MongoDB, Cassandra).
• Experience with caching systems (Redis, Memcached)
• Experience with message queues (Kafka, RabbitMQ, SQS).
• Knowledge of system design, API performance tuning, scalability, and reliability.
• Familiarity with distributed systems and event-driven architectures.
• Strong understanding of testing frameworks (Jest, Mocha, Chai).
• Experience with API monitoring and performance tools.
• Excellent communication and interpersonal skills.
• Strong leadership capabilities and ability to mentor team members.
• Analytical and problem-solving mindset.
• Ability to work in a fast-paced, dynamic environment.