Senior Node js Engineer

1 day ago

Ernakulam, India iLeaf Solutions Full time

We are seeking a Senior Engineer with 6+ years of production experience to architect, build, and scale backend services. You'll design robust APIs, optimize system performance, and lead technical initiatives while ensuring security, reliability, and maintainability across our technology stack.

Key Responsibilities


• Architect & develop scalable backend services, APIs (REST/GraphQL), and microservices using and modern JavaScript/TypeScript


• Design data models and optimize database performance across SQL/NoSQL systems with proper indexing, caching, and migration strategies


• Lead technical initiatives including system architecture decisions, code reviews, and mentoring junior developers


• Ensure system reliability through comprehensive testing, monitoring, logging, and performance optimization


• Collaborate cross-functionally with frontend, DevOps, and product teams to deliver end-to-end solutions

Required Qualifications


• 6+ years of production experience with , JavaScript (ES6+), and TypeScript


• Framework expertise: Express, NestJS, Fastify, or Koa with deep understanding of middleware, routing, and plugin ecosystems


• Database proficiency: PostgreSQL/MySQL, MongoDB; experience with ORMs (Prisma, TypeORM, Sequelize) and query optimization


• API development: RESTful services, GraphQL, OpenAPI/Swagger, authentication (OAuth2/JWT), rate limiting, and security best practices


• System design: event-driven architecture, message queues (Kafka/RabbitMQ), caching (Redis), and microservices patterns


• Testing & quality: unit/integration testing with Jest or equivalent; focus on critical path coverage and fast CI feedback


• DevOps integration: containerization (Docker), CI/CD pipelines, cloud platforms (AWS/GCP/Azure)

Technical Leadership Skills


• Architectural thinking: Design scalable systems considering performance, security, and maintainability


• Code quality advocacy: Establish coding standards, conduct meaningful code reviews, and promote best practices


• Performance optimization: Profile applications, identify bottlenecks, and implement efficient solutions


• Security mindset: Implement secure coding practices, manage secrets, and follow OWASP guidelines


• Monitoring & observability: Structured logging, metrics collection, and troubleshooting production issues

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