Senior Node JS Developer

Key Responsibilities
Architect & develop scalable backend services, APIs (REST/GraphQL), and microservices using Node.js and modern JavaScript/TypeScriptDesign data models and optimize database performance across SQL/NoSQL systems with proper indexing, caching, and migration strategiesLead technical initiatives including system architecture decisions, code reviews, and mentoring junior developersEnsure system reliability through comprehensive testing, monitoring, logging, and performance optimizationCollaborate cross-functionally with frontend, DevOps, and product teams to deliver end-to-end solutionsRequired Qualifications6+ years of production experience with Node.js, JavaScript (ES6+), and TypeScriptFramework expertise: Express, NestJS, Fastify, or Koa with deep understanding of middleware, routing, and plugin ecosystemsDatabase proficiency: PostgreSQL/MySQL, MongoDB; experience with ORMs (Prisma, TypeORM, Sequelize) and query optimizationAPI development: RESTful services, GraphQL, OpenAPI/Swagger, authentication (OAuth2/JWT), rate limiting, and security best practicesSystem design: event-driven architecture, message queues