• *About the Role** We are seeking a highly experienced **Senior Node.js Developer** with strong proficiency in **JavaScript** and **TypeScript** to lead backend development initiatives. This role requires hands-on expertise in building scalable, secure, and high-performance systems, along with the ability to guide junior developers and influence architectural decisions. • *Key Responsibilities** • Architect, design, and develop backend services using **Node.js**, **JavaScript**, and **TypeScript**. • Build scalable **RESTful APIs / GraphQL APIs** and microservices. • Optimize application performance, implement caching, and ensure system reliability. • Own end-to-end delivery:coding, testing, deployment, and monitoring. • Integrate with internal systems, third-party services, and cloud platforms. • Work with databases such as **MongoDB, PostgreSQL, MySQL, Redis**. • Enforce coding best practices, conduct code reviews, and ensure high code quality. • Troubleshoot production issues and provide root-cause analysis. • Collaborate with Product, QA, DevOps, and cross-functional teams. • Lead **API versioning,backward compatibility, and contract management** across multiple consumers. • Mentor junior and mid-level developers. • *Required Skills** • **6+ years** of strong hands-on experience with **Node.js**. • Expert-level proficiency in **JavaScript (ES6+)** and **TypeScript**. • Advanced proficiency in **Express.js**,**NestJS**, or similar frameworks. • Strong experience with **microservices architecture** and distributed systems. • Solid understanding of **asynchronous programming**, event-driven architecture, and design patterns. • Hands-on experience with **MongoDB**, **PostgreSQL**, **MySQL**, **Redis**, or similar databases. • Strong experience with **Git**,CI/CD pipelines, and containerization (**Docker**, Kubernetes is a plus). • Experience with cloud platforms (**AWS/Azure/GCP**) and serverless components. • Good exposure to unit testing frameworks (Jest, Mocha, Chai). • *Nice to Have** • Experience with **Kafka / SQS** or other message queues. • Knowledge of **GraphQL** • Knowledge on **Open Search** • API Documentation **with Swagger** • Familiarity with **infrastructure-as-code(**Terraform) • Exposure to **performance tuning**, load balancing, and caching strategies. • Experience working with **high-volume, low-latency systems**. • Some familiarity with frontend frameworks (React/Angular) is a bonus. • *Education** • Bachelors degree in Computer Science, Engineering, IT, or equivalent practical experience.