Role : Senior Backend Developer (Node.js) JOB ID:
JOB008 Key Responsibilities Lead end-to-end development and
delivery of client projects. Design scalable backend systems using
asynchronous processing, Redis caching, queues, and real-time
communication. Build and manage complex API and third-party
integrations. Ensure production reliability, performance, security,
and code quality. Lead client discussions, technical planning,
estimations, and project delivery. Mentor junior developers,
conduct code reviews, and drive engineering best practices.
Required Qualifications 5-7 years of backend/full-stack development
experience, preferably in a Senior or Lead role. Robust expertise
in Node.js, TypeScript, and Express.js. Production experience with
MongoDB, PostgreSQL, and Redis. Hands-on experience with RabbitMQ,
BullMQ, Kafka, or AWS SQS. Knowledge of WebSockets, Pub/Sub, REST
APIs, and scalable SaaS architecture. Experience with AWS/GCP,
Docker, and production deployments. Strong technical leadership,
client communication,



and problem-solving skills. Preferred
Qualifications (Optional) Experience with Generative AI, LLMs, RAG,
and Agentic AI. Familiarity with LangChain, LangGraph, vector
databases, and voice AI platforms. Knowledge of React.js/Next.js,
Kubernetes, Terraform, and MCP servers. Experience building
production-grade AI-powered SaaS applications. Soft Skills
Excellent problem-solving and analytical thinking. Strong
communication skills in English. Ability to manage multiple
workstreams and shifting priorities. Client service mindset with
attention to detail. Adaptability and a startup mentality. Why Join
Us: Opportunity to work with a dynamic team in fascinating
projects. 5 days office (Monday to Friday) with Flexible timings.
We offer competitive compensation alongside standard security
benefits, including Provident Fund (PF) contributions and
comprehensive Mediclaim/ESIC coverage.

📌 - Senior Backend Developer - Node.js (West Bengal)
🏢 Insightstap Solutions
📍 West Bengal