Role: Senior Backend Developer (Node.js)

JOB ID:JOB008

About the Role

We are seeking a Senior Backend Engineer to manage client engagements from inception to completion. You will be responsible for architecting, building, and operating distributed systems and production-ready AI/SaaS pipelines for our global clientele.

Key Responsibilities

- Backend & AI Architecture: Develop asynchronous pipelines (queues, workers), implement Redis caching strategies, and build real-time Pub/Sub systems for LLM workloads.
- AI Orchestration: Design and scale production Retrieval-Augmented Generation (RAG) and agentic workflows using frameworks like LangChain or LangGraph.
- Technical Leadership: Lead technical scoping discussions with clients and provide mentorship to 2-3 junior developers.

Required Qualifications

- Experience: A minimum of 5 years in web development, with at least 2-3 years of hands-on experience using Node.js and TypeScript.
- Tech Stack Proficiency: Demonstrated expertise in Node.js, Express,



PostgreSQL/MongoDB (including vector databases), Redis, and messaging queues (e.g., RabbitMQ, BullMQ, Kafka).
- AI & Cloud Experience: A proven history of successfully deploying at least one production AI feature within the last 12-18 months. Solid experience with Docker and cloud platforms such as AWS or GCP

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 perks, including Provident Fund (PF) contributions and comprehensive Mediclaim/ESIC coverage.

📌 Senior Backend Developer (Node.js) (Kolkata)
🏢 Insightstap Solutions
📍 Kolkata