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Full Stack Engineer

📍 India

Technology Zosma AI

Job Description

We're looking for a talented Full Stack Engineer to join our team and help us build the future of Voice AI!

You'll be working on cutting-edge AI solutions, combining backend excellence with intelligent AI integrations. This is a hybrid position based in Thane, where you'll have the opportunity to work on:

- Build scalable backend services using Node.js (Express/Fastify) or Python (FastAPI) - Design and optimize PostgreSQL databases and Redis caching layers - Containerize applications with Docker and orchestrate with Kubernetes

& - Train and fine-tune foundation AI models - Design and implement RAG (Retrieval-Augmented Generation) pipelines - Develop AI personas with advanced personalization - Customize image and video generation models - Integrate LangChain, Langgraph, Mastra AI, and Vercel AI SDK

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- 3+ years of professional backend development experience - Strong expertise in Node.js (Express or Fastify) - Hands-on experience with PostgreSQL, Redis, Docker, and Kubernetes - Experience with AI frameworks and libraries (LangChain, LangGraph, Mastra AI, or Vercel AI SDK) - Problem-solving mindset and passion for AI-driven solutions - Experience with distributed systems and scalable architecture

We're a fast-growing startup building a Voice AI platform that empowers businesses to create intelligent chat and voice agents without the complexity. We also provide custom AI solutions across BFSI, Real Estate, E-commerce, Healthcare, Education, and more.

Salary: Up to ₹18 LPA (based on experience) Location: Thane (Hybrid) Impact: Work on enterprise-grade AI solutions from day one Growth: Join a fast-growing AI startup

Ready to Apply?

Don't miss this opportunity! Apply now and join our team.

Job Details

Posted Date: February 25, 2026
Job Type: Technology
Location: India
Company: Zosma AI

Ready to Apply?

Don't miss this opportunity! Apply now and join our team.