Senior Python GenAI Engineer, Pune, Maharashtra

About the Role:

We're building the next generation of intelligent applications powered by
LLMs and GenAI
. Join our AI product team as a
GenAI Engineer where
you’ll architect and implement APIs using
FastAPI
, create engaging frontends with
Angular
, and work with
MongoDB
as the primary data store. Your code will directly power AI experiences for real users.

What You’ll Do:
Build scalable and production grade AI systems involving big data queries.
Build MCP based Agentic AI chat bot dealing with intent classification, agent state management, etc.
Build scalable REST APIs in
FastAPI
to integrate with
LLM APIs
(OpenAI, Claude, Azure OpenAI, etc.)
Manage and query structured/unstructured data in
MongoDB
Work closely with AI engineers to productionize
GenAI use cases
(chatbots, summarization, classification, embedding search)
Design token-effective API interactions and manage rate limits with LLM providers
Optimize performance, latency, and reliability of AI-enhanced APIs
Maintain clean, secure,



and testable code across backend and frontend
Own end-to-end features: from UX to backend logic to API integration

Must-Have Skills:
7+ years of experience in
full stack development
Solid hands-on experience with
FastAPI
(or Flask/Django) and
Python 3.x
Strong hands-on experience with LangChain, LangGraph, Agentic AI and openAI LLM.
Strong hands-on experience with Multi Agentic AI systems.
Solid hands-on experience with MCP based AI architectures.
Solid experience with
MongoDB
(including schema design and aggregation pipelines)
Experience integrating with
LLM APIs
(e.g. OpenAI, Anthropic, Cohere, Mistral, Azure OpenAI, etc.)
Deep understanding of RESTful API design and best practices
Git, Docker, and familiarity with CI/CD pipelines

Nice to Have:
Familiarity with
prompt engineering
, embeddings, vector databases (like
Pinecone
,
FAISS
,
Weaviate
)
UI/ Angular knowledge.
Experience wo

📌 Senior Software Engineer Pune
🏢 Nielseniq
📍 Pune