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-efficient 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.
- Strong 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