We are seeking an experienced Python Backend Developer to design, build, and deploy scalable AI-powered applications using Retrieval-Augmented Generation, large language models, and agentic AI frameworks. The role will focus on delivering a production-grade RAG system and AI chatbot that can securely integrate with enterprise data, APIs, databases, and cloud services.

Task and deliverables:
Design the end-to-end architecture for a scalable RAG system and AI chatbot.
Develop Python backend services, REST APIs, and microservices using FastAPI or similar frameworks.
Build document ingestion, chunking, embedding, indexing, retrieval, and reranking pipelines.
Implement vector search solutions using Azure AI Search or comparable vector databases.
Design autonomous AI agents capable of planning, reasoning, tool usage, and decision-making.
Develop multi-step AI workflows using LangGraph, LangChain, CrewAI, AutoGen, or similar orchestration frameworks.
Integrate commercial and open-source LLMs, including Azure OpenAI, OpenAI, Anthropic Claude, Gemini, and comparable models.




Implement conversation memory, session management, context management, and agent collaboration patterns.
Connect AI workflows with APIs, databases, enterprise systems, and external tools.
Develop asynchronous, high-performance services capable of handling concurrent AI workloads.
Implement prompt management, structured outputs, guardrails, fallback logic, and model evaluation processes.
Establish logging, monitoring, tracing, observability, security, and error-handling standards.
Containerize and deploy AI services using Docker, Kubernetes, Azure, or AWS.
Translate business requirements into technical designs, delivery milestones, and production-ready AI solutions.
Collaborate with the wider team while independently owning architecture and implementation decisions.

Required experience:
8 or more years of professional Python backend development experience.
Solid experience designing REST APIs, microserv

📌 Python Backend Developer with RAG (India)
🏢 Toptal
📍 India