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AI Backend Engineer | Python | FastAPI | LLM | RAG (Chennai)

Optimum Solutions · Chennai

📅 15/08/2026
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- Work Type: Work from Office Mandatory, Monday to Friday - Work Timing: 9:00 AM to 6:00 PM - Work Location: Chennai Ramanujam IT Tech Park, Thiruvanmiyur and/or Client Office Premises - Notice Period: Immediate Joiners preferred; maximum 30 days - Experience: 8-12 Years Role: We are looking for an experienced Backend / AI Engineer with strong expertise in Python-based backend development and hands-on experience in Generative AI, LLM integration, RAG, and AI application development. Must Have: - Strong experience in Python and Quick API - REST API design and development - Hands-on experience with PostgreSQL or MySQL - GenAI / LLM API integration - Experience implementing RAG solutions - Experience with LangChain, LangGraph, or similar frameworks - Basic prompt engineering / prompt design - Strong development experience using Git - Experience in developing scalable backend applications Good to Have: - Experience with Azure OpenAI / Azure AI Search - Application development on AWS or Azure - Hands-on experience with Docker - Experience in AI Agent / Multi-Agent development - Asynchronous processing and streaming - Experience with AI application deployment and integration Ability to Learn & Adopt: - Evaluation, logging, monitoring, and tracing of AI applications - AI Ops and identification of accuracy degradation or abnormal AI behaviour - Understanding of AI security, authorization, and access control - AI application cost monitoring and optimization - Ability to quickly learn and adopt new AI/Cloud technologies - Strong problem-solving and analytical skills Key Responsibilities: - Design and develop scalable backend services using Python/Fast API. - Build and integrate GenAI/LLM-powered applications. - Develop RAG-based solutions and AI-driven workflows. - Design and integrate REST APIs and databases. - Develop AI Agents and Multi-Agent solutions where required. - Implement logging, monitoring, evaluation, and tracing for AI applications. - Ensure application security, authorization, performance, and cost efficiency. - Collaborate with technical teams and client stakeholders to deliver AI solutions. Preferred Candidate A strong Backend / AI Engineer who combines solid software engineering fundamentals with practical experience in GenAI, LLMs, RAG, Cloud, and AI application development, and is comfortable working in a client-facing, work-from-office environment. .
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