AI Backend Engineer | Python | FastAPI | LLM | RAG

• 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 Fast 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.