Rajat Jain

AI Engineer with 1.5+ years of experience designing and deploying production-grade Generative AI applications, enterprise RAG systems, and multimodal AI workflows. Experienced in building scalable AI automation platforms using Python, FastAPI, LangChain, LangGraph, Qdrant, and modern LLM frameworks. Passionate about AI system design, backend engineering, and developing reliable enterprise AI products.

AI Engineer at Tata Consultancy Services (Apple Account) (2025-01 – Present)

• Designed and deployed a multimodal AI pipeline that transformed meeting recordings into standardized Product Design Documents (PDDs) using Whisper ASR, Gemini LLM, and Gemini Vision, automatically generating structured documentation, contextual summaries, representative screenshots, and flow diagrams while reducing manual documentation effort by over 40%.
• Designed and developed an enterprise AI knowledge platform integrated with Slack that ingested GitHub repositories, Quip pages, Box documents, PDFs, source code, and internal documentation into Qdrant, enabling semantic search, source-backed knowledge retrieval, developer onboarding, policy lookup, Meeting Minutes (MoM) generation, action-item extraction, project progress tracking, and retrieval of similar historical issues.
• Developed production-grade FastAPI microservices with Pydantic validation, session management, and REST APIs to support scalable enterprise AI workflows and concurrent document processing.
• Optimized prompt engineering workflows and LLM inference pipelines, improving response quality by 25% while reducing operational costs by 20%.

ML Intern at HexnBit pvt ltd (Training) (2023-06 – 2023-08)

• Developed and evaluated a Brain Stroke Prediction model using Scikit-learn, performing feature engineering, preprocessing, model selection, and hyperparameter tuning.
• Collaborated within a four-member team, owning data preprocessing and feature engineering while delivering the solution ahead of schedule.

Bachelor of Technology in AI-ML-DL – Teerthanker Mahaveer University (2020 – 2024)