Vivek Raj
AI ENGINEER @ 3I-INFOTECH | EX-INTERN @ HPCL | DATA SCIENCE AND PROGRAMMING- IIT MADRAS | MACHINE LEARNING | NLP | PYTHON | SQL
- Role
- Ai Engineer at 3i Infotech Ltd.
- Location
- Mumbai, IN
- LinkedIn followers
- 500 followers
About Vivek Raj
I’m an AI/ML Engineer passionate about building intelligent, scalable systems that bring…
Experience
Ai Engineer
Mar 2025 — Present · Mumbai, IN
Fine-tuned a 1.5B LLM using QLoRA on a 5k+ domain data, cutting memory use by 30% via 4-bit quantization and LoRA. Built a RAG-based PDF query system using LLMs, LangChain & ChromaDB, enabling fast semantic search with 85%+ relevance. Developing an AI agent to auto-generate Spring Boot web apps and a multi-agent Chat UI for task-specific conversations. Utilized Hugging Face Transformers, PEFT, LangChain, LangGraph & bitsandbytes for scalable LLM workflows.
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