Vekash S

About Vekash S

I am a GenAI Engineer focused on bridging the gap between prototype and production. I…

Experience

1. Associate Generative Ai Engineer

   Aivar Innovations

   Mar 2025 — Present · Coimbatore, IN

   GenAI/ML Engineer at AIVAR building LLM solutions on AWS with LangChain/LangGraph, Hugging Face, LiveKit (Multimodal - Chat, Voice, Visual), prompt engineering, fine-tuning, testing, and MLOps/LLMOps, focused on shipping reliable RAG-backed applications in fast-paced, customer-facing environments.Extensive work in advanced Chat & Voice AI Agents and RAG: • retriever routing • multi-hop reasoning • tool-using agents • query rewriting • hybrid search across vector stores/SQL/web APIs/GraphDB • and reranking to boost precision and reduce hallucinations.Deliver domain copilots and assistants across BFSI (KYC/compliance, internal knowledge bases, investment research) and broader sectors, alongside enterprise-grade voice bots for banking customer service and transactional workflows.Own end-to-end RAG pipelines from data prep and chunking to evaluation and observability, applying groundedness/faithfulness metrics, iterative root-cause analysis, and RAGOps practices for continuous quality and performance improvements.Responsibilities include preparing and reviewing technical documentation across multiple projects (e.g, implementation notes, runbooks, SOW-aligned artifacts) to ensure clarity, consistency, and production readiness.

Education

• National Public School, Namakkal.

  Highschool AISSCE, Mathematics and Informatics practices

• National public school, Namakkal.

  Secondary Schooling AISSE

• Kumaraguru College of Technology

  Bachelor's degree, Electronics and Communications Engineering

  2020 — 2024

• Indian Institute of Technology, Madras

  Bachelor of Science - BS, Data Science and Application