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singhavishek/README.md

Hi, I'm Avishek 👋

Senior AI Engineer · Physicist by training · I build production LLM and agentic systems.

LinkedIn Email


I'm an AI engineer architecting the orchestration, tracing, and evaluation stack of a production multi-agent platform, covering RAG pipelines, tool calling, guardrails, gold-label datasets, and CI release gates. Five years of production AI sit behind that: agentic systems, LLM fine-tuning and deployment, retrieval, and observability for generative AI, plus earlier work on fraud detection at millions of transactions a day.

I did my PhD in physics, building unsupervised deep neural networks for quantum many-body systems, including a new approach to the Fermion Sign Problem. I still think the most interesting problems live where rigorous mathematics meets messy production engineering.

What I'm into

  • Agentic AI: multi-agent orchestration (pydantic-graph, LangGraph), tool calling, human-in-the-loop
  • Eval & observability: tracing, scorer harnesses, gold-label datasets, CI release gates
  • RAG & retrieval: ingestion, retrieval, and response evaluation over enterprise knowledge bases
  • LLM fine-tuning: managed fine-tuning on Azure OpenAI, QLoRA / LoRA / PEFT for domain tasks
  • Computer-use & automation: perception, planning, and action loops driving legacy systems with no API
  • The physics → AI bridge: equivariant networks, the Fermion Sign Problem, deep learning for quantum systems

Selected work

Agentic AI

  • Sutra: a graph linking code, decisions, and sessions that Claude Code can query
  • Shopping chat agent: a conversational commerce agent

Enterprise LLM & RAG

Physics → AI

Tech I reach for

Languages
Python C++ SQL

GenAI & agents
LangChain LangGraph LlamaIndex Pydantic MCP Hugging Face

LLMs & fine-tuning
OpenAI Claude Gemini Llama QLoRA

ML / deep learning
PyTorch TensorFlow JAX scikit-learn NumPy pandas

Data & MLOps
PostgreSQL pgvector PySpark Docker MLflow Arize Phoenix

Cloud
AWS Azure


📊 GitHub stats

stats top langs


Currently exploring how far you can push agentic systems before the abstractions leak.

Popular repositories Loading

  1. singhavishek.github.io singhavishek.github.io Public

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  2. singhavishek singhavishek Public

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