# Shreyan Basu Ray

> Machine learning engineer based in India who ships production AI systems for
> finance and healthcare, costs them before the build, and measures them after
> real users arrive. Technical author at Weights & Biases and founder of the
> Claude Developers India community.

## Who

- Name: Shreyan Basu Ray
- Role: Machine learning engineer, independent consultant
- Location: India (Delhi / Kolkata)
- Contact: basurayshreyan@gmail.com
- Site: https://shreyanbasuray.com

## What he is known for

- Production AI systems that are costed layer by layer before any code is written
- Measuring model and system behaviour after deployment rather than at benchmark time
- Responsible AI: authored The Architect's Handbook: Engineering Responsible AI
- C-RAI, a certification framework for responsible AI sent to MeitY and NASSCOM
- Agent Complexity Theory, a working paper on choosing agent architectures before building
- Founder of Claude Developers India (600+ builders)
- Author of 17+ technical articles for Weights & Biases

## Representative results

- Enterprise voice agent running at Rs 2.29 per minute all-in at production quality
- NL2SQL system rebuilt from Rs 95,000 to Rs 35,000 a month of vendor spend
- Corporate distress metric corrected by fixing the label definition, not the model
  (92.155% current-year distress flagging, 187 spurious labels removed)
- A calling product where the recommendation was to stop the build: all nine
  recordings were 8 kHz mono, so barge-in could not be measured at all

## Pages

- https://shreyanbasuray.com/ - overview, current work, selected case studies
- https://shreyanbasuray.com/work/ - four production AI case studies in detail
- https://shreyanbasuray.com/consulting/ - six engagement types and how they run
- https://shreyanbasuray.com/writing/ - articles, papers, book and policy work
- https://shreyanbasuray.com/about/ - background and working principles

## Profiles

- https://github.com/Shreyan1
- https://linkedin.com/in/shreyanbasuray
- https://x.com/theengineerboy1
- https://scholar.google.com/citations?user=vih7SfEAAAAJ&hl=en
- https://wandb.ai/basurayshreyan
- https://www.npmjs.com/~shreyanbr
- https://huggingface.co/shreyanbr
- https://www.mathworks.com/matlabcentral/profile/authors/23980008
- https://pypi.org/user/shreyanbr/