Pune, India
Kaustubh Cholkar
Pune, India

Kaustubh Cholkar

25 years building software. Started with Java, Then ML, NLP and digital forensics for eDiscovery, Dart/Flutter, NodeJS, AWS, Cloud Infra, Payments, Security & Compliances, AI & LLMs for Self Ordering tech. Still write production code most days.

Current side project - OctoWhiz - a learning app for grade students, now on the App Store and Play Store. Looking to add a Hall of Shame of other side projects that never got published

Gareebon ka Bryan Johnson. I like to try all the fitness and wellness fads and see what helps. A late starter to fitness and wellness but did manage to get down from 28% body fat to 14%. Also can deadlift ~ 110 Kg.

Blog → About
Kaustubh Cholkar at his desk

Roles

Current and past.
Currently
  • Founder — XPR POS (Titbit Inc.)

    Self-ordering for hospitality — Kiosks, QR-code mobile ordering, Virtual Cashier - Talk To Order, Linebusting POS, KDS, ODB. Direct integrations with major POS & Payment gateways worldwide. 100+ Brands, 10+ Countries

  • Board Member — Maybole Technologies Pvt. Ltd.

    Non-executive seat on the board of Servient's India dev center.

Previously
  • Director of India Operations — Servient, Inc.

    Set up and ran Servient's India dev center — a 60-person team building the eDiscovery platform: document ingestion, ML-driven relevance identification, lawyer review workflows, production.

Coding activity

The last 12 months on GitHub.
828 contributions
200 active days
Public contributions and anonymized activity from private repositories. View GitHub profile →

Blog

All posts →
July 15, 2026

Claude tag or your own hosted agent: how to choose

Anthropic's Claude tag puts an agent in your Slack with no setup. A self-hosted Agent SDK deployment takes real work. This post helps you decide which one is the right fit for you

ai-agents · claude-tag · architecture · agent-sdk · xpr
July 7, 2026

How to automate routine image and video work with an AI agent

How to set up an agent that handles image edits, background removal, upscaling, and kiosk video assets from a Slack message - including the specific models we use for each job

ai-agents · automation · creative · image-models · xpr

Labs

Interactive study aids I build while learning something.

LLM Workshop Lab →

A hands-on companion to Justin Angel's Build Your Own LLM workshop. Play with temperature, top-K and top-P sampling, run a tiny language model in the browser, and quiz yourself chapter by chapter. Grows as I work through the lectures.

Index

Projects & links

Currently building
XPR POS
Self-ordering for the hospitality industry. Kiosks, QR-code mobile web ordering, Linebusting POS, Order Display Board, and Kitchen Display System. Most recent addition: Virtual Cashier on the kiosks — order by voice.
OctoWhiz
Students click pictures of their worksheets; the app turns them into flashcards, quizzes, and audio lessons, with gamified daily practice. Live on the App Store and Play Store.