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pulk17/README.md
Pulkit Chauhan. C++ systems engineer who contributes to databases and core C++ libraries. Final-year computer science student at UPES, open to software engineering roles from January 2027. Open-source work drawn as branches merging into main: ClickHouse (4 merged, 4 in review); Microsoft STL (1 in review); CCExtractor (22 merged); Boost. Upstream C++ PRs to ClickHouse, Boost and Microsoft STL. Peak Codeforces rating 1986, Candidate Master. Google Summer of Code 2026 with CCExtractor.

Open source

Merged into ClickHouse, OpenCV and CCExtractor. In review at Microsoft STL.

Project Contributions
ClickHouse
50.9k stars		 ✓ Add polygonMinimumRotatedRectangleCartesian, exteriorRing, interiorRingN and pointN
✓ Accept _ and non-ASCII letters in regexp group names
✓ Add lengthCartesian, lengthSpherical and lengthSpheroid functions
✓ boost: Fix the quadrant of sin_cos_degrees for negative angles
+4 more
OpenCV
91.5k stars		 ✓ Fix getRectSubPix for windows that cross the image border
Microsoft STL
11.2k stars		 ○ Add tests for LWG-4267 Uses-allocator construction is meaningless for tuple of references
CCExtractor
31 stars		 Google Summer of Code 2026: built sample-platform's REST API and the web console on top of it
22 merged sample-platform

✓ merged ○ in review Kept up to date from GitHub by a scheduled workflow. Latest activity 8 Nov 2026.

Projects

PitchFork: rebuilds the live order book for every stock from a full day of raw NASDAQ ITCH 5.0 data, then tests trading signals on it. 8.9 million messages a second on one laptop core. A 46 KB WebAssembly build runs in the browser. The drawing shows one 36-byte Add Order message, field by field, turning into a new level in the AAPL book. Built with C++17, WebAssembly and Linux.

Source Live demo

k8n: a visual IDE for Kubernetes. Draw your app as a graph; k8n writes the YAML, shows the diff and deploys only after you approve it. One binary for Windows, macOS and Linux. An AI assistant proposes fixes that you approve. The drawing shows Ingress, Service and Deployment nodes, with a new ConfigMap waiting for approval. Built with Go, Next.js and Kubernetes.

Source Try the editor

Undercover: a real-time multiplayer party game. Friends join from their phones, and the server runs every round so nobody can cheat. Live rooms synced over Socket.IO; deployed and playable from any phone browser. The drawing shows six phones around the server, one sending a vote. Built with TypeScript, Socket.IO and Redis.

Source Play it

Also: Band-Former turns a song into guitar tab you can actually play. PyTorch models pick out the notes, then a C++ search chooses fingerings a real hand can reach.

Contact

Email LinkedIn Codeforces LeetCode Website

Pinned Loading

  1. NASDAQ-ITCH-OrderBook NASDAQ-ITCH-OrderBook Public

    HTML

  2. k8n k8n Public

    TypeScript 1 2

  3. Band-Former Band-Former Public

    Python

  4. opencv/opencv opencv/opencv Public

    Open Source Computer Vision Library

    C++ 91.5k 57.1k

  5. ClickHouse/ClickHouse ClickHouse/ClickHouse Public

    ClickHouse® is a real-time analytics database management system

    C++ 50.9k 9.3k

  6. CCExtractor/sample-platform CCExtractor/sample-platform Public

    CCExtractor's Sample & CI platform. Originally developed during GSoC 2016

    Python 31 91