# CoderPad

> CoderPad is a San Francisco-based technical interview and assessment platform that lets engineering teams evaluate developers in a real, runnable coding environment instead of on a whiteboard. Founded in 2013 by ex-Google and Amazon engineer Vincent Woo, it pairs live collaborative interviews with asynchronous take-home screens across 40+ programming languages, and has hosted millions of technical interviews for thousands of companies. In 2021 it acquired CodinGame to add candidate assessments and a developer skill-building community.

- **Founded:** 2013
- **Headquarters:** San Francisco, California, United States
- **Founders:** Vincent Woo (Founder (former Google and Amazon engineer))
- **Team size:** ~90-100 employees (reported ~92)
- **Products:** CoderPad Interview, CoderPad Screen, CoderPad Sandbox, CodinGame Assessment
- **Notable:** Hosted millions of technical interviews across 40+ programming languages, Grew to 3,800+ customers from startups to enterprises, Secured growth investment from Summit Partners (2019)

## Products & services

- **CoderPad Interview** — A collaborative, real-time coding environment for live technical phone screens and remote paired-programming interviews in the browser, with a runnable IDE across 40+ languages and frameworks.
- **CoderPad Screen** — Asynchronous take-home coding assessments that let teams send candidates auto-scored tests across dozens of languages, frameworks and technical skills before a live interview.
- **CoderPad Sandbox** — A free practice environment where candidates can prepare and get comfortable with the CoderPad interface before an interview.
- **CodinGame Assessment** — Gamified candidate assessment and a global developer skill-building community, added through the 2021 acquisition of CodinGame.

## Achievements

- Hosted millions of technical interviews across 40+ programming languages
- Grew to 3,800+ customers from startups to enterprises
- Secured growth investment from Summit Partners (2019)
- Acquired CodinGame in October 2021 to build an end-to-end technical hiring platform
- Acquired AdaptiLab (machine learning / data science interviewing tools) in 2021
- Highly rated on G2 as a live-coding interview platform

## Latest updates

- **2021-10** — CoderPad acquired CodinGame to combine live interviews with candidate assessments and a developer community, forming an end-to-end technical hiring platform.
- **2021-06** — Acquired AdaptiLab to add machine learning and data science interviewing capabilities.
- **2025-09** — Positioned in industry comparisons of AI-assisted live technical interview IDEs alongside HackerRank and CodeSignal.

## Links

- Website: https://coderpad.io
- LinkedIn: https://www.linkedin.com/company/coderpad
- Twitter/X: https://twitter.com/coderpad
- Facebook: https://facebook.com/coderpad/

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Profile page: https://yespress.io/coderpad
Published by YesPress — https://yespress.io
Last updated: 2026-07-15