# Codility

> Codility is a B2B SaaS platform for technical hiring that lets enterprises assess software engineers' real-world coding skills remotely and at scale. Founded in 2009 and bootstrapped for a decade before raising a $22M Series A in 2020, it offers automated coding assessments, live technical interviews and skills-intelligence tools used by teams at companies including GitHub, Tesla, SAP and Barclays. It is also known publicly for its free algorithm 'Lessons' that developers use to practice for interviews.

- **Founded:** 2009
- **Headquarters:** London, United Kingdom
- **Founders:** Grzegorz Jakacki (Founder & former CTO), Natalia Panowicz (Co-founder & CEO), Tomasz Walen (Co-founder (former))
- **Team size:** ~115-140 employees
- **Products:** CodeCheck (Screen), CodeLive (Interview), CodeEvent / Events, Talent / Skills Intelligence, AI Copilot in Interviews
- **Notable:** Raised $22M Series A in 2020 after a decade of bootstrapping, Assessed over 15 million developers across 20,000+ engineering teams, Launched what it billed as the first AI-resistant coding skills assessment library (2023)

## Products & services

- **CodeCheck (Screen)** — Automated, role-specific coding assessments to screen candidates before interviews, scored on correctness and performance across many languages.
- **CodeLive (Interview)** — Live technical interviews in a shared real-code editor with whiteboarding, pair programming, live execution and session recording.
- **CodeEvent / Events** — Gamified, high-volume coding events for campus recruitment and hackathons.
- **Talent / Skills Intelligence** — Verified skills mapping for existing engineering teams to identify gaps, benchmark and plan the workforce.
- **AI Copilot in Interviews** — Brings AI-assisted coding into technical interviews so teams can assess human-AI collaboration skills.
- **Codility Lessons** — Free public set of 17 structured algorithm lessons developers use to practice for coding interviews.

## Achievements

- Raised $22M Series A in 2020 after a decade of bootstrapping
- Assessed over 15 million developers across 20,000+ engineering teams
- Launched what it billed as the first AI-resistant coding skills assessment library (2023)
- Introduced the industry's first assessment of AI-assisted engineering skills
- COMPASS benchmark for AI-generated code accepted at ACM FORGE 2026
- Widely used free algorithm Lessons became a standard interview-prep resource

## Latest updates

- **2023-04** — Launched first AI-resistant coding skills assessment library; named Amy Millard CMO and Sacha Herrmann CFO.
- **2024** — Introduced AI Copilot in technical interviews to assess human-AI collaboration skills.
- **2025** — Expanded cheating/AI-detection: network and device monitoring plus typing-pattern analysis.
- **2026** — COMPASS benchmark for AI-generated code accepted at ACM FORGE 2026; Device Integrity for Screen desktop companion in private preview.

## Links

- Website: https://www.codility.com
- LinkedIn: https://www.linkedin.com/company/codility
- Twitter/X: https://twitter.com/codility
- YouTube: https://www.youtube.com/user/codility
- Facebook: https://www.facebook.com/Codility/

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Profile page: https://yespress.io/codility
Published by YesPress — https://yespress.io
Last updated: 2026-07-21