CheckiO
CheckiO operates gamified coding platforms where developers solve missions in Python and TypeScript, then review peers' solutions to deepen their learning. With over 50,000 monthly active players, the platform also serves schools through classroom progress tracking and offers companies recruitment services, custom in-game promotional islands, and API testing opportunities.
- Education Technology
- Gaming & eSports
- Developer Tools
- Software Only
- HR Technology
Funding
Funding not disclosed
Founders
Founder details are not available yet.
Product
Problem
Developers often struggle to maintain and improve their coding skills in engaging, practical ways, and traditional learning resources can feel disconnected from real-world problem-solving. Companies also face challenges in identifying and evaluating qualified coders for open positions, as well as effectively promoting technical products to a relevant developer audience.
Solution
CheckiO provides gamified coding platforms where developers solve missions in Python and TypeScript, then analyze how other members approached the same problems to deepen their learning. The platforms create a competitive, community-driven environment that keeps over 50,000 monthly active players engaged in skill improvement. Beyond individual learning, CheckiO offers companies tools for recruitment, candidate skill assessment, and product promotion—such as creating custom in-game islands (like the SendGrid island) that let developers test real APIs through hands-on missions. For schools, CheckiO provides Classroom features that let teachers track student progress and facilitate peer learning.
Target Audience
Primary users are individual developers seeking to improve Python and TypeScript skills, plus schools and universities using CheckiO as a supplementary learning tool; companies use the platform for recruitment, candidate assessment, and product promotion.
Features
- Mission-based coding challenges on py.checkio.org (Python) and js.checkio.org (TypeScript) with peer solution review
- Empire of Code, a space game combining strategy, tactics, and coding in a competitive format
- Custom in-game islands (e.g., SendGrid) where companies can have developers test their APIs and software in a gamified environment
- Recruitment services that match open job descriptions with actively job-seeking coders, providing CVs, progress data, and in-game solution histories
- Classroom tools for schools and universities with progress tracking and peer learning features
- More than half of all CheckiO users opt in to receive job propositions, enabling targeted talent outreach