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View M4SS's top competitors like CoderPad, Coderbyte, and Codility.

Toptal
With over $5 billion in global payments, $200 million in annual revenue, 70k contracts signed — Toptal is the world’s largest fully remote workforce.
San Francisco, California, US
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$628M Revenue
https://www.toptal.com/
6.5K Employees
HackerRank
HackerRank is a technology hiring platform that is the standard for assessing developer skills for 2500+ companies around the world. HackerRank helps companies hire skilled developers and innovate faster by enabling tech recruiters and hiring managers to objectively evaluate talent at every stage of the recruiting process.
Mountain View, California, US
Private
$221.2M Revenue
https://www.hackerrank.com/
2.2K Employees
Codility
Codility is the #1 partner for global enterprises using skill-based assessments to build strong engineering teams. Our technical assessment and interviewing platform helps you make evidence-based hiring and talent management decisions so you can build a future-ready team.
UK
Private
$36.8M Revenue
http://codility.com
107 Employees

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