Server Programming Challenges

Build real network servers, solve protocol challenges, and join a community of developers

Join Our Growing Community

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Unique Challenges
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Active Developers
0k
Total Submissions

New to Protohackers?

Follow our guided learning path from beginner to expert

1
Start Simple
Begin with the Smoke Test
2
Learn Protocols
Master TCP, UDP, and JSON
3
Build Complex Systems
Create distributed applications
4
Compete
Race for the fastest solutions

How The Challenges Work

  • Get the Spec: Each challenge provides a detailed protocol specification
  • Code Your Server: Implement the server in any language you prefer
  • Host & Submit: Deploy your solution and submit the endpoint URL
  • Automatic Testing: Our system tests your server thoroughly
  • Climb the Leaderboard: Compete for the fastest solve times globally

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