Paul

Challenges

Build your own DNS server

using Python

Learn about the DNS protocol, DNS record types and more.

completed

Build your own Redis

using Python

Learn about TCP servers, the Redis protocol and more

44/124 stages

Build your own HTTP server

using Python and Go

Learn about TCP servers, the HTTP protocol and more

11/14 stages

Build your own Kafka

using Rust

Learn about TCP servers, the Kafka wire protocol and more.

18/25 stages

Build your own grep

using Rust

Learn about regex syntax: character classes, quantifiers and more

14/33 stages

Build your own Claude Code

using Python

Learn about LLM APIs, tool calling, agent loops and more

6/18 stages

• Started the Build your own Claude Code challenge using Python

• Started the Build your own grep challenge using Rust

• Started the Build your own Kafka challenge using Rust

• Started the Build your own Redis challenge using Python

• Completed the Build your own DNS server challenge using Python

• Started the Build your own HTTP server challenge using Python

• Started the Build your own HTTP server challenge using Go

• Joined CodeCrafters