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Paul Kuruvilla

rohitpaulk
Python Rust
joined 6 years ago
staff
This user works at CodeCrafters

Ooh, profile pages can now contain descriptions! 😍

Challenges

Build your own grep
using Rust
Build your own grep
Learn about regex syntax: character classes, quantifiers and more
completed
Rust Zig Python Haskell
Build your own Interpreter
using Rust
Build your own Interpreter
Learn about tokenization, ASTs, tree-walk interpreters and more.
completed
Rust Python Go OCaml Kotlin
Build your own Claude Code
using Python
Build your own Claude Code
Learn about LLM APIs, tool calling, agent loops and more
completed
Python Rust
Build your own Docker
using Go, Ruby and Python
Build your own Docker
Learn about kernel namespaces, chroot, the registry API and more
5/6 stages
Python Ruby Go
Build your own DNS server
using Python, Java, C# and Rust
Build your own DNS server
Learn about the DNS protocol, DNS record types and more.
5/8 stages
Rust C# Java Python
Build your own HTTP server
using Rust, Haskell, C, Kotlin, Java, Dart and Python
Build your own HTTP server
Learn about TCP servers, the HTTP protocol and more
11/14 stages
Python Dart Java Kotlin C
Build your own SQLite
using Python, Ruby, Zig, Go and Gleam
Build your own SQLite
Learn about SQL syntax, SQLite's file format, B-trees and more
1/9 stages
Gleam Go Zig Ruby Python
Build your own Git
using Ruby, Java, C++, TypeScript, Kotlin, Rust and Python
Build your own Git
Learn about git objects, plumbing commands and more
4/7 stages
Python Rust Kotlin TypeScript C++
Build your own Kafka
using Python and Rust
Build your own Kafka
Learn about TCP servers, the Kafka wire protocol and more.
9/25 stages
Rust Python
Build your own BitTorrent
using Java, Elixir, Rust, Kotlin, Zig, Haskell, JavaScript, C, Python, Go and Ruby
Build your own BitTorrent
Learn about .torrent files, the BitTorrent Peer Protocol and more
10/19 stages
Ruby Go Python C JavaScript
Build your own Redis
using JavaScript, Haskell, Elixir, Crystal, TypeScript, Zig, C++, C, C#, Gleam, Ruby, Swift, OCaml, Rust, Python and Go
Build your own Redis
Learn about TCP servers, the Redis protocol and more
43/97 stages
Go Python Rust OCaml Swift
Build your own Shell
using JavaScript, Ruby, Elixir, Java, Go, Rust and Python
Build your own Shell
Learn about parsing shell commands, executing programs and more
43/59 stages
Python Rust Go Java Elixir
February 2026
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September 2022
May 2020
  • Joined CodeCrafters