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Leo Kovačević

leo3651
TypeScript
joined 2 years ago

Challenges

Build your own grep
using TypeScript
Build your own grep
Learn about regex syntax: character classes, quantifiers and more
completed
TypeScript
Build your own Kafka
using TypeScript
Build your own Kafka
Learn about TCP servers, the Kafka wire protocol and more.
completed
TypeScript
Build your own HTTP server
using TypeScript
Build your own HTTP server
Learn about TCP servers, the HTTP protocol and more
completed
TypeScript
Build your own DNS server
using TypeScript
Build your own DNS server
Learn about the DNS protocol, DNS record types and more.
completed
TypeScript
Build your own Git
using TypeScript
Build your own Git
Learn about git objects, plumbing commands and more
completed
TypeScript
Build your own SQLite
using TypeScript
Build your own SQLite
Learn about SQL syntax, SQLite's file format, B-trees and more
completed
TypeScript
Build your own BitTorrent
using TypeScript
Build your own BitTorrent
Learn about .torrent files, the BitTorrent Peer Protocol and more
completed
TypeScript
Build your own Redis
using TypeScript
Build your own Redis
Learn about TCP servers, the Redis protocol and more
completed
TypeScript
Build your own Claude Code
using TypeScript
Build your own Claude Code
Learn about LLM APIs, tool calling, agent loops and more
completed
TypeScript
Build your own Shell
using TypeScript
Build your own Shell
Learn about parsing shell commands, executing programs and more
50/59 stages
TypeScript
Build your own Interpreter
using TypeScript
Build your own Interpreter
Learn about tokenization, ASTs, tree-walk interpreters and more.
0/84 stages
TypeScript
March 2026
January 2026
November 2025
January 2025
December 2024
November 2024
October 2024
September 2024
  • Joined CodeCrafters