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Achievement: QuickdrawAchievement: Pull Sharkx2Achievement: YOLO

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IsbatBInHossain/README.md

Isbat Bin Hossain

Backend developer with a full-stack background. I enjoy building web apps and APIs, and lately I've been going deeper into how things work at the system level.

Projects

  • nodechess — Real-time multiplayer chess. WebSockets, Redis for session caching, React frontend.
  • create-x-lite — CLI for scaffolding production-ready Express.js projects. Inspired by create-vite.
  • codenotes — Browser-based coding environment with a sandboxed JS runtime and markdown editor.
  • portzap — CLI tool for managing and killing processes on specific ports.
  • imalloc — Custom memory allocator in C. First-fit free list, coalescing, mmap support.
  • ishell — Unix shell from scratch. Pipelines, I/O redirection, background processes.

Stack

Languages: C, Go, JavaScript, TypeScript, Python
Backend: Node.js, Express, Django, Go
Frontend: React, Next.js
Databases: PostgreSQL, MongoDB, Redis
Other: Docker, Linux, WebSockets

Outside of Code

Reading, long walks, music.

Portfolio · LinkedIn · Email

Pinned Loading

  1. nodechess-game-server nodechess-game-server Public

    Real-time multiplayer chess backend — WebSockets, Redis for live game state & matchmaking, PostgreSQL for persistence, Docker.

    JavaScript

  2. create-x-lite create-x-lite Public

    A modern, interactive CLI for scaffolding production-ready Express.js projects. Inspired by create-vite.

    JavaScript 11

  3. imalloc imalloc Public

    A custom memory allocator in C — first-fit free list, block splitting, coalescing, and mmap support.

    C

  4. ishell ishell Public

    Unix shell built from scratch in C — REPL, pipelines, I/O redirection, background processes, quote parsing. POSIX only.

    C

  5. codenotes codenotes Public

    Browser-based coding notebook — sandboxed JS runtime via esbuild-wasm, importable npm libraries, React component rendering, and markdown cells.

    TypeScript

  6. portzap portzap Public

    CLI tool to find and kill processes on a given port. For when zombie Node servers won't die.

    JavaScript