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C1STA/README.md

Hi, I'm Walid

Software developer and student at 42 Paris

I build software from low-level systems and network services to modern, full-stack web applications.

Currently looking for a software engineering internship where I can contribute to backend, systems, or full-stack projects.

Email Walid Cista Walid Cista on LinkedIn

C C++ TypeScript Docker Linux

Selected work

Project What it demonstrates
VS MODE A full-stack competitive platform with React, Fastify, PostgreSQL, Redis, WebSockets, matchmaking, ELO rankings, and real-time social features.
ft_irc A multi-client IRC server in C++98 using non-blocking sockets and a poll()-driven event loop.
Minishell A Bash-inspired shell in C with parsing, expansion, pipelines, redirections, builtins, signals, and process management.
cub3D A Wolfenstein 3D-inspired raycasting engine written in C with MiniLibX and X11.
Inception A containerized WordPress infrastructure built from custom NGINX, PHP-FPM, and MariaDB images.
C++ Modules A curated collection of 34 C++98 exercises covering OOP, resource management, templates, STL containers, and algorithms.

Technical focus

  • Systems: C, C++98, Unix processes, signals, sockets, concurrency
  • Web: TypeScript, React, Node.js, Fastify, REST, WebSockets
  • Data: PostgreSQL, Redis, Drizzle ORM
  • Infrastructure: Linux, Docker Compose, NGINX, Git, GitHub Actions

More projects

  • Philosophers — multithreading, mutex synchronization, starvation detection, and timing
  • push_swap — operation-efficient sorting with two linked stacks and a cost-based insertion strategy

Pinned Loading

  1. ft_transcendence ft_transcendence Public

    Full-stack competitive platform with real-time social features, matchmaking, ELO ladders, and dispute arbitration.

    TypeScript

  2. ft_irc ft_irc Public

    A multi-client IRC server in C++98 built on non-blocking sockets and a poll-driven event loop.

    C++

  3. minishell minishell Public

    A Bash-inspired shell in C with parsing, pipelines, redirections, expansion, builtins, and signal handling.

    C

  4. cub3d cub3d Public

    A Wolfenstein 3D-inspired raycasting engine built in C with MiniLibX and X11.

    C

  5. inception inception Public

    A containerized WordPress infrastructure with custom NGINX, PHP-FPM, and MariaDB images, TLS, secrets, and persistent storage.

    Shell

  6. cpp-modules cpp-modules Public

    A curated C++98 exercise collection covering OOP, exceptions, templates, STL containers, and merge-insertion sort.

    C++