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l4aaa/README.md

👨‍💻 User Profile & Interests

name: Laurentiu Chircan
located_in: Timisoara, Romania
current_status: Computer Science Student (Year 2)

education:
  - "BSc in Computer Science (West University of Timisoara)"

focus_areas:
  - "Networking & Offensive Security Fundamentals"
  - "Low-Level Programming (C/C++)"
  - "Operating Systems & Internals"

technical_background:
  - "C/C++ & Java (Academic Focus)"
  - "Linux/UNIX Environments"
  - "Scripting (Python/Bash)"

hobbies:
  - "Gaming"
  - "JDM Cars 🔰"
  - "Hardware Tinkering"

🚀 Tech Stack & Tools

Languages Backend & DB Web & Design DevOps & Tools
C++ Java React Linux
C Spring Boot TypeScript Git
Python NodeJS Tailwind Docker
Bash PostgreSQL Figma Postman
JavaScript MySQL HTML5 Blender

📂 Featured Projects

🚀 LevelUp: Gamified Learning Platform

A robust gamified learning platform transforming academic tasks into an RPG experience.

  • Stack: Java 21, Spring Boot, PostgreSQL, React, TypeScript.
  • Engineering: Implemented PESSIMISTIC_WRITE locking for XP integrity and stateless JWT authentication.
  • Design: Normalized database schema for complex many-to-many relationships between users, tasks, and achievements.

🧠 Classical SAT Solvers

High-performance benchmarking tool for Boolean Satisfiability problems.

  • Stack: C++17, Python (CNF Generation), CMake.
  • Performance: Optimized 2SAT/3SAT solving using custom DIMACS parsers and std::chrono metrics.
  • Algorithms: Implemented Resolution, DPLL, and CDCL (Conflict-Driven Clause Learning).

💳 Electronic Wallet System

A distributed financial system simulation focused on data persistence.

  • Stack: C++17, STL.
  • Architecture: Decoupled Admin/Client processes interacting via shared CSV files.
  • Security: Engineered custom file I/O with input sanitization to prevent state corruption.

📊 GitHub Statistics

l4aaa github-readme-stats

l4aaa github readme top-langs l4aaa github readme activity graph

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  1. LevelUP-backend LevelUP-backend Public

    ☕ The high-performance REST API for LevelUp, a gamified learning platform. Built with Java 21 and Spring Boot 4, featuring asynchronous task verification, JWT security, and a complex XP/achievement…

    Java 1

  2. LevelUP-frontend LevelUP-frontend Public

    ⚛️ The immersive, gamified frontend for LevelUp. Built with React 19, TypeScript, and Vite, featuring a sleek Tailwind CSS UI (Catppuccin theme), real-time XP tracking, and interactive quest manage…

    TypeScript 1

  3. classical-SAT-solving-algorithms classical-SAT-solving-algorithms Public

    A high-performance C++17 benchmarking suite comparing classical SAT solving algorithms (CDCL, DPLL, Davis-Putnam, Resolution). Includes a custom DIMACS CNF generator in Python and comprehensive per…

    C++ 1

  4. electronic-wallet-system electronic-wallet-system Public

    A C++17 electronic wallet simulation featuring dual console applications for card management and remote transactions. Supports P2P transfers, persistent CSV storage, and transaction logging.

    C++ 1