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l4aaa/README.md

👨‍💻 About Me

name: Laurentiu Chircan
location: Timisoara, Romania
status: BSc Computer Science Student (Year 2)

education:
  - West University of Timisoara

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

technical_skills:
  - C/C++ & Java (Academic Core)
  - Linux/UNIX Systems
  - Python & Bash Scripting

interests:
  - Gaming
  - JDM Cars 🔰
  - Hardware Tinkering

🧰 Tech Stack

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

📌 Featured Projects

🎮 LevelUp – Gamified Learning Platform

🔗 https://github.com/l4aaa/LevelUP-backend

  • Stack: Java 21, Spring Boot, PostgreSQL, React, TypeScript
  • Engineering: PESSIMISTIC_WRITE locking for XP integrity, stateless JWT auth
  • Design: Fully normalized schema for complex user–task–achievement relations

🧠 Classical SAT Solvers

🔗 https://github.com/l4aaa/classical-sat-solving-algorithms

  • Stack: C++17, Python (CNF Gen), CMake
  • Performance: Optimized DIMACS parsing + std::chrono benchmarks
  • Algorithms: Resolution, DPLL, CDCL

⚙️ Interactive Physics Sandbox

🔗 https://github.com/l4aaa/Interactive-Physics-Sandbox

  • Stack: C++17, SFML
  • Physics: Semi-implicit Euler integration
  • Interaction: Momentum-based flick mechanics
  • Collision: AABB with impulse resolution

💳 Electronic Wallet System

🔗 https://github.com/l4aaa/electronic-wallet-system

  • Stack: C++17, STL
  • Architecture: Admin/Client via persistent CSV state
  • Security: Input sanitization & safe file I/O

📊 GitHub Stats


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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

  5. Interactive-Physics-Sandbox Interactive-Physics-Sandbox Public

    An interactive 2D physics playground in C++ featuring real-time momentum-based dragging, AABB collision resolution, and Euler integration.

    C++