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Achievements

Achievement: Pull Sharkx2Achievement: Quickdraw

Achievements

Achievement: Pull Sharkx2Achievement: Quickdraw

Organizations

@Information-Retrieval-aka-Uniwa @E-Learning-aka-Uniwa @Human-Computer-Interaction @Compilers-aka-Uniwa @Big-Data-Management-aka-Uniwa @Cloud-Computing-and-Services @Programming-of-Mobile-Devices @Computer-Graphics-aka-Uniwa @Preze-Cinemas-Web @Software-Quality-and-Reliability @Network-Programming-aka-Uniwa @Gandalf-Saga @Computer-Programming-aka-Uniwa @Physics-aka-Uniwa @Object-Oriented-Programming-aka-Uniwa @Circuit-Theory @Logic-Design-aka-Uniwa @Electronics-aka-Uniwa @Operating-Systems-1 @Computer-Networks-2 @Operating-Systems-2-aka-Uniwa @Data-Bases-1 @Digital-Circuit-Design @Signals-and-Systems-aka-Uniwa
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Ath21/README.md

Git

👨‍💻 About Me

I specialize in architecting scalable backend systems and cloud-native applications. My approach combines modern engineering practices with academic rigor, focusing on microservices, container orchestration, and high-availability infrastructure.

  • Current Focus: Collaborating with academic supervisors to prepare the Smart Traffic Lights System (STLS) for peer-reviewed publication.
  • Interests: Distributed Systems, System Reliability, Automation (CI/CD), and Performance Optimization.
  • Education:
    • MSc in Informatics and Computer Engineering at University of West Attica (UNIWA).
    • Certificate of English Language Proficiency

🛠 Tech Stack

Backend & Logic .NET C# REST API Java

Cloud & DevOps Docker Kubernetes CI/CD Linux

Databases & Caching MSSQL PostgreSQL MongoDB Redis

Core Engineering Git Networking Algorithms

🚀 Top Featured Projects

🚥 Diploma Thesis: Design and Implementation of Smart Traffic Lights System using Microservices and Container-based Virtualization

Flow: IoT & Cloud Architecture

  • Architected a cloud-native, event-driven system using .NET 9.0 microservices and RabbitMQ for intelligent traffic management.
  • Orchestrated the stack with Docker and Kubernetes, utilizing a hybrid data approach with MSSQL, PostgreSQL, MongoDB, and Redis.
  • 🔗 Repository: Ath21/Smart-Traffic-Lights-System

📊 Big Data Management: Analysis of Unemployment and Police Killings in United States

Flow: Data Science & AI

  • Conducted a socio-economic study using K-Means Clustering to identify correlations between unemployment, poverty, and fatal incidents.
  • Processed and visualized complex datasets using Python (Pandas, Scikit-learn, Matplotlib) to extract spatial patterns.
  • 🔗 Repository: Big-Data-Management-aka-Uniwa/US-Police-Killing-Search

🤖 E-Learning: Artificial Intelligence at Education - Ollama

Flow: Data Science & AI / E-Learning

  • Integrated Ollama to deploy and manage local Large Language Models (LLMs) for educational research and automated reporting.
  • Focused on the intersection of AI and Education, implementing privacy-preserving, on-premise AI deployments.
  • 🔗 Repository: E-Learning-aka-Uniwa/Ollama

🖥️ Software Engineering: Preze Cinemas Desktop - Phase 4 Source Code

Flow: Software Engineering & Development

  • Developed a comprehensive desktop ERP for cinema management using Java Swing and AWT, focusing on custom event handling and complex UI layouts.
  • Implemented the full Software Engineering lifecycle: from Phase 1 (Use Case Analysis) and Phase 3 (Robustness Diagrams) to a fully functional Phase 4 Source Code.
  • 🔗 Repository: Preze-Cinemas-Desktop/Code

🎬 Special Topics in Software Engineering: Preze Cinemas Web Back-end

Flow: Software Engineering & Development

  • Engineered a high-concurrency RESTful API using .NET 6 for movie reservations, user management, and secure payments.
  • Implemented Monolithic Architecture principles to ensure system reliability and scalability during peak booking loads.
  • 🔗 Repository: Preze-Cinemas-Web/Back-end

⚡ Parallel Systems: Covariance Register

Flow: Hardware & Parallel Computing

  • Accelerated statistical matrix calculations by leveraging GPGPU programming with the NVIDIA CUDA framework.
  • Optimized memory throughput and thread synchronization for high-performance mathematical processing.
  • 🔗 Repository: Parallel-Systems-aka-Uniwa/Covariance-Register

☁️ Cloud Computing & Services: Virtual Lab - Dockerized Cloud Services

Flow: Systems & Networking

  • Built a containerized sandbox using Docker Compose to deploy and stress-test distributed services like WordPress and MySQL.
  • Configured isolated virtual networks and persistent storage volumes to simulate production-grade cloud environments.
  • 🔗 Repository: Cloud-Computing-and-Services/Virtual-Lab

📈 Digital Signal Processing: MATLAB

Flow: Signals & Mathematics

  • Implemented digital filtering and frequency analysis algorithms to process and transform discrete-time signals.
  • Developed mathematical models to validate signal stability and communication protocol efficiency.
  • 🔗 Repository: Digital-Signal-Processing-aka-Uniwa/Matlab

🎓 Academic Roadmap (UNIWA)

📂 Systems, Networking & Security

Operating Systems & Low-Level Programming

  • Operating Systems I
    • Basic Linux Commands
    • Bash Scripts
  • Operating Systems II
    • Process Management with Fork and Wait in C
    • Parallel Inner Product Calculation using C POSIX Threads
    • POSIX Threads Synchronization - Semaphores, Condition Variables
    • UNIX-Domain Stream Sockets Communication for Fibonacci Sequence Validation
  • Compilers
    • Design and Implementation of a Compiler at Uni-C

Networking & Distributed Systems

Cyber Security

📂 Software Engineering & Development

Programming Fundamentals

Software Engineering & Design

Game Development

📂 Data Science & AI

Intelligence & Retrieval

  • Artificial Intelligence
    • Real Genetic Algorithm Application
    • Application of Search Algorithms to the Pacman Problem
  • Information Retrieval
    • Building a Search Engine for Academic Papers
  • E-Learning
    • Artificial Intelligence at Education - Report
    • Artificial Intelligence at Education - Ollama

Data Management

  • Databases I
    • Create and Manage a Database
    • Subqueries in SQL Language
    • Classification and Suggestions - GROUP BY, AND, HAVING, JOIN
  • Databases II
    • Creation of Database personnel
    • Constraints
    • Views
    • Trigger
    • Variables, Functions, Procedures
  • Big Data Management
    • Analysis of Unemployment and Police Killings in United States
📂 Hardware & Parallel Computing

Circuits & Electronics

  • Circuit Theory
    • Kirchhoff's Laws - Ohm Law - Potentiometer - Rheostat
    • RLC Components, Transient Response
    • RLC Component Connections to AC Power Supply
    • Coordination
  • Electronics
    • Resistance and Oscilloscope
    • Diode
    • RC Filters and Scissors
    • Rectification
    • Bipolar Junction Transistor (BJT)
  • Logic Design
    • Logic Gates
    • Flip Flops
    • Adders Deductors
    • Registers Sliders
  • Microelectronics
    • 4-bit AD/DA Converter using Operational Amplifiers
  • Digital Circuit Design
    • Introduction to the simulation environment
    • Sequential Circuits
    • Register Files
    • Simple Circle of a MIPS Processor

Parallel Computing

📂 Signals & Mathematics

Algorithms

Signals

📊 GitHub Stats

Top Languages

📬 Contact & Connect

Pinned Loading

  1. Smart-Traffic-Lights-System Smart-Traffic-Lights-System Public

    Design and Implementation of Smart Traffic Lights System using Microservices and Container-based Virtualization

    C#

  2. Preze-Cinemas-Web/Back-end Preze-Cinemas-Web/Back-end Public

    Back-end API for Preze Cinemas Web: C# (.NET 6) RESTful services for user management, movies, reservations, payments, and email notifications (Special Topics in Software Engineering, UNIWA).

    C#

  3. Cloud-Computing-and-Services/Virtual-Lab Cloud-Computing-and-Services/Virtual-Lab Public

    Cloud Computing lab project implementing a virtual lab with Docker and Docker Compose, deploying containerized cloud services (WordPress, MySQL, phpMyAdmin) with isolated networks, persistent stora…

    Shell

  4. Big-Data-Management-aka-Uniwa/US-Police-Killing-Search Big-Data-Management-aka-Uniwa/US-Police-Killing-Search Public

    Big Data Management project analyzing the relationship between unemployment, poverty, and police killings in U.S. states (2015–2016) using K-Means clustering and socio-economic data analysis (Big D…

    Jupyter Notebook

  5. Digital-Signal-Processing-aka-Uniwa/Matlab Digital-Signal-Processing-aka-Uniwa/Matlab Public

    Digital Signal Processing laboratory project implemented in MATLAB, focusing on discrete-time signal generation, transformation, and visualization (Digital Signal Processing, UNIWA).

    MATLAB

  6. Parallel-Systems-aka-Uniwa/Covariance-Register Parallel-Systems-aka-Uniwa/Covariance-Register Public

    CUDA/C project for calculating column means, subtracted mean matrices, transposed differences, and covariance matrices of 2D integer arrays using GPU acceleration. Optimized with shared memory and …

    Cuda