Software Engineering & Web Development

Hamid Karadzha

|

Building modern, high-performance business websites, reliable backend architectures and custom AI automation solutions for forward-thinking clients.

01 — Services

Solutions I Provide

Tailored software solutions designed for high speed, reliability and real business results.

🌐 Full-Cycle

Web Development & Platforms

Modern, responsive business websites, product catalogs, service rental platforms, and high-converting landing pages built with clean code and SEO.

  • Custom responsive UI & UX
  • Lighthouse 95+ speed & Core Web Vitals
  • SEO optimization & inquiry forms
Inquire about this →
⚙️ Architecture

Backend & API Engineering

Robust server-side architectures, RESTful APIs, database schema design, and secure data handling using Java, PHP, SQL, C++, and Node.js.

  • RESTful API architecture
  • Normalized SQL database modeling
  • Scalable OOP & Command patterns
Inquire about this →
🤖 Intelligence

AI Integration & Automation

Integrate modern AI capabilities and automated workflows into your business processes using Google Gemini API, OpenAI, and custom scripts.

  • LLM & Gemini API integration
  • Automated data & document workflows
  • Intelligent assistants & tools
Inquire about this →
⚡ Optimization

Speed Optimization & Support

Audit slow sites, remove performance bottlenecks, optimize assets, fix bugs, and ensure continuous reliability for your existing systems.

  • Performance audit & asset optimization
  • Cross-browser & mobile bug fixes
  • Reliable deployment & maintenance
Inquire about this →

02 — Portfolio

Selected Work & Solutions

From live commercial client websites to complex backend architectures and algorithmic systems.

Live Client Websites

Software Engineering & Architecture

Smart Checkout AI

Engineering

Autonomous Edge AI self-checkout prototype built with Raspberry Pi 5, computer vision, and TensorFlow Lite. Features on-device product classification, camera-based detection, LCD and Bulgarian voice feedback, and a PHP/MariaDB order backend.

Edge AI Raspberry Pi 5 TensorFlow Lite Python OpenCV PHP / SQL

Java Calendar CLI

Engineering

Command-line calendar application built around a Command pattern architecture, with a custom CLI interpreter, service layer and typed exception handling.

JavaCommand PatternOOP

Design Patterns Showcase

Engineering

Ten Gang of Four design pattern implementations — State, Observer, Bridge, Decorator, Composite, Adapter, Flyweight, Chain of Responsibility, Factory Method, Strategy.

JavaDesign PatternsOOP

Parking Spot Management

Engineering

JavaFX desktop application for managing parking spots, with an MVC architecture and an embedded H2 database.

JavaJavaFXSQL

Employee Management Database

Engineering

Normalized relational database design for managing employees, departments, positions, languages and absence tracking — 9 tables including a many-to-many link.

SQLDatabase DesignNormalization

Bodybuilding Competition Manager

Engineering

C++ console application for managing competition participants — search, sort, categorize by age, and rank winners by body-proportion ratio, with file persistence.

C++StructsFile I/O

Competitive Programming Solutions

Engineering

Seven algorithmic problems solved in C++ — GCD via Euclidean algorithm, spiral and concentric matrix generation, triangle geometry, modular arithmetic, and an O(n) frequency-counting optimization.

C++AlgorithmsOptimization

03 — Process

How We Work Together

A clear, predictable, and transparent 4-step workflow from the first message to final deployment.

01

Consultation & Scope

We discuss your project goals, functional requirements, and target timeline, followed by a transparent proposal.

02

Architecture & Design

Structuring the database models, UI wireframes, and choosing the optimal tech stack for maximum speed and longevity.

03

Development & Testing

Writing clean, typed, modular code with rigorous cross-device testing, responsive styling, and accessibility checks.

04

Launch & Support

Deploying to your production domain, setting up SSL, indexing on search engines, and providing ongoing technical support.

04 — About

Behind the Code

I am a software engineer and web developer dedicated to building high-performance web applications, resilient backend architectures, and intelligent digital workflows. Grounded in solid computer science fundamentals and competitive algorithmic problem-solving, I approach software design with a relentless focus on clean architecture, performance optimization, and reliable execution.

My work bridges modern full-stack development with hands-on engineering — from delivering commercial web platforms like Sev Metal and Condor Rent to deploying Edge AI systems and hardware prototypes during my engineering internship at TNT Robotics. Whether engineering a fast, modern business website or a scalable backend system, I deliver clean, maintainable code backed by transparent communication.

05 — Skills

Technical toolkit

{ }

Programming

C++ Java Python PHP JavaScript
</>

Frontend

HTML5 CSS3 JavaScript Responsive Design
DB

Backend

Java PHP SQL
◆

Concepts

OOP Design Patterns Algorithms Data Structures
AI

Artificial Intelligence

Machine Learning TensorFlow Lite Computer Vision AI Integration
IoT

Hardware & Prototyping

Raspberry Pi Linux Edge AI 3D Modeling 3D Printing

06 — Experience

Where I've worked

Completed Internship

Software Development Intern — ML/AI Integration · TNT Robotics

Hands-on internship focused on Edge AI, hardware integration, and computer vision. Trained and deployed custom TensorFlow Lite classification models on Raspberry Pi 5 under Linux, assembled hardware sensors and I2C components, designed and 3D-printed custom mechanical mounts, and automated workflows via Python and a backend API.

Edge AI TensorFlow Lite Raspberry Pi 5 Linux Computer Vision 3D Modeling & Printing Python

07 — Education

Academic background

Technical University

Software and Internet Technologies — 3rd year (2nd year completed)

Algorithms & Data Structures Object-Oriented Programming Databases Computer Architecture Discrete Structures Web Technologies

08 — Certifications

Certifications

TA

Telerik Academy — Web Programming

HTML/CSSJavaScript
TA

Telerik Academy — Digital Science

Digital Fundamentals

09 — Languages

Languages

Bulgarian — Native Turkish — Native English — B2 German — A1

10 — Contact

Let's Build Your Project

Ready to create a new website, build a custom backend, or automate your workflows? Get in touch for a free consultation and project quote.

Select the service you need: