Hi, I'm
Joseph Alzieb
I build robust, scalable software solutions — from backend APIs to beautiful frontends, mobile apps, and AI-powered integrations.
About Me
I'm a passionate Fullstack Software Engineer based in Düsseldorf. I currently work at GEBIT Solutions GmbH, where I design and develop software solutions for complex business needs.
I hold a degree from Heinrich Heine University Düsseldorf and continuously expand my expertise through professional certifications in Java, Spring Boot, Vaadin, Flutter, and other modern technologies.
I love turning complex requirements into clean, maintainable code. Whether it's building a Spring Boot microservice, a Flutter mobile app, or a responsive web application — I bring dedication and care to every project.
Location
Düsseldorf, Germany
Company
GEBIT Solutions GmbH
Education
Heinrich Heine University Düsseldorf (2019 – 2022)
Languages
German, English, Arabic
Tech Stack & Skills
Technologies I work with on a daily basis.
AI & LLM
7 skills
Frontend
6 skills
Backend
6 skills
Databases
4 skills
Testing
4 skills
Cloud & DevOps
3 skills
AI & LLM
7 skills
Services
What I can do for you.
Web Applications
Modern, responsive web applications using React, Next.js, Vaadin, Thymeleaf, and Symfony. From landing pages to complex enterprise portals.
Mobile Applications
Cross-platform mobile applications built with Flutter and Dart. Beautiful UIs with native performance for iOS and Android.
Backend & APIs
Robust REST APIs and microservices with Java, Spring Boot, and PostgreSQL. Scalable architecture designed for production workloads.
AI & LLM Integration
Integrating AI capabilities into applications using Claude API, MCP servers, and agentic workflows. From prompt engineering to building intelligent automation.
Fullstack Engineering
End-to-end solutions covering frontend, backend, database, and deployment. I deliver complete products from concept to production.
My Work Process
From idea to solution—turning your vision into software.
Understanding Your Needs
I learn your goals and challenges to craft a solution that truly fits.
Development & Implementation
Clean code, modern tech, iterative feedback — until it's right.
Delivery & Support
On-time delivery with ongoing support to keep things running smoothly.
Certifications
Professional credentials and continuous learning.
Anthropic Education
11 credentials
Udemy
7 credentials
Vaadin
2 credentials
Anthropic Education
11 credentials
Projects
A selection of projects I've built.
Crypto Price Tracker
A cryptocurrency watchlist app to track current prices of various cryptocurrencies in real-time.
Freeze Tag Problem
An algorithmic study of the Freeze Tag Problem — exploring approximation algorithms and heuristics for waking frozen robots in optimal time.
Facebook UI Clone
A faithful recreation of the Facebook user interface built with Flutter.
Meal App
A restaurant app showcasing dishes with their recipes — an idea for how restaurants can present their menu digitally.
CheckIn
A web application that allows students to register their planned absences during a mandatory attendance internship.
Portfolio Website
This portfolio website — built with Next.js, TypeScript, Tailwind CSS, and Framer Motion.
Crypto Price Tracker
A cryptocurrency watchlist app to track current prices of various cryptocurrencies in real-time.
Freeze Tag Problem
An algorithmic study of the Freeze Tag Problem — exploring approximation algorithms and heuristics for waking frozen robots in optimal time.
Get in Touch
Have a project in mind or just want to say hi? Feel free to reach out.