Software development portfolio

Hi, I'mMarian Vonsien.

Full Stack Developer

Passionate about creating exceptional digital experiences with modern web technologies.

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Marian Vonsien

Currently

THM & ZYRES

Based in Germany

01 / The person

More than the code.

A bit about the person behind the projects.

I'm a Computer Science student at THM and a working student in software development at ZYRES. I love turning complex problems into simple, beautiful, and intuitive solutions.

Outside of coding, I enjoy running, watching football, and playing computer games. I'm also always up for learning something new or making (and enjoying) a great homemade pizza.

Problem SolverTeam PlayerContinuous LearnerCode OptimizerRunnerFootball FanGamerPizza Enthusiast
Marian Vonsien
Always learning. Always building.

02 / The toolkit

Skills & technologies.

Tools and technologies I use to turn ideas into reliable software.

01
Docker90%
02
Golang85%
03
Java50%
04
Kubernetes55%
05
Next.js60%
06
React70%
07
TypeScript50%
08
Typesense85%
09
PHP60%
10
Symphony60%

03 / Selected work

Projects that made an impact.

A selection of products and experiences I've helped bring to life.

Project 01
Rotkreuzshop.de
Scalable e-commerce platform with Shopware and event-driven interface to Dynamics 365
ShopwarePHPTwigBootstrapGolangKnative Eventing
Project 02
Teba.de
Fast, headless site with dynamic content and instant search
Next.jsReactStrapiMaterialUITypesenseGraphQL
Project 03
Gerstel.com
High-performance headless site with typesense search and CRM integration
AstroReactStrapiTailwindcssTypesenseHubSpotGolang
Project 04
Symposium.bauen-energie.info
High-performance headless event site with ticket shop integration
AstroReactStrapiTailwindcssPretix

04 / The journey

Where I've been. What's next.

A path shaped by hands-on development and continuous learning.

Working Student (Software Development)
2026 - Present
Frankfurt (Main), Germany

Working on practical software projects while continuing to develop my skills in web technologies, e-commerce systems, and DevOps.

2026 - Present
Giessen (Hess), Germany

Studying Computer Science while building on my practical experience in software development.

2023 - 2026
Frankfurt (Main), Germany

Development of extensible, scalable, and maintainable software solutions such as E-commerce webshops, real-time event processing pipelines, and custom Content Management Systems (CMS), tailored to various client needs.

Apprenticeship (IT-Specialist for Software Development)
2020 - 2023
Frankfurt (Main), Germany

Learned to plan, develop, test, and maintain scalable software solutions through hands-on projects.

Vocational School (IT-Specialist for Software Development)
2020 - 2023
Frankfurt (Main), Germany

Studied the foundations of software development alongside my apprenticeship at ZYRES.

Secondary Education
2014 - 2020
Friedberg (Hess), Germany

Secondary education with a focus on computer science.

The full picture

Want the details?

Explore my experience, education, and skills in one place.

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05 / Say hello

Let's build something together.

A question, an idea, or just want to connect? I'd love to hear from you.

Get in touch

I'm always interested in new opportunities and exciting projects. Whether you have a question or just want to say hi, feel free to reach out!

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