Yannis V. - Fullstack- and Game Engineer

Go to Website

Leer (Ostfriesland), Germany

Experience

Apr 2025 - Present

6 months

Tutor

GFU Cyrus AG

Unreal Engine 5 basics
AR application development with Unity
Software documentation
and more.

Mar 2025 - Present

7 months

Fullstack Expert

Lightworks.de

Enhancement and maintenance of a web application for flexible product creation using a visual configurator
Implementation of an admin backend
Automated screenshot generation
Map integration using Mapbox
Dynamic product configurator with live feedback
Automated generation of high-resolution product images
Intuitive admin interface for product management
Fast map integration for interactive layouts

Mar 2025 - Aug 2025

6 months

Backend Engineer

Sascha Nitsch Federator Unternehmensberatung GmbH

System to bridge federated (ActivityPub) and non-federated systems
Implementation of interface communication, API connections, authentication, data storage, and async messaging with a focus on secure communication, clear protocol handling, and interoperability
Development of a federated messaging backend
Secure message exchange over encrypted endpoints
Stable connection to decentralized networks
High compatibility through standards-compliant protocol design

Feb 2025 - Apr 2025

3 months

Frontend Engineer

Community Projekt BuntesDach

Development of a web application for political activism against false self-employment
Users can write and send personalized letters to members of parliament with a focus on UX and reliable API communication
User-friendly interface for letter creation
Robust API connection for smooth sending
Scalable form system with dynamic content
Over 4000 letters sent by over 500 people

Apr 2024 - Present

1 year 6 months

Fullstack Expert

Vogel Development

Responsive web application with React frontend
Light and dark design
Fully localized
Tracking without cookies
Admin-only frontend for other projects (DailyDo, SpecialDates, ...)
PDF generation for resume (German, English, supports dark & light design)
Full SSR compatibility
Functional contact form
Almost cookie-free usage
Real-time generation of the resume as a PDF

Jan 2024 - Mar 2024

3 months

Leer, Germany

Frontend-Engineer

Vogel Media GmbH

Complete redesign of the web presence
Setting up customizable modules in Contao

Jun 2023 - Present

2 years 4 months

Fullstack-Expert

Vogel Development

Company-Website

Responsive web application with React frontend
Light and dark theme support
Fully localized
Cookie-free tracking
Admin-only frontend for other projects (DailyDo, SpecialDates, ...)
PDF generation for CV (German, English, supports light & dark theme)

Technologies: TypeScript, React, Vite, Ziggy, Lottie, Umami, Tailwind, i18n (localisation), Node, npm, PM2, Nginx, PHP, Laravel, JavaScript, Git, Firebase (Firestore, FCM)

Achievements:

Full SSR compatibility
Functional contact form
Near cookie-free usage
Real-time PDF generation of CV

DailyDo

Highly customizable to-do app
Easy collaboration with friends and family
Permission management and real-time updates
Localization and notifications for newly shared content

Technologies: Flutter, Dart, Node, PHP, Git, L10n (localization), Google Play Console, Firebase (Firestore, FCM, Auth), Google-Auth

Achievements:

Release on Google Play Store

SpecialDates

App to store special dates/memories with contextual information
Notifications for recurring events (e.g., anniversaries)
Shareable lists of reminders
Storage of extended data such as images and longer text entries
Counters showing how long ago a specific memory occurred in various units

Nov 2021 - Mar 2024

2 years 5 months

Lead Unreal Engine Engineer

Lightword Productions GmbH

Technical lead and feature development for ONE of 500, a story-driven adventure game
Responsible for gameplay, UI, architecture design, and internal team coordination
Developed a system for input processing
Developed a system for input-driven cinematics
Implemented the following systems: interaction system, quest system, navigation system, notification system, pause system, item inspection system, conversation system
Built the UI using the C# & WPF-based NoesisGUI library
Designed the project architecture, including communication between modules, plugins, and features
Created detailed documentation
Planned and organized work packages within the SCRUM framework
Distributed tasks and closely collaborated with the development team
Developed tools and modes to optimize content creation and improve game performance
Developed a playable demo
~1600 Steam wishlists
600 beta players

Aug 2019 - Nov 2021

2 years 4 months

Technical Game Designer & Acting Product Owner

Xyrality GmbH

Responsible for introducing new content and working with content consultants from 24 regions to balance fun and realistic missions
Collaborated with the programming team to develop new content, make code changes, and implement regional variations
Managed work packages for a mid-sized team
Onboarded and trained new team members
Created comprehensive documentation
Increased revenue by about 100% annually
Expanded target regions by 700%

Sep 2017 - Apr 2021

3 years 8 months

Germany

Media & Interaction Design Bachelor of Arts

Hochschule Osnabrück

Final grade: 1.7
Bachelor thesis: "Prototypical implementation of a track editor for a time-based racing game using Unreal Engine 4" (grade 1.15)

Summary

Yannis Vogel is an experienced software developer with an academic background in media and interaction design and a strong focus on modern frontend and fullstack technologies. As a freelancer, he creates custom digital solutions that combine technical excellence with user-centered design and deliver real value.

With broad expertise in modern technologies like React, Vue, Laravel, Flutter, and Unreal Engine, he carries out demanding projects across various industries – from web applications to video games. Besides his technical skills, he enjoys contributing his teamwork: in team projects, he supports less experienced developers and ensures structured, goal-oriented collaboration.

Yannis stands for quality, reliability, and innovation. He acts as a strong partner for companies that need either short-term development resources or long-term technical support – always flexible, forward-looking, and solution-oriented.