Projects & Experience

Two decades of building digital products that matter

VayaPin Solutions ApS

Co-Founder & CTO • May 2020 - Present

Global address solution enabling location sharing without traditional addresses. Built the complete technical infrastructure for a consumer-facing product serving users worldwide.

Impact: Architected scalable backend, led engineering team, implemented real-time location services

Tech: Ruby on Rails • PostgreSQL • Redis • React Native • AWS • Docker • MapBox

WonderWebLabs

Co-Founder & Technical Lead • May 2012 - Dec 2016

Digital laboratory for web and mobile development. Built custom solutions for tourism, automotive, and business sectors. Notable projects include tourism apps for Usedom and platforms for Autowelt Gruppe.

Impact: 4+ years of successful projects, mobile apps on iOS & Android, web platforms

Tech: HTML5/CSS3 • JavaScript • Mobile Development • Ruby on Rails • Cloud Services • SEO

CitoCode Holding

CTO • May 2018 - Apr 2020

Chief Technology Officer responsible for technical strategy and team leadership. Built and managed development teams, established engineering culture, and explored innovative location-based technologies that laid the groundwork for future ventures.

Impact: Scaled team from 3 to 12 engineers, established CI/CD pipelines, R&D for emerging tech

Tech: Ruby on Rails • Vue.js • React • Cordova • DevOps • Microservices • Team Leadership

MeinWunschcatering

Founder & CEO • Oct 2018 - Oct 2021

Built and operated a digital catering marketplace connecting customers with local catering providers. Developed the complete platform from concept to launch, including vendor management and automated matching.

Impact: Launched marketplace platform, onboarded catering partners, automated booking process

Tech: Ruby on Rails • PostgreSQL • Payment Integration • Marketplace Architecture • SEO

Hillig Consulting

Independent Consultant • 2016 - Present

Strategic technology consulting for startups and established companies. Helping businesses modernize their tech stack and improve development processes.

Clients: From early-stage startups to enterprise organizations

Services: Architecture Reviews • Team Building • DevOps Implementation • Product Strategy

TH Wildau - University of Applied Sciences

Lecturer • Feb 2020 - June 2020

Taught mobile app development and modern JavaScript frameworks to computer science students. Developed curriculum covering React Native, Android development, and cross-platform mobile solutions.

Impact: Mentored students, created practical course materials, bridged industry-academia gap

Topics: React Native • Android Development • React • Node.js • Mobile Architecture • Cross-Platform Development

Additional Experience

20+ Years Building Digital Products

Selected roles and achievements:

  • • Karate Trainer & Board Member at SG FEZ Wuhlheide - 13+ years coaching, 6 years board leadership
  • • Co-Founder & CEO at Pyramidufte - Event management and electronic music label
  • • Tutor at TH Wildau - Software Engineering, Data Structures & Algorithms (Java)
  • • Software Developer at Helmholtz-Zentrum Dresden (HZDR) - Medical software development
  • • Web Developer at ressourcenmangel GmbH - Built online platforms
  • • Entrepreneur at 8wonder holding UG - Multiple venture projects
  • • Freelance Developer at culexcoding - Client projects for ABX advanced biochemical compounds GmbH, REHA Zentrum Marzahn GmbH, Canam, Bundesverband Fahrzeugaufbereitung e.V.
  • • Indoor Location Systems at TH Wildau - iCampus/Unidos project
  • • Web Developer at 5mm GmbH - CMS development

Industries: Healthcare • E-commerce • Tourism • Education • Sports • Event Management

🚧 Work in Progress

FileWerk.ai

AI-powered document management for German SMEs • Rails 8, pgvector, OpenAI • Early dev stage

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