Professional Experience

12+ years of building production-ready web applications

Mar 2022 – Present

📍 Berlin, Germany

Senior Frontend Engineer (Expanding into Full-Stack & Cloud Development)

Sonova Marketing
  • Lead development of TypeScript-based React and Vue applications used in large-scale marketing and lead-generation platforms.
  • Designed and implemented Node.js (TypeScript) APIs integrating CMS platforms (Contentful), CRMs, and cloud services.
  • Built reusable frontend components and internal libraries, improving development speed and consistency across teams.
  • Worked closely with product, design, and backend teams to translate business requirements into scalable technical solutions.
  • Introduced and maintained automated testing (Jest, Cypress) and CI/CD workflows, improving release stability.
  • Mentored engineers on clean code, TypeScript best practices, and frontend architecture decisions.
Key Technologies: TypeScript, React, Vue, Node.js, MongoDB, GCP, Terraform, Jest, Cypress

Nov 2020 – Feb 2022

📍 Bonn, Germany

Frontend Developer

Kreativrudel
  • Developed production-ready React applications with a strong emphasis on reusable, maintainable components.
  • Improved application performance through code-splitting, memoization, and rendering optimizations.
  • Collaborated with designers and backend engineers to deliver high-quality user experiences.
  • Added automated tests to ensure long-term stability of critical user flows.
Key Technologies: React, JavaScript/TypeScript, Jest, Cypress

Feb 2018 – Oct 2020

📍 Hamburg, Germany

Frontend Developer

Lyftyfy GmbH
  • Built and maintained complex React-based SPAs used by a large user base.
  • Developed shared component libraries and frontend utilities used across multiple projects.
  • Translated product designs and wireframes into performant, accessible interfaces.
  • Optimized frontend performance across browsers and devices.
Key Technologies: React, JavaScript, HTML, CSS

May 2014 – Jan 2018

📍 Hamburg, Germany

Web Developer

Gosign Media GmbH
  • Developed and maintained responsive websites using HTML, CSS, and JavaScript.
  • Integrated and customized CMS solutions (Typo3, WordPress).
  • Improved SEO, accessibility, and cross-browser compatibility for client projects.
Key Technologies: HTML, CSS, JavaScript, Typo3, WordPress