Professional Web Solutions

I build enterprise-grade web apps and websites.

Hi, I‘m Matthias – a professional frontend and full-stack engineer from Germany.
Specializing in the JavaScript ecosystem, I build highly optimized innovative solutions across the full spectrum of web development.

Recent Projects

• 

  Emoji To Favicon

  A web app that enables users to convert emojis into custom website favicons, leveraging the Vue 3 for a seamless and interactive user experience.

  Built with Vue 3, Bootstrap, Node.js, and Web Scraping.

  • Website
• 

  Clock of Change - Human Connection

  An interactive web application visualizing Human Connection project progress, with enhanced frontend features and a Node.js optimized backend

  Built with Node.js, PHP, WordPress, JavaScript, and Docker.

  • Website
  • GitHub (Frontend)
  • GitHub (Backend)
• 

  Superkühe - WDR Sensorstory

  An automated dairy cow reporting system using Ruby on Rails and sensor data from the Smaxtec API, including a custom chatbot for WDR, gaining significant media attention.

  Built with Ruby on Rails, Smaxtec API, PostgreSQL and JS.

  • Website
  • GitHub (Frontend)

Work History

1. Senior Engineer - INFOnline GmbH

   JavaScript Engineer

   I played a key role in building and maintaining a tag management platform and helped develop a measurement system widely used by the German advertising sector with billions of impressions. This included optimization for reliability, performance, and usage on a wide range of devices, including desktop, mobile, and connected TV, while also ensuring seamless integration with modern web development stacks and frameworks. Furthermore, it involved strict adherence to current legal standards, web norms, and market dynamics. Also, I developed and maintained system plugins and browser extensions, extensive unit and end-to-end test suites, automated quality assurance bots, and implemented full-stack web applications for the ecosystem.

   • JavaScript
   • TypeScript
   • Vue.js
   • Next.js
   • Node.js
   • Playwright
   • NoSQL
   • SQL
   • gRPC

2. Frontend Engineer - Alpha9 Marketing GmbH

   PHP Engineer

   Worked on developing a search engine dedicated to local small and medium businesses with over 6 million service and business entries. Initially, I joined as a backend developer, I utilized PHP with the Yii and Symfony frameworks to implement features and microservices. My work varied from basic CRUD operations to sophisticated search functionalities (enhanced by Elasticsearch) and complex data processing tasks. Later, I transitioned into a frontend role leading the integration of backend features into the frontend, driving UI/UX improvements, redesigning layouts, and maintaining and improving the frontend DevOps processes.

   • PHP
   • Yii Framework
   • JavaScript
   • CSS / SCSS
   • Elasticsearch
   • MySQL
   • Redis

3. Web Developer - Logicworks GmbH

   This is where I started my professional career as a web developer and obtained my degree in software engineering through a dual education program. With over a decade of semi-professional experience in web development, here I improved my skills and initially specialized in designing and implementing frontends for web applications and websites, primarily for public sector clients, such as academic institutions and local governments. Later, my role expanded to backend development, where I contributed to evolving our company‘s proprietary CMS, implementing various web applications, and maintaining a submission system for funding and research proposals.

   • PHP
   • MySQL
   • Kd Oracle
   • JavaScript
   • CSS / SCSS
   • Bootstrap