Freelance Frontend Developer

Nationwide award-winning green electricity and gas provider and the largest e-mobility provider in Germany.

• Technologies used: JS, TS, React.js, Redux, SCSS, Vanilla Extract, BEM, Storybook, Jest, Playwright, Turborepo, AWS, Contentful.
• Redesigned and modernised the company’s website and customer portal with a strong focus on accessibility, responsive UX, and visual consistency — aligning the digital experience with the new corporate identity. My hands-on contributions were pivotal in ensuring WCAG-compliant interfaces that significantly improved usability and customer satisfaction.
• Actively contributed to the development and optimisation of React.js applications within a monorepo architecture, ensuring consistency, scalability, and performance across the platform.
• Worked cross-functionally with designers, backend developers, and product owners to deliver well-tested, maintainable code in a fast-moving agile environment.
• Supported CI/CD pipeline improvements, led frontend refactors to reduce technical debt, and fostered a strong culture of code quality and shared ownership.

A web agency implementing individual software solutions for large corporations.

• Technologies used: React.js, Next.js, Nuxt.js, Vue.js, Redux, Pinia, Turborepo, Node.js, Express.js, SCSS, Stripe, AWS, Docker, OpenAI.
• Developed large-scale applications for the healthcare, farming, and e-commerce sectors.
• Engineered complex UI solutions tailored to enhance user experience.
• Ensured robust cross-browser compatibility and optimized performance through intelligent automation.
• Delivered visually appealing, intuitive user interfaces, significantly boosting user engagement and satisfaction.
• Leveraged prompt engineering and AI-assisted development for smarter, adaptive interfaces.
• Due to the sensitive nature of these projects, specific details remain confidential.

A software enterprise specialising in the development and deployment of robust applications for clients with extensive customer networks.

• Technologies used: JavaScript, React.js, Next.js, Redux, Less and BEM, Full Calendar library, Google Maps, Google Autocomplete API, Node.js.
• I have successfully created a multistep assistant for planning and booking custom group tours, along with a user-facing booking configurator on a travel agency platform.
• Integrated the project into a large Aurelia.js ERP platform.
• In this role, I efficiently translated detailed requirements into wireframes and designed the application's architecture.
• Single-handedly developed the solution from scratch within a remarkable timeframe, 1 week before the planned date.
• I empowered the client's employees to prepare custom tours for showcasing purposes three times faster, resulting in a significant 10% increase in sales.
• Additionally, I was responsible for designing the user experience (UX) and user interface (UI) of the booking assistant, ensuring a seamless and intuitive journey for users.

Stock market community platform specialising in financial news and market analysis, providing valuable insights and information to investors and traders.

• Technologies used: JavaScript, React.js, React Native, MobX, Node.js, WordPress, PHP, SEO, Styled Components.
• I developed essential features for both the desktop and mobile versions of a chat application.
• Implemented an interactive product tour customised for new users, optimising their onboarding experience within the chat platform.
• Additionally, by introducing new features and pages to the live website, I successfully expanded the user base and subscriber count, enhancing engagement and driving significant growth.

An automotive dealership, specialising in providing exceptional luxury and performance vehicles to discerning customers. Page has 30K visitors weekly.

• Technologies used: JavaScript, React.js, Next.js, Redux, Sass, REST API.
• Developed a responsive car dealership website displaying listings via the Mobile.de API.
• Built with React.js, Redux, Sass, and REST API in close collaboration with a designer to ensure a seamless and visually appealing user experience.