How I work
- Accessibility
- Performance
- Maintainability
- SEO-friendly implementation
- Structured project work
- Fast onboarding
- AI-assisted development
Hey, I'm Leo!
Freelance web developer for modern websites
I build performant websites that are technically sound, easy to maintain and straightforward for users.
What you get from me
Services
Hands-on support for websites, front ends and technical improvements – from first implementation to optimisation.
My digital toolkit
Skills & tech stack
My core stack – plus the ability to get up to speed quickly on new project setups, including modern AI-assisted workflows.
CMS
- WordPress
- Storyblok
Front end
- React
- Next.js
- JavaScript
- TypeScript
Languages & templates
- PHP
- Twig
Styling
- SCSS
- Tailwind CSS
A little personal
About me
I did not take the classic route through vocational training or a computer science degree. During my bachelor's in business administration, a marketing work-study role was where I first worked with programming languages. I quickly realised that combining visual and functional design was what I wanted to focus on.
After my bachelor's I joined Friendventure as a digital consultant, completed a part-time master's in business informatics in parallel, and continued to build my skills in web development. A web development traineeship followed. I learned a great deal through collaboration with the team, complemented by independent learning and hands-on project work.
Today I work full time as a professional frontend web developer. Clean technical implementation, clear communication, and collaboration where everyone knows what we are working on matter to me.
Professional Frontend Developer
Friendventure GmbH & freelancingCologneDevelopment of performant, accessible web applications with React, Next.js, TypeScript, Storyblok, WordPress, Twig, PHP and SCSS. Technical project lead, quality assurance, SEO and internal standards.
Trainee Web Development
Friendventure GmbHCologneStructured onboarding in HTML, SCSS, Twig, JavaScript, PHP, WordPress, ACF/Flynt, technical SEO, accessibility, performance, Git and deployment.
Digital Consultant
Friendventure GmbHCologneB2B consulting on web development, CMS and online marketing. Requirements gathering, proposals and assessment of technical project potential.
Marketing and Sales Manager (work-study)
Hattenberger PartnerCologneAnalysis and reporting of sales activities, HubSpot CRM, lead nurturing and optimisation of internal marketing and sales processes.
Marketing Manager (work-study)
Serverhero GmbHCologneLanding pages and responsive website elements with HTML and CSS, digital advertising assets, SEO copy and A/B tests.
Education entries as an expanding carousel: use arrow keys in the card area or select a card by click or focus. On mobile, a card opens only when tapped.
Master of Science: Business Informatics (part-time), 1 of 4
On the road to the World Championships with Ace & Jacky
When I'm not building websites, I run CaniCross with my two dogs on trails across Europe. Season, results and partnerships are on our athlete profile.
Visit the athlete profile(external site)Take a look at what's been built
References
Selected projects in website development and front-end implementation – from local sites to larger brand websites.
The next step is simple
Let's talk
Looking for support with your website or a front-end project? Send me an email – I'll get back to you soon.