I'm Guillaume Stark

A Frontend Developer & UX/UI Designer from Fribourg, Switzerland

With over 7 years of professional experience, I collaborate with companies to elevate their web and mobile projects. I focus on creating visually compelling and highly functional applications that deliver intuitive and efficient user experiences.

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My knowledge & areas of expertise

Frontend development

  • Framework & librairies

    React.js (Next.js, Redux), React Native (Expo), Vue.js

  • Languages

    Vanilla Javascript, TypeScript, HTML, CSS, PHP

  • Version Control & CI/CD

    Git, GitHub Actions, NX

  • Design Systems

    Storybook

  • CMS & E-commerce

    WordPress (Custom templates & plugins)

UX & UI design

  • Design Tools

    Figma, FigJam, Balsamiq

  • Prototyping

    High-fidelity prototypes, Interactive elements

  • User Research

    Surveys, Interviews

  • Design Systems

    Component libraries, Design tokens

  • Design Thinking

    Empathy Mapping, Ideation

Some values that matter to me

User-Centric Design

Designing with the end-user in mind, ensuring intuitive and accessible interfaces.

Privacy-First Approach

Prioritizing user privacy and data security in every project.

Eco-Friendly Development

Committed to sustainable practices in technology and design.

Accessibility

Making sure that digital solutions are accessible and inclusive to all users.

Contact

Got a project idea or want to discuss opportunities? Get in touch with me.

If my response time is a bit slow, don't worry. I might be out running in the mountains 🏃