Hello, world! I'm Sebastian Gräf, frontend & UI developer with a strong online marketing background as a professional affiliate marketer. I'm making things on the web since 2003.
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About me

I can help companies build web applications and websites that convert visitors into customers. I currently live in the city of Zurich, Switzerland and specialize in web application development with React. For personal projects I do JavaScript full stack development. Besides tech I'm into travelling and photography.


German, English


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Frontend Software Engineer

Polynorm Software AG

- Today Zurich

Frontend development of a new product (PIM system with CMS, media management, classifications...). Helped to rewrite and restructure the prototype from jQuery to a React app with a component-based architecture and modern frontend tooling. Introduced JavaScript unit testing.

Founder & Frontend developer

enter digital ventures

- 10.2015 Remote

Frontend development and online marketing of two SaaS apps from idea to finished product. Developed two frontend applications utilizing AngularJS communicating with a custom backend API and embeddable widgets. Planned and executed a content marketing strategy resulting in thousand of social shares at launch.

Owner, Web Developer & Online Marketer

newgo media

- 09.2015 Berlin

Web development and online marketing, started while in school. Buying, selling and development of my own domain names like,, Realized about 30 small to medium-sized web projects. Professional affiliate marketing with SEM and SEO. Built, managed and monetized a domain portfolio with up to 1,500 domains.

Communications lead

START Berlin

- 08.2015 Berlin

Online Marketing, especially social media, and IT. Co-organized and promoted events, meetups, workshops and tours for founders and students interested in the Berlin startup scene and entrepreneurship.