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

About me

I can help companies build and launch maintainable web applications and performant websites, that convert visitors into customers, in a transparent and clearly communicated way. I currently live in Asia and specialize in web application and product development with React (5 years). For personal projects I work across the full stack with Node.js. Besides tech I'm really into travelling and photography.

My availability is ~30h/week starting in July/August. Remote only.

German, English

Let's talk!


Remote Contractor

Sebastian Graef LLC

03.2019 Remote

Working with German companies on an ongoing basis.

Founder & Developer


10.2018 Bangkok

Fullstack JavaScript development of a new SaaS from scratch. heero helps brick and mortar businesses to secure more genuine online reviews. Built with React as a hybrid Gatsby app and powered by a serverless GraphQL API on AWS Lambda.

Frontend Software Engineer

Polynorm Software

- 12.2017 Zurich

Frontend development of a complex new product (PIM system with CMS, media management, classifications, import/export, clipboard...). Rewrote and restructured the first prototype from jQuery to a React app with a component-based architecture and a modern build process. Developed and improved new features, introduced JavaScript unit tests.

Managing Director & 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 50 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

- 09.2015 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.