Principal Technology Consultant
Sebastian Werner
Frontend Architecture & Developer Experience
Frontend focus with an eye on user and developer experience.
- React
- TypeScript
- Vanilla Extract
- Component Libraries
- Code Quality
The two people you work with.
Sebastian Werner and Sebastian Fastner founded Sebastian Software together. As Sebastian Consulting, both work directly in your project: architecture, hands-on development, and enablement, with no juniors and no handovers.
Senior Technology Consultant
Sebastian Fastner
Frontend & Fullstack
Full-stack approach across the entire application – from frontend to infrastructure.
- TypeScript
- React
- Node.js
- Convex
- Infrastructure as Code
What needs to become clearer?
Tell us where architecture, delivery, or internationalization is getting in the way.
15 minutes, no strings attached: you talk directly to one of the two Sebastians.
Book an intro call
