Personal details

Sebastian F. - Remote front-end developer

Sebastian F.

Based in: 🇩🇪 Germany
Timezone: Berlin (UTC+2)

About

Hands-on frontend architect and senior React/TypeScript developer with more than 20 years of project experience. Builds and modernizes international platforms in banking and asset management, e-commerce, and enterprise SaaS – from component architecture and testing to CI/CD and cloud migration. Particularly effective in demanding product and transformation phases where architectural decisions and hands-on delivery need to come together.

Work Experience

Product Engineer
Sebastian Software GmbH | Jan 2026 - Aug 2026
Testing
TypeScript
Auth
React

Terminaro: Multilingual appointment scheduling system with a public booking page and integrated administration.

Implemented public booking, administration, calendar integration, email delivery, and secure deployments.

Used React Router, TypeScript, Convex, and automated tests as an end-to-end product stack.

https://terminaro.eu

Product Architect
Sebastian Software GmbH | Oct 2025 - Jun 2026
Localization
TypeScript
React
AI

Palamedes: Developer-first platform for AI-assisted localization within Git and release workflows.

Designed and implemented a CLI-first workflow, translation pipeline, QA reports, and terminology features.

Delivered the website, newsletter backend, authentication, and API and pipeline infrastructure.

https://palamedes.dev

Projects

Terminaro - Multilingual Appointment Scheduling SaaS
Testing
TypeScript
Auth
React
Built a multilingual appointment scheduling SaaS with public booking, integrated administration, calendar synchronization, email delivery, authentication, and secure deployments. Implemented the product end to end with React Router, TypeScript, Convex, Better Auth, and automated tests.
Palamedes - AI-Powered Localization Platform
Localization
TypeScript
React
AI
Built a developer-first platform for AI-assisted localization in Git and release workflows. Designed the CLI workflow, translation pipeline, terminology management, QA reports, authentication, newsletter backend, and API infrastructure using React Router, TypeScript, Convex, Lingui, and Relanto.

Education

Kempten University of Applied Sciences
Diplom-Informatiker (FH)・Computer Science
Oct 2001 - Jun 2007