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Sebastian Strauch

Freelance Full Stack Developer

Profile

Senior freelance developer for modern web applications, editorial platforms and headless CMS integrations. Self-employed since 1998, with a strong focus on React, Next.js, TypeScript, Node.js, frontend architecture and maintainable delivery for product teams.

Core Skills

Frontend React, Next.js, TypeScript, JavaScript, Svelte, CSS, Tailwind, Storybook, Chromatic

Backend Node.js, GraphQL, REST, MongoDB, PostgreSQL, Redis, Docker

CMS & Cloud Storyblok, Contentful, Drupal, Craft, Vercel, AWS

Methods Headless CMS, monorepos, design systems, accessibility, performance

Selected Experience

  1. Senior Frontend Developer - Axel Springer SE

    Nov 2024 - Current

    Contributed to the development and operation of LeanCMS, a custom CMS powering major news brands (BILD, WELT). Enabled editorial teams to optimize workflows and efficiently deliver high-quality content at scale.

  2. Senior Frontend Developer - ZDF logo! / JAKALA

    Mar 2024 - Jun 2024

    Revised and extended frontend components for ZDF's logo! brand and corporate website within a standardized monorepo using Next.js, React, TypeScript, design tokens and Sophora CMS.

  3. Full Stack Developer - Dialetics GmbH

    Jan 2024 - Mar 2024

    Built an e-learning website from the ground up, migrated content from Kajabi and delivered a Storyblok/Vercel setup with Next.js, TypeScript and Tailwind.

  4. Frontend Developer - KNAUS Campingparks

    Sep 2023 - Jan 2024

    Modernized knauscamp.de for 28 camping parks, moving from TYPO3 to a headless CMS architecture with Next.js, Storyblok, PostgreSQL/Neon and Vercel.

  5. Senior Frontend Developer - FLOYT Mobility GmbH

    Sep 2022 - Jul 2023

    Led parts of the rebuild of billiger-mietwagen.de and carigami.fr landing pages from Symfony/React 16 to a modern Next.js architecture with Contentful, Redux, AWS and Terraform.

  6. Senior Frontend Developer - TRACK GmbH / Alphabet

    Apr 2022 - Aug 2022

    Implemented React components and headless CMS integration for the international relaunch of alphabet.com, a BMW Group commercial vehicle management brand.

  7. Frontend Developer - brandung GmbH & Co. KG

    Mar 2020 - Aug 2021

    Delivered React, Next.js, CSS and Storybook work for consumer and fitness clients including McFit, John Reed Fitness, High5, Ferrero and Overkill.

  8. Senior Frontend Developer - IBM iX / Hyundai IONIQ 5

    Nov 2020 - May 2021

    Built visual and functional parts of an international launch website, including accessibility considerations across markets.

  9. Lead Software Developer - shuccle AG

    Sep 2008 - Mar 2019

    Led backend, frontend, server operations and React Native app development for a decentralized search engine using Node.js, MongoDB, Redis and React.

Education

Business Informatics, Hochschule Harz and Otto-von-Guericke-Universitat Magdeburg

Languages

German native, English C1