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Florian Lefebvre

Astro expert & fullstack developer

Fullstack developer. Freelancer. Astro core maintainer & TSC member. Open-Source lover. French. Two-time winner of the Astro Community Award.

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Featured project

PayFit
Mar 2025 - Aug 2025
Payroll software that powers your business and its people

Consulting services for Astro : migration project assessment, Astro framework training, migration strategy development, implementation support and troubleshooting, performance optimization.

Work

Seibert Group
Nov 2024 - Now
Agile Software Consulting & Development

Consulting services for Astro , assisting with the development and launch of an internal UI Kit, and making key technical decisions.

Astro
Jun 2024 - Now
The web framework for content-driven websites.

Core maintenance of Astro : issues and PRs triaging, development of new features (astro:env, fonts API) , coordination and planning of Astro 6.0, TSC membership.

Screenshot of the website home page
Saturday Quiz Time
Sep 2023 - Mar 2025
A weekly 25 question quiz delivered to you via SMS every Saturday.

Migration from Vue components from Options API to Composition API. Better use of Astro , introduction of TypeScript , Prettier , XState . Database change, auth system rework and more.

Screenshot of the website home page
Legis Music
Jun 2023 - Apr 2024
Royalty-Free music licensing and related articles

Migration from Wordpress to Astro and Tailwind : HTML data exporting and processing to obtain exploitable Markdown, custom i18n system, Tina as a CMS.

Screenshot of the Stats page
Dumpus
May 2023 - Aug 2023
Detailed insights and stats for your Discord account

Design of the whole UI from concept using Figma , coded with Tailwind . App is offline-first and cross-platform, built with Next.js , Capacitor and Tauri .

Screenshot of the Token Analyzer page
Miyamoto
Apr 2023 - May 2023
Smart contract auditor

Implementation of the frontend from a mockup. Built with Next.js and Tailwind . Focus on performance because of because of numerous API calls, with the help of Tanstack Query .

Screenshot of the website home page
RégioLangues
Feb 2023 - Mar 2023
Collaborative resource portal

Resources portal built with Astro SSR, React , Tailwind and Directus . Features advanced filtering, an interactive map, all synced to the URL for easy sharing.

Results

PayFit

56% faster loading time, 32% LCP improvement, 100% CLS improvement, 25% INP improvement.

Astro

Improved security with astro:env, improved performance with the fonts API.

Saturday Quiz Time

+37% revenue over a year, decrease of opened support tickets, improved security.

Testimonials

I had the pleasure of working with Florian and was truly impressed by his performance. He quickly grasped the project’s context, technical environment as well as the team’s workflow, while consistently delivering high-quality results. Responsive and autonomous, he knows when to escalate issues to keep progress on track. His clear reporting and excellent communication make collaboration seamless. On top of that, Florian is an expert in his field and a valuable asset to any project.

Jérémy Prioux

Engineering manager at PayFit

Florian has played a key role in the adoption of Astro despite of a strong WordPress followership in our organization: from setting up a solid infrastructure (including GitHub repositories, private NPM packages, and deployment pipelines) to sharing his in-depth knowledge of Astro and its ecosystem. Florian is fast and efficient: he’s worth every cent of budget.

Martin Seibert

Seibert Group GmbH CEO

Florian is an absolute pleasure to work with. Despite living on the other side of the world, communication has been great and he’s always been super responsive and eager to help out or give professional advice. Initially brought on to help me maintain a project, he’s improved the website tenfold, and I’ve also learned a lot myself in the process.

William Rainbird

saturdayquiztime.com.au owner

Florian is a super talented and skilled developer. I’ve been working with him for many months now and has helped me to reach the next level in my online business: always helpful, always responsive and on top of that, he’s a very good person. He’s become an essential part of our work operations since I met him.

Pablo Olondriz

legismusic.com owner

Florian is a highly competent and creative freelancer in his field. His excellent communication skills during projects and his human qualities have made him my first choice for almost a year when I have an interface to design or implement.

Simon Lefort

Freelancer

Contact

€100/hour

Feel free to reach out if you're looking for a developer, have a question or just want to connect. I may be able to take new missions depending on my availability.

Services: all things Astro (consulting, training, reviews, custom integrations...), frontend, backend, fullstack, cms, tooling and CI/CD...