Available
Currently building: Paperboy →

I build web apps & tools from idea to deployment.

Baptiste Bouillot, CTO and product engineer based in Nantes, France. 15+ years of experience across startups, agencies and personal projects. I design and develop web applications, business tools and SaaS — from brief to production.

Web apps SaaS Business tools Open-source
00

Journey

15+ years of craft

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'25
2025
Project

Pennywize

Launch of an AI financial copilot for freelancers

'24
2024
Project

Tolery.io

AI-powered CAD file generation SaaS

Project

Paperboy

Content curation and newsletter distribution platform

'23
2023
Project

Filament Jobs Monitor

Open-source Laravel package — 245+ GitHub stars

'21
2021
Milestone Matière Noire

Matière Noire Exit

Agency sale after 5 years of growth

Role Dernier Cri

Chief Technology Officer

Tech & product agency, 120 employees

'16
2016
Role Matière Noire

Co-founder & CTO

Digital agency creation in Nantes — 0 to 25 employees

'13
2013
Role Freelance

Lead Developer

Freelance web development — startup and agency clients

'12
2012
Role Deezer

R&D Manager

R&D unit creation in Berlin — music recommendation

'10
2010
Role Agences parisiennes

Full-Stack Developer

Web development for digital agencies in Paris

'08
2008
Milestone

Career start

First professional web projects

01

Selected work

Six projects that best represent what I do today.

02

Open-source

Packages I maintain and ship to the community.

@croustibat

GitHub Activity

View profile

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Public repos

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Followers

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Contributions

03

Music

30 years of practice. Same approach as code: iteration, rigor, energy.

Punk / Hardcore / Garage 2018–présent

Vigilante

Guitare

Nantes-based punk hardcore garage. Raw energy, aggressive riffs, explosive live shows. Currently active project.

Punk-rock français 2008–2014

Poésie Zéro

Guitare, composition

French punk-rock. 4 albums, committed lyrics, stage energy. A foundational project that taught me the rigor of collective work.

Pop-punk 2009–2011

Sheldon Cooper's Spot

Guitare

Melodic and energetic pop-punk. Catchy riffs, anthemic choruses. A fun, no-frills project.

04

Let's build something useful.

If you want a builder who ships, iterates, and cares about craft.