
Mathieu Breton
CTO as a Service
Salary / Daily rate
Bordeaux, France
Mobility: Paris, Toulouse
Freelance
Can come onsite
Skills
Languages
About me
Intro
CTO as a Service with 15+ years scaling tech companies from startup to €300M+ monthly transactions. Co-founded Swan (leading European BaaS fintech) and JS-Republic (€1.5M revenue consulting firm). Expert in JavaScript/Node.js, AWS, and building high-performance fintech platforms for rapid business growth.
Work experience
CTO as a service
Sep 2025 - Present
1 year 2 months
Angel Investor
Shipfox
May 2025 - Present
1 year 6 months
Paris, France
Angel Investor
Phacet
Sep 2024 - Mar 2025
7 months
CTO & Cofounder
Swan
Jan 2019 - Mar 2025
6 years 3 months
Paris, France
Swan is a European fintech and innovation leader in embedded finance. Swan’s Banking-as-a-Service (BaaS) platform is the easiest way for companies to embed banking features. Via its simple APIs, European companies can integrate banking services (accounts, cards and payments) quickly and easily into their own product Founded in 2019, Swan processes around 300 million euros of transactions per month, for 100+ companies across ten European countries. Swan has over 150 employees and is led by fintech experts and experienced entrepreneurs Nicolas Benady, Nicolas Saison and Mathieu Breton. The company was founded with the startup studio, eFounders, and has received growth capital from leading VC investors such as Lakestar, Accel, Creandum, and Bpifrance.
Associate Founder
JS-Republic
Jan 2016 - Oct 2018
2 years 10 months
Paris, France
At the golden age of the JavaScript language, I co-founded JS-Republic, a French consulting company, providing expert JavaScript services. With a strong technical DNA and knowledge exchange culture, the company became in two years one of the Parisian leading JavaScript company. Before to quit this adventure to build Swan, JS-Republic reached 1.5 m€ of annual sale and 600 k€ of EBIT with fifteen consultants.
Xebia France
Feb 2012 - Jan 2016
4 years
Paris, France
Senior Software Engineer
Feb 2012 - Jan 2016
4 years
Paris, France
As a pioneering IT consultancy company, Xebia delivered high-quality services covering all digital transformation aspects. (Xebia France has been acquired by Public Sapient in 2019)
Senior Scala/JavaScript Software Engineer for Ingenico Group
Mar 2015 - Dec 2015
10 months
Région de Paris, France
Confirmed Java/JavaScript Software Engineer for XebiaLabs
Jul 2014 - Mar 2015
9 months
Paris Area, France
Confirmed Java/JavaScript Software engineer for SmartFocus
Jan 2014 - Jul 2014
7 months
Clichy, France
Software Engineer for Oui.sncf
Feb 2012 - Dec 2013
1 year 11 months
Paris, France
Software engineer
BT Global Services
Apr 2010 - Mar 2012
2 years
Paris, France
Education
SUPINFO
International Master of Science
2005 - 2010
6 years
La Châtaigneraie
BTS ITIS
2005 - 2007
3 years