Summary
Johan Chavaillaz is a seasoned engineering leader with 12 years of experience building and operating mission-critical payment systems in Switzerland, currently Head of Frontoffice Acquiring at Worldline. He combines hands-on Java backend and DevOps expertise with a servant-leader approach, managing large teams (up to 80 people) to ensure 24/7 availability, scalability and resilience for real-time payment rails. Comfortable at the intersection of business and technology, he translates customer and regulatory requirements into robust architectures and operational practices. Johan has a track record of driving continuous improvement—introducing Agile/DevOps practices, automated testing and HA platform migrations—while stepping into software architect and crisis-management roles when needed. Outside day-to-day ops he’s contributed to internal innovation (hackathon prizes) and quality engineering tooling, reflecting a persistent focus on reliability and excellence.
12 years of coding experience
15 years of employment as a software developer
Maturité Professionnelle Technique, Maturité Professionnelle Technique at Division Technique du CEJEF, Porrentruy
Certificat Fédéral de Capacité, Certificat Fédéral de Capacité at Ecole des Métiers Techniques, Porrentruy
Master of Science HES-SO in Software Engineering, Master of Science HES-SO in Software Engineering at University of Applied Sciences and Arts Western Switzerland
French, English, German