Arnaud Jeansen
Chief Technology Officer at Time for the Planet
Paris, Ile-de-France
Summary
👤
Senior🎓
Top SchoolArnaud Jeansen is a seasoned technology leader and current CTO at Rakuten France with 16 years of experience transforming IT organizations, modernizing legacy platforms, and scaling engineering teams. He has progressed from hands-on software engineering and systems integration roles to senior leadership positions—shaping delivery, architecture, and CI practices across companies like QUICKSIGN, Thales, and NCR. Known for combining pragmatic operational architecture with strategic restructuring, he drives measurable improvements in reliability and time-to-market while mentoring engineering leaders. Based in Paris and academically grounded in information technology from INSA Rouen and studies at TU Wien, he also contributes time to mission-driven initiatives such as Time for the Planet, reflecting an interest in tech for sustainability.
16 years of coding experience
15 years of employment as a software developer
Vienna University of TechnologyMaster of Science Information Technology, Master of Science Information Technology at INSA Rouen Normandie
English, French, German, Japanese
Stackoverflow
1,684reputation
226kreached
37answers
7questions
artifactory
top-5%
Github Skills (172)
api-client10
swagger10
jfrog-xray10
camunda10
code-analysis10
rest-client10
openapi-generator10
yaml-format10
maven10
linter10
extensible10
rest-api10
refactoring10
resharper10
openapi10
Programming languages (9)
Github contributions (5)
ajeans/ajeans.github.io
Sep 2017 - Feb 2025
Contributions:4 pushes, 1 branch in 7 years 5 months
ajeans/openapi-generator
Nov 2020 - Jan 2021
OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
Contributions:7 pushes, 2 branches in 1 month
api-clientapisdk-generationopenapi-specstubs
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