Olivier Vallee
Lead Developer at Vallée Solutions EURL
Greater Paris Metropolitan Region France
Summary
👤
Senior🎓
Top SchoolOlivier Vallee is a seasoned lead developer and founder with over 20 years in software engineering and 14 years of focused industry experience delivering finance and integration solutions for TUI and travel companies. He blends deep Java and modern C#/.NET expertise with frontend JavaScript/React, applying DDD, TDD, BDD and hexagonal architecture to build domain-aligned, robust systems—often migrating legacy ETL and ESB landscapes to cloud-native, containerized platforms. Comfortable as both a lone contributor and a mentor, he has led EventStorming workshops, designed event-sourced solutions, and guided teams through Talend-to-Microsoft migrations and CI/CD industrialization. Based in Greater Paris, he pairs hands-on coding with architectural vision and a knack for translating complex accounting processes into secure, auditable software.
14 years of coding experience
23 years of employment as a software developer
DUT, Computer Science, DUT, Computer Science at Paris-Sud University (Paris XI)Final Project, Computer Science, Final Project, Computer Science at University of Brighton
French, English, Spanish
Github Skills (3)
des8
github-api6
ruby5
Programming languages (1)
Github contributions (5)
zatona/puckman
Mar 2012 - Mar 2014
Contributions:33 commits in 2 years
zatona/onestlatech.github.io
Dec 2019 - Dec 2019
Manifeste des travailleuses et travailleurs du numérique pour une autre réforme des retraites
Contributions:1 push in 1 day
railsrubydesnumretraites
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