Yann Ollivier
Software Developer at Tieto
Stockholm, Sweden
Summary
👤
Senior🎓
Top SchoolYann Ollivier is a seasoned software developer with 14 years of experience building maintainable, pragmatic systems across Scala, Java and Python ecosystems from cloud microservices to medical-record ETL. He favors functional programming and reactive architectures, and has applied those principles at companies ranging from streaming and travel platforms to healthcare and government projects. Comfortable in small, self-organizing teams, he emphasizes code quality, sustainability and practical trade-offs over purity, and mentors peers on architecture and clean code. Based in Stockholm, he prefers to work remotely and avoids unethical business, bringing a steady, long-term perspective rooted in engineering physics and applied mathematics. Notably, his career blends hands-on backend implementation with architectural responsibility across Kafka, Quarkus, Akka and cloud CI/CD toolchains.
14 years of coding experience
28 years of employment as a software developer
Master of Science - MS, Engineering Physics, Master of Science - MS, Engineering Physics at KTH Royal Institute of TechnologyClasses Préparatoires aux Grandes Écoles, Mathematics, Physics, Classes Préparatoires aux Grandes Écoles, Mathematics, Physics at Lycée HocheMaster of Science - MS, Applied Mathematics, Master of Science - MS, Applied Mathematics at École Centrale des Arts et Manufactures
Japanese, English, French, Swedish, German
Github Skills (24)
reactivemongo8
driver8
irc7
mongodb6
lua6
sbt6
scala6
asynchronous6
hubot6
database5
hammerspoon5
mongodb-driver5
non-blocking5
objective-c4
reactive4
Programming languages (6)
Github contributions (5)
YA2O/telemetry
Sep 2021 - Oct 2025
Contributions:13 pushes, 2 tags in 4 years 1 month
martinnorum/plotbot
Sep 2016 - Dec 2023
Hubot for HipChat @ Plotagon
Contributions:2 PRs in 7 years 4 months
hipchathubot
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