Xavier Raffin
Chief Technology Officer at HotTakes
Comox, British Columbia, Canada
Summary
👤
Senior🎓
Top SchoolXavier Raffin is a pragmatic technology leader and CTO with 15 years of experience designing and operating high-scale, resilient systems across startups and enterprise environments. He combines hands-on full-stack expertise—from embedded and real-time systems to cloud-native microservices—with leadership of distributed engineering organizations of up to 50 people across multiple continents. Known for translating strategic business goals into actionable roadmaps and architectures, he has led migrations to Kubernetes, modern CI/CD, and dramatic reliability and cost improvements (e.g., Visualping: +250% customers, +630% revenue, 50% infra cost reduction). His background at AWS and contributions to open-source projects like Navitia reflect a rare blend of customer-facing sales/solutions experience and deep technical craftsmanship. He prioritizes talent development, inclusive culture, and product-centric engineering to deliver secure, production-grade services at scale.
15 years of coding experience
19 years of employment as a software developer
Master Applied Mathematics, Master Applied Mathematics at Université Paul Sabatier Toulouse IIIMaster Computer science & Mathematics, Master Computer science & Mathematics at INSA Toulouse - Institut National des Sciences Appliquées de Toulouse
French, English
Stackoverflow
189reputation
15kreached
9answers
0questions
Github Skills (15)
user-authentication10
authentication10
api10
python10
apidoc10
postgresql8
amazon-rds6
aws-lambda6
html6
aws-apigateway6
symlink6
amazon-ec26
amazon-web-services6
android6
java6
Programming languages (13)
Github contributions (5)
hove-io/navitia
Mar 2015 - Nov 2015
The open source software to build cool stuff with locomotion
Role in this project:
Back-end Developer
Back-end DeveloperContributions:48 commits, 15 PRs, 33 comments in 9 months
Contributions summary:Xavier contributed to the `navitia` project by addressing key errors and adding optional features. They implemented checks to prevent `KeyError` exceptions within the `ResourceUri.py` file and added a feature to deactivate HATEOAS link generation. Furthermore, the user made several improvements related to authentication and the use of default regions within the application.
trip-plannerjourney-plannermobilitylocomotiontrip-planning
xavierraffin/regisraffin.com
Sep 2015 - Jul 2022
Contributions:53 pushes in 6 years 11 months
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