Sébastien Arod
Interim CTO & Advisor at Pre-launch health tech startup
Lyon, Auvergne-Rhône-Alpes, France
Summary
👤
Senior🎓
Top SchoolSébastien Arod is an experienced software engineer and technology leader with over 20 years of hands-on experience building scalable, high-performance systems and leading engineering teams. As co-founder and long-time CTO of Semarchy he architected a market-leading Master Data Management platform and grew the engineering organization from 2 to 50+ in a remote-friendly environment. He blends deep backend expertise in Java/Spring and data platforms with modern frontend and DevOps skills (TypeScript/React, Kubernetes, AWS), and has contributed to notable open-source projects including TypeScript and the JVM test runner Infinitest. More recently he has been advising and steering tech strategy for a pre-launch health tech startup, translating AI-driven lab analytics into production-ready architectures. Based in Lyon, he is now seeking senior engineering or hands-on management roles where technology drives ecological or social impact. Colleagues describe him as an agile, fast-learning engineer who repeatedly turns early prototypes into product-grade systems.
11 years of coding experience
16 years of employment as a software developer
Master degree Computer Science, Master degree Computer Science at INSA Lyon - Institut National des Sciences Appliquées de Lyon
English, French, Spanish
Stackoverflow
6,114reputation
1.1mreached
39answers
5questions
google-chrome
top-5%
html
top-5%
jdbc
top-5%
typescript
top-1%
Github Skills (22)
debug10
javascript10
testing10
eclipse-plugin10
typescript10
java10
javas10
typescript-types10
typescripts10
jdbc9
compiler-design9
google-chrome9
html9
lang8
typechecker8
Programming languages (12)
Github contributions (5)
infinitest/infinitest
Feb 2015 - Sep 2021
Infinitest: The Continuous Test Runner for the JVM
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 releases, 41 commits, 37 PRs in 6 years 7 months
Contributions summary:Sébastien primarily contributed to the Infinitest project by fixing bugs related to the Eclipse plugin. Their work focused on resolving issues with the display of failure viewer dialogs and stack trace windows, improving the overall user experience within the Eclipse environment. These contributions involved code modifications within the Eclipse plugin, specifically targeting the handling of UI elements and the interaction with the Eclipse workbench. Additionally, the user addressed compilation errors and improved the status messages during test execution.
test-automationtestingcontinuoustest-runnerkotlin
microsoft/TypeScript
Oct 2015 - Nov 2015
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:5 commits, 1 PR, 18 comments in 3 days
Contributions summary:Sébastien primarily contributed to the TypeScript codebase by implementing features and fixing bugs related to parsing and handling comments in the tsconfig.json file. They modified the command-line parser to correctly handle comments and escaped characters within strings. Furthermore, the user enhanced the test suite by adding tests to cover different scenarios for parsing config files. These contributions demonstrate their proficiency in TypeScript and their ability to improve the compiler's functionality.
typecheckerjavascriptcleantype-checksuperset
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