Java developer · Lyon
Pierre-Olivier Tilloy
I'ma a Java developer at CGI since 2017. On my free time, I like to build some stuff for me or the community.
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Personal projects
A selection of personal projects.
since March 2026 
Expo 
React Native 
Java 
Spring 
PostgreSQL 
Claude
Lyne
Lyne is a mobile app that let you check schedules and locations of the public transports of Lyon.
Expo React Native Java Spring PostgreSQL Claude 
since May 2025
Profilarr French DB
Profilarr database, based on french release teams (based on TRaSH Guides) with MULTi Audio.
July 2026
Custom New Tab
A Firefox extension that allow to display a custom page when you open a new tab, and that directly focuses on the search bar.
+ 1 more project
See all projects →Skills
Languages, frameworks and tools I've worked with.
Languages
JavaScript Java PostgreSQL 
Python 
Shell Frameworks
Angular 
Apache Camel 
Hibernate 
NodeJS 
Quarkus React Native Spring 
Vert.x Tools
Ansible Claude 
Docker Expo 
Elasticsearch 
Gitlab 
Kibana 
Jenkins 
Redis 
Talend WebmethodsCareer
Key milestones in my professional path.
since June 2026
Développeur Java - ENEDIS
CGI · Lyon
Java PostgreSQL Redis JavaScript Gitlab Hibernate February 2024 → June 2025
Développeur Java - AIFE
CGI · Lyon
Java PostgreSQL Angular Gitlab Ansible Hibernate November 2022 → December 2023
Développeur Java - Rectorat Dijon
CGI · Lyon / Dijon
Java Vert.x Quarkus PostgreSQL Gitlab Hibernate April 2021 → November 2022
Développeur Java - ASP
CGI · Lyon / Limoges
Java Apache Camel Elasticsearch Kibana PostgreSQL Jenkins Gitlab Hibernate November 2017 → April 2021
Développeur ESB/ETL - Louis Dreyfus Company
CGI · Lyon
Talend Elasticsearch Kibana Webmethods Jenkins + 3 more experiences
Latest articles
Experience reports and technical notes.