Hey! I'm Guillaume.

about

A student by day and a developer by night, I live for computing and have a constant thirst to learn and experiment.

My passions are many and varied: computing, electronics, photography, astrophotography and amateur radio.


My fields
ANALYSIS
PROGRAMMING
TESTING
DOCUMENTATION
NETWORKS
PHOTOGRAPHY
ASTRONOMY
ELECTRONICS

SKILLS

Being self-taught by nature, I take an interest in a great many subjects and work with lots of technologies. Here is a list of the technologies and environments I use, with the number of years of practice:

Linux 14 years (since 2012)
Windows 16 years (since 2010)
Git 10 years (since 2016)
C/C++ 10 years (since 2016)
Virtualization 9 years (since 2017)
SQL 8 years (since 2018)
PHP 8 years (since 2018)
Containerization 7 years (since 2019)
CI/CD 6 years (since 2020)
Python 10 years (since 2016)
Infrastructure as Code 2 years (since 2024)

My work

education

My diplomas, certifications and training, both academic and personal.

1
2026
Pyrotechnician qualification certificate F4T2 Level 2
Pyragric - Use of category F4 and T2 pyrotechnic articles for professional firework displays.
2
May 2025
Remote pilot competency certificate (subcategory A2)
French Civil Aviation Authority (DGAC)
3
March 2024
Remote pilot certificate (subcategories A1/A3)
French Civil Aviation Authority (DGAC)
4
2020-2022
Bachelor +4 (work-study), Application Designer and Developer
ENI (Nantes) - Fullstack and application developer training; I am aiming for a master's degree in cybersecurity.
5
2018-2020
Higher National Diploma in Digital Systems, IT and Networks option
Lycée Grandmont (Tours)
6
2016-2018
Technological Baccalaureate STI2D, Information and Digital Systems specialty
Lycée Augustin Thierry (Blois)

experience
September 2022 - August 2026
Full Stack Developer at Moji (permanent contract) Nanterre, Hauts-de-Seine

Development mainly in Golang of internal tools (monolithic applications and microservices), an extranet for our clients, and internal and open-source modules/libraries.

July 2026 - Present
Pyrotechnician at Pyro-Fêtes (occasional contracts) Le Controis-en-Sologne, Loir-et-Cher

Use of pyrotechnic articles for professional displays (towns, events, weddings, christenings, theatre, cinema effects, etc.)

July 2023 - Present
Science Educator and Public Outreach Officer at the French Astronomy Association Paris

Hosting the "Paris sous les étoiles" event. "Explore Espace" and "Rencontres du Ciel et de l'Espace" festivals. Scientific outreach and popularization of astronomy in middle and high schools. Running educational workshops for young and old.

March 2022 - August 2022
Developer at 2LINFO (work-study) Haute-Savoie, Auvergne-Rhône-Alpes

Development in Golang of several web applications and REST APIs with a PostgreSQL database, as well as Golang modules/libraries.

September 2020 - March 2022
IT Manager at Gedimat (work-study) Auvergne-Rhône-Alpes region

Head of the IT department for the Gedimat stores in the Auvergne-Rhône-Alpes region. I managed the network and server infrastructure, as well as workstations and business applications. I also handled maintenance and user support.

8-9 February 2020
LAN Party organizer La Fabric, Blois, Loir-et-Cher

Organizer and server administrator for the second edition of the AirTheLan, a two-day LAN party with an all-nighter, bringing together around forty players competing in various games with many prizes to win. I was in charge of the voice servers and the Trackmania server.

Since June 2019
Server room @home

I built a server room first at home then in a datacenter with several servers that I use for development on my personal projects, hosting many services, hosting VPSs and experimenting to learn new technologies.

2017-2020
Developer and game designer

Creation of photorealistic scenes in Blender and Unreal Engine, research on fluid simulation algorithms, 3D scans via photogrammetry.

February 2018 - March 2020
Temporary production worker Phenix Metal Industrie, Nazelle-Negron, Indre-et-Loire

Machining and assembly of metal frameworks for Phenix houses. I worked there during the holidays in 2018, 2019 and 2020 on a 2x8 shift (5am-12:30pm / 12:30pm-8pm).


contact

Hi ! To get in touch with me (no spam / solicitation):