Hey! I'm Guillaume.

about

A jack of all trades and curious by nature, I love experimenting and constantly learning new things.

My passions are many and varied, from photography to programming, through pyrotechnics and science. I am always on the lookout for new challenges and new experiences to keep growing and thriving in all the areas that interest me.


SKILLS

Self-taught by nature, I'm interested in everything. Here is a non-exhaustive list of the technologies and environments I work with day to day:

Languages
Go
JavaScript / TypeScript
C/C++
Python
PHP
SQL
LaTeX
Java
Bash
Backend & architecture
Microservices
API REST / gRPC
Domain-Driven Design
monoliths
Feature-driven development
Modules / Libraries
Cloud & DevOps
Virtualization
Containerization
CI/CD
Infrastructure as Code
Ansible
Kubernetes
Systems & tooling
Linux
Git
OPNsense
VyOS
Nginx
Proxmox

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

Internet provider, datacenter & internet exchange point (AS47160). Development mainly in Golang of internal tools (monolithic applications and microservices), an extranet for our clients, and internal and open-source modules/libraries.

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.

June 2019 - Present
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, virtualization and containerization, hosting many services, hosting VPSs and experimenting to learn new technologies.

2017-2020
Developer and game designer @home

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

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.

Other experiences
July 2026 - Present
Pyrotechnician at Pyro-Fêtes 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 - Present
Video technician / photographer France

Video technician for events (concerts, festivals, etc.) and photographer for private and professional events.


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 studies in Java.
5
2018-2020
Higher National Diploma in Digital Systems, IT and Networks option
Lycée Grandmont (Tours) - Programming, administration and maintenance of computer systems and networks.
6
2016-2018
Technological Baccalaureate STI2D, Information and Digital Systems specialty
Lycée Augustin Thierry (Blois) - Programming, electronics, mechanics and energy applied to technological projects related to sustainable development issues.

MY FIELDS
ANALYSIS
PROGRAMMING
TESTING
DOCUMENTATION
NETWORKS
PHOTOGRAPHY
ASTRONOMY
ELECTRONICS

PROJECTS

contact

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

You can also find me on my social networks at the bottom of this page.


Available for work.

Last updated: June 2026.