AR

Alexy Roman

Systems Architect & Developer

Toulouse, France
Saint-Tropez, France

Introduction

I am a systems architect, passionate about designing solutions to complex problems, particularly in the aeronautics domain. I also develop web applications and IoT solutions as a hobby and as part of freelance projects.

LinkedIn

Positions

Systems Engineer – ATM Systems

2025 - Present

Egis Avia

Support to the contracting authority for system architecture.

Developer – Freelance

2021 - Present

WebOustaou

Full-stack development, web hosting, SEO, data analysis.

Systems and Software Engineer

2024 - 2025

H3 Dynamics

Implementation of systems engineering processes in a startup environment, system architecture, inter-software integrations, and deployment of AI tools. Development of web applications for client projects.

Fuel Cell Verification and Validation Engineer (Final Internship)

2024

H3 Dynamics

Development of systems engineering processes, development and execution of fuel cell tests, and development of tools for processing test data.

Seasonal Worker – Pizza Maker – Butcher’s Assistant

2016 - 2022

Boucherie Darius - Le Darius

Seasonal work in food service and butchery.

Education

Aix-en-Provence Military High School

Preparatory Classes in Physics, Chemistry, and Engineering Sciences

2018 - 2020

Military Preparatory Training for the Reserve

Army and Air Force military preparation – Camp de Canjuers – Salon-de-Provence Air Base

2018

Detailed Projects

ATM System Architecture

2025 - Present
Egis AviaSystems Engineer – ATM Systems

Web Development

2023 - Present
WebOustaouFull Stack Developer – Freelance

Development of dynamic websites using CMSs, advanced features, and integrations with third-party APIs.

  • Design of shared architectures with APIs for future complex integrations (online ordering, etc.)
  • Redesign of existing websites for dariuspizza.fr
  • Development using the Next.js and Supabase stack, deployed on Vercel
  • Advanced analytics features

Embedded Fuel Cell System Architecture

2025
H3 DynamicsSystems and Software Engineer

Development of the system architecture of a hydrogen fuel cell integrated into an electric powertrain, including full modeling using Capella (MBSE) following the Arcadia methodology across system, logical, and physical analyses.

  • Modeling of Airbus-type aircraft functions
  • Modeling of powertrain and fuel cell system functions based on EASA certification principles for standardized integration
  • Architecture of the hydrogen powertrain system
  • Modular development of logical and physical fuel cell architectures

Deployment of AI Tools and Software Project Management

2024 - 2025
H3 DynamicsSystems and Software Engineer

Management of software projects, development and supervision of external developers, and deployment of artificial intelligence tools to improve engineering processes.

  • Project management and development for a client software project
  • Development of an internal cloud-based product for fuel cell management
  • Cloud management (AWS & GCP)
  • Deployment of AI tools for engineering

Implementation of Systems Engineering Processes in an Aeronautical Startup Context

2024
H3 DynamicsFuel Cell Verification and Validation Engineer

Final-year project.
Development of systems engineering processes adapted to an aeronautical startup.

  • Project selected with exceptional distinction from the jury
  • Development of systems engineering processes adapted to an aeronautical startup within the INCOSE and ARP-4754 framework
  • Development and execution of fuel cell tests
  • Development of a Python tool for processing test data, reducing report processing time by a factor of three

Website Development

2021 - 2023
WebOustaou (DariusDev)Web Developer – Freelance

Development of showcase websites using CMSs for small businesses and associations.

  • Development of multiple CMS-based showcase websites
  • Web hosting, DNS configuration, and client management
  • SEO optimization and search engine ranking

Skills

Languages

English
Fluent
French
Native

Programming Languages / Frameworks

Python
Expert
Web (HTML/CSS, JS/TS, PHP)
Expert
Java
Advanced
C/C++
Intermediate
Scripting (Linux, Windows), SQL
Expert
Next.js, React
Expert

Technical Skills

Systems Engineering (INCOSE)
System Architecture
DevOps
Requirements Management
EASA & EUROCAE Standards and Processes
Computer Science Fundamentals, AI, Algorithms
Verification and Validation
ATM Systems
Aeronautics

Software Tools

Capella
Enterprise Architect
Requirements Management (DOORS, Jama, Flow)
Jira
Git
Docker
Supabase - Vercel
AI Tools – Prompt Engineering
Cloud Management (AWS, GCP, OVH)

Hobbies & Interests

Hardware & Software

Powerlifting & Calisthenics

Hiking & Trekking