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Jean-François ErdelyiJE

Jean-François Erdelyi

Technical Lead

€666/day
Toulouse, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jean-François

Technical Lead & C++ Engineer specialized in simulation, complex systems, and R&D (aerospace, defense, IoT)

As a C++ engineer specializing in simulation and systems, I design and develop complex software solutions for aeronautics, defense, IoT, and R&D projects. With over 10 years of experience, I combine software architecture, systems integration, and innovative R&D to create reliable and high-performance applications.

I offer my services in software development, simulator design, IoT prototyping, and technical consulting for clients seeking an expert capable of managing both development and the overall technical vision.

My strengths
- Advanced expertise in C++ and software architecture (with proficiency in Java, Python, C#)
- Experience in R&D and innovation, complex projects
- Development of simulators with or without integration of external systems (embedded, third-party services, ...)
- Good knowledge of communication protocols such as ARINC, DIS, and MQTT
- "Jack-of-all-trades" mindset with continuous learning and technological watch (currently upskilling in Rust)

I am looking for innovative and technical freelance missions where I can leverage my skills to design and develop tailor-made solutions, while also participating in the overall project strategy.

In my free time, I enjoy music (piano & singing), diving (currently N3 FFESSM intern), and freediving, as well as personal IT projects (e.g., plugins for the Godot engine), electronics, and IoT, sometimes involving 3D printing. I regularly participate in Game Jams. I also teach programming, embedded systems (Arduino), and IoT, an activity I greatly enjoy and which I also apply in supporting technical teams and/or clients.
  • English

    Fluent

  • French

    Native or bilingual

Can work on-site
Toulouse (up to 20km)

Experience

  • CS in Defense & Security
    Technical Lead
    DEFENSE AND MILITARY
    December 2025 - Today (6 months)
    Toulouse, France
    Technical Lead (Research and Innovation) for European projects at CS Group BU Defense & Security - C2SO (Command, Control and Support to Operations), Innovation Lab.
    Technical Project Management R&D C++
  • 6MOUV
    Technical Lead | Design and Development Engineer
    AVIATION AND AEROSPACE
    October 2022 - December 2025 (3 years and 2 months)
    Toulouse, France
    On one hand, I am a project manager, and on the other, I participate in the design and implementation of the software architecture (and the various software components) of certified physical simulators for airplanes and helicopters (FNPT, FTD, MCC). I design flight models, develop embedded software and visual systems, and oversee interfaces using ARINC (in the

    With our team, we are committed to creating immersive simulation experiences that facilitate learning and enhance technical skills. This collaborative work has notably resulted in the development of our latest product, the MR1 simulator (https://www.youtube.com/watch?v=Dq5DQDaTt9s).
    C++ R&D Technical Project Management Software Architecture Embedded Systems
  • CS GROUP in Defense & Security
    Design and Development Engineer
    DEFENSE AND MILITARY
    October 2021 - October 2022 (1 year)
    Toulouse, France
    I am working on a solution for the development of virtual training systems InscapeVTS (https://inscape3d.com/en/).

    The solution allows for the creation of scalable training applications such as Virtual Maintenance Trainers (VMT) or Virtual Task Trainers.

    The software suite includes all the necessary tools to develop and deploy engaging training simulators that accelerate the acquisition of technical skills and enable students to retain them over time.I am working on a solution for the development of virtual training systems InscapeVTS (https://inscape3d.com/en/). The solution allows for the creation of scalable training applications such as Virtual Maintenance Trainers (VMT) or Virtual Task Trainers. The software suite includes all the necessary tools to develop and deploy engaging training simulators that accelerate the acquisition of technical skills and enable students to retain them over time.
    Training Facilitation C++ Numerical Simulation Qt Software Design

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Education

  • Master
    Université Paul Sabatier
    2016
    Systèmes Interactifs et Robotique
  • Bachelor's Degree
    Université Paul Sabatier
    2014
    Systèmes et Microsystèmes Intelligents

Skill set

Categories