Josuah Demangeon
Embedded Software Engineer at DIRECT INFO SERVICE
Vitré, Brittany, France
Summary
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RockstarJosuah Demangeon is an embedded software engineer with six years of experience, based in Vitré, Brittany, who specializes in low-level drivers and IoT integration. He contracts through Panoramix Labs to work on advanced embedded vision projects with tinyVision.ai, combining practical product delivery with experimentation. An active contributor to the Zephyr RTOS, Josuah has improved video and UART drivers, refined video driver APIs, and added LVGL-based video capture samples, showing deep familiarity with RTOS internals and display stacks. He also maintains systems and networks in operational roles, bringing hands-on infrastructure know-how to firmware development. Known for turning tricky hardware-software interactions into reliable driver behavior, he blends meticulous debugging with clear documentation. Colleagues value his ability to bridge embedded subsystems and higher-level UI frameworks to ship testable, maintainable features.
6 years of coding experience
Github Skills (12)
embedded-language10
embedded10
zephyr-rtos10
driver10
realtime10
microcontroller10
api-design9
c119
c179
i2c7
bluetooth5
bluetooth-le5
Programming languages (20)
Github contributions (5)
zephyrproject-rtos/zephyr
Feb 2023 - Apr 2025
Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:622 reviews, 62 PRs, 872 comments in 2 years 1 month
Contributions summary:Josuah primarily contributed to the Zephyr RTOS video driver subsystem, focusing on improvements and bug fixes. Their work included resolving issues in the UART driver, enhancing video driver functionality by allowing broader endpoint specifications, and refining video driver APIs. Furthermore, the user added documentation and implemented a test video capture sample within the LVGL framework, demonstrating a strong understanding of embedded system video and display integration.
bluetooth-lereal-timezephyrsecuregit-repository
tinyvision-ai-inc/tinyclunx33_zephyr_example
Jan 2024 - Mar 2025
Zephyr running on the tinyCLUNX33 SoM
Contributions:23 releases, 4 reviews, 18 PRs in 1 year 2 months
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