Embedded Linux / Yocto Systems Engineer

As a key member of our R&D team, you will be among the pillars driving the development of our wearable products. You will be involved across the entire embedded software lifecycle-from low-level layers (drivers, BSP) to the user interface-leveraging your deep expertise in the Embedded Linux ecosystem and the Yocto build system., * Design, develop, and maintain software architectures for wearable products based on NXP processors and microcontrollers (NXP, STM32).

• Develop low-level drivers (kernel space) and integrate hardware components (sensors, power management, connectivity).
• Develop upper application layers, including user interface (UI) management.

Build Engineering & DevOps (Yocto/CI-CD)

• Create, maintain, and optimize the Yocto build system (recipes, layers, BSP configuration).
• Implement and continuously improve the Release process and Continuous Integration (CI/CD).
• Manage code versioning and development workflows using Git.

Integration, Validation & Quality Assurance

• Integrate software onto target platforms and work closely with the hardware engineering team.
• Define and execute test plans, functional validation, and performance testing (battery life, memory footprint, criticality).
• Write associated technical documentation (specifications, architecture manuals, test procedures).
• Track issues and manage tasks using Jira.

Technical Skills:

• Systems & Build: Strong mastery of Embedded Linux and the Yocto Project environment.
• Programming Languages: Excellent command of C/C++ (essential for low-level development), Python (scripting, testing, Yocto), and Rust (for modern and secure application development).
• Hardware: Proven experience with NXP processor architectures (e.g., i.MX) and STM32 microcontrollers. Ability to read hardware schematics.
• Tools & Methodology: Proficiency with Git, Jira, and CI/CD pipelines (BitBucket CI, Jenkins, or equivalent).
• Linux Security:
• Good understanding of Linux security principles.
• Awareness of common embedded attack surfaces and best practices for reducing them.
• Secure Boot & Code Signing:
• Familiarity with secure boot concepts and boot chain integrity
• Basic understanding of code signing workflows, cryptographic keys, and how they integrate into a CI/CD pipeline.
• Awareness of filesystem integrity mechanisms such as dm-verity or IMA/EVM.
• OTA Updates:
• Understanding of OTA update architectures and.
• Awareness of the constraints and failure scenarios specific to field-deployed IoT.
• Application Containerization: Familiarity with containerization concepts (Docker, Podman, or LXC/LXD) and their applicability in embedded Linux environments.

Experience:

• Minimum 3 years in Embedded Linux development.

Languages:

• French: Fluent
• English: Proficient

WHAT WILL PUT YOU AHEAD

• Autonomy & Rigor: Ability to manage a product end-to-end (from driver to UI) with high standards for code quality.
• Team Player: Ability to work in synergy with hardware engineers and the product team.
• Technical Curiosity: Strong interest in the IoT/connected devices ecosystem (memory, power, and performance constraints).

• The opportunity to work on a tangible, innovative product with high technological value.
• A stimulating technical environment.