Embedded Software Engineer - C / C++

Your Responsibilities :

• Development and maintenance of embedded software in C / C++ for microcontroller-based systems.
• Programming and configuration of STM32 microcontrollers (Cortex-M0+, M4, M33).
• Implementation of device drivers, peripheral interfaces, and communication protocols (UART, SPI, IC, etc.).
• Adaptation and optimization of existing product software.
• Software integration and testing on target hardware.
• Conducting Unit-Tests and Code Reviews.
• Driving and contributing to the test strategy.
• Design and maintenance of the development ecosystem and CI / CD pipelines using GitLab / Jenkins.
• Setup, maintenance, and continuous improvement of embedded toolchains (compilers, linkers, debuggers, build systems).
• Optimization and integration of embedded IDEs (e.g., JetBrains CLion, VS Code) with appropriate plugins.
• Evaluation and documentation of tools, and creation of development guidelines.
• Collaboration with cross-functional teams (mechanics, electronics, testing, hardware).
• Future outlook : Participation in setting up a Linux-based toolchain and training Profile :
• Degree in Computer Science, Electrical Engineering, or equivalent qualification.
• Strong proficiency in C and C++, preferably in embedded software development.
• Experience in STM32 microcontroller families (especially Cortex-M0+, M4, M33).
• Experience with embedded development toolchains, IDEs (CLion, VS Code), and CI / CD systems.
• Familiarity with Unit-Test frameworks (e.g., Google Test).
• Solid understanding of schematics, technical datasheets, and reference manuals.
• Strong proficiency in Linux OS.
• Open-minded, structured, independent working style and strong team player.
• Good communication skills in English (German is a have : Stack : Languages :
• C hardware-based programming
• C++11 to C++17 or higher
• Python (used in toolchain and & Processors :
• STM32H5 (ARM Cortex-M33, 250 MHz)
• STM32U5 (ARM Cortex-M33, 160 MHz)
• STM32F4xx
• STM32F103
• Cortex M0+, M4, M33 :
• Segger embOS (must have)
• Zephyr RTOS (nice to have for future development)
• IDE, CI / CD & Build Tools
• JetBrains CLion, VS Code
• CMake, Make
• Jenkins
• Git, GitLab
• JetBrains IDEs, Upsource
• Jira Software, & Tools :
• J-Link Debugger (SEGGER)
• ST-LINK / V3 Debugger
• & Communication :
• CAN (Controller Area Network)
• IO-Link
• Modbus (TCP)
• EtherCAT / PROFINET / OPC UA
• IC, SPI, & Certifications :
• Secure Boot & Secure Firmware Update (SFI / SFU) STM32H5 supported
• TrustZone for Cortex-M33 (secure / insecure application separation)
• AES-256 & SHA-512 Hardware Encryption
• ISO 61508 / IEC 62443 Safety & Security Standards

(ref : hirist.tech)