Middle Embedded Software Developer (IoT)
Summary
Develop embedded firmware for IoT beverage dispensers in C/C++ on STM32/ARM Cortex-M, integrating displays, sensors, and secure OTA updates.
- Design and implement components and drivers (display, camera, sensors, actuators)
- Develop beverage dispensing logic (temperature, pumps, valves, safety)
- Implement and manage secure firmware updates (OTA) over HTTPS
- Develop and optimize embedded user interfaces with LCD touchscreens and graphics libraries
- Code in C/C++, debug, and create documention
- Perform unit and integration testing on real hardware
- Support QA engineers during validation and troubleshooting
- Participate in planning, estimation, and customer meetings
- Collaborate with architects, security, and compliance engineers
- Ensure adherence to best engineering practices and quality standards
- 4+ years of experience in embedded software development using C/C++
- Strong knowledge of STM32 (H7/MP1), ARM Cortex-M and familiarity with NXP, TI, SiLabs platforms
- Experience with communication interfaces: UART, I2C, SPI, and Wi-Fi
- Proficiency with networking protocols: MQTT, DNS, DHCP, mDNS, TCP/IP and UDP
- Experience with FreeRTOS or Zephyr
- Experience with embedded graphics framework (TouchGFX)
- Experience with LCD touchscreen integration (capacitive/resistive controllers, drivers)
- Experience with security features (secure boot, checksums, OTA updates)
- Experience with bootloader development and OTA support
- Understanding of cybersecurity in IoT solutions
- Upper-Intermediate level of English
WOULD BE A PLUS:
- Experience with camera integration (image capture, processing, streaming)
- Experience with face recognition and/or embedded vision SDKs
- Experience with file systems (FatFS, LittleFS) and networking stacks (lwIP or similar)
- Background in fluidics control (pumps, flow sensors, pressure sensors)