Embedded Software Developer (IoT)

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SeniorZdalnie·WarszawaFull-time

#470309·Dodano wczoraj·4

Źródło: Sigma Software

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Tech Stack / Keywords

C/C++STM32ARM Cortex-MUARTI2CSPIWi-FiMQTTFreeRTOSZephyr RTOS

Podsumowanie oferty

Develop embedded software for the Curated House System, a smart beverage solution with touchscreen interfaces, dispensing control, and connected-device features. Work across low-level firmware and system-level features, using C/C++ for embedded systems.

Wymagania

At least 4 years of commercial experience in embedded software development using C/C++
Strong expertise with STM32 and ARM Cortex-M architectures
Familiarity with embedded platforms from NXP, TI, or Silicon Labs
Hands-on experience with UART, I2C, SPI, and Wi-Fi communication interfaces
Solid understanding of networking protocols including MQTT, DNS, DHCP, mDNS, TCP/IP, and UDP
Experience with FreeRTOS or Zephyr RTOS
Experience implementing secure boot, OTA updates, checksums, and firmware validation mechanisms
Experience with bootloader development and firmware update support
Understanding of cybersecurity principles for IoT and embedded systems
Strong debugging and troubleshooting skills on real hardware
Upper-intermediate or higher English level
Strong problem-solving and analytical thinking skills
Ability to work independently and proactively in distributed teams
Good communication and collaboration skills
Attention to detail and commitment to engineering quality
Ability to balance low-level hardware interaction with system-level thinking

Nice to have:

Experience with camera integration, image capture, processing, or streaming
Experience with face recognition technologies or embedded vision SDKs
Experience with embedded file systems such as FatFS or LittleFS
Experience with networking stacks such as lwIP
Background in fluidics control systems, including pumps, flow sensors, or pressure sensors
Experience working with FPGA or ASIC-based systems

Obowiązki

Design and implement embedded software components and hardware drivers for displays, cameras, sensors, and actuators
Develop beverage dispensing logic, including temperature control, pumps, valves, and safety mechanisms
Implement and maintain secure OTA firmware updates over HTTPS
Develop and optimize embedded graphical user interfaces for LCD touchscreens
Write clean, maintainable, and efficient C/C++ code
Debug firmware and perform root-cause analysis on embedded hardware platforms
Create and maintain technical documentation
Conduct unit and integration testing on real hardware devices
Support QA engineers during validation and troubleshooting
Participate in sprint planning, estimation, and customer communication
Collaborate with architects, security specialists, and compliance engineers
Ensure adherence to engineering best practices and quality standards

Sigma Software

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