Remote Embedded IoT Software Engineer (C/C++, STM32)

Sigma Software; Województwo mazowieckie; Remote; PLN 180,000 - 280,000; Full time

Job summary

Sigma Software is seeking a Middle Embedded Software Developer for a remote full‑time role focused on IoT-powered beverage solutions. You will work on real‑time firmware, touchscreen interfaces, secure OTA updates, and cloud connectivity, contributing across low‑level and system‑level features.

The project involves embedded hardware, cameras, sensors, and networking, requiring strong debugging skills and collaboration with distributed teams. Fluency in English is expected.

Qualifications

• 4+ years of commercial embedded software development with C/C++.
• Strong experience with STM32 and ARM Cortex‑M architectures.
• Hands‑on with UART, I2C, SPI and Wi‑Fi interfaces; RTOS experience.

Responsibilities

• Design and implement embedded software components and hardware drivers for displays, cameras, sensors and actuators.
• Develop beverage dispensing logic, including temperature control, pumps and valves.
• Implement secure OTA updates over HTTPS and maintain GUIs for LCD touchscreens.
• Write clean, efficient C/C++ code and perform debugging on real hardware.
• Participate in sprint planning and collaborate with architects and security specialists.

Skills

Embedded C/C++

STM32

ARM Cortex-M

English B2+

Tools

UART

I2C

SPI

Wi‑Fi

FreeRTOS

Zephyr RTOS

Job description

Sigma Software is seeking a Middle Embedded Software Developer for a remote full‑time role focused on IoT-powered beverage solutions. You will work on real‑time firmware, touchscreen interfaces, secure OTA updates, and cloud connectivity, contributing across low‑level and system‑level features.

The project involves embedded hardware, cameras, sensors, and networking, requiring strong debugging skills and collaboration with distributed teams. Fluency in English is expected.