Middle/Senior Embedded Software Developer (IoT)

Sigma Software Group is a global IT consulting company that provides top-quality custom software development, graphic design, testing, and support services to a wide range of industries.

Sigma Software

Employee count: 1001-5000

Poland only

Designing and implementing components and drivers (display, camera, sensors, actuators)
Developing beverage dispensing logic (temperature, pumps, valves, safety)
Integrating UI, camera, and fluidics modules
Coding in C/C++, debugging, documenting
Performing unit and integration testing on real hardware
Supporting QA during validation and troubleshooting
Participating in planning, estimation, and customer meetings
Collaborating with architects, security, and compliance engineers
Ensuring adherence to best engineering practices and quality standards

4–5+ years of embedded software development in C/C++
Strong knowledge of STM32 (H7/MP1) and familiarity with NXP, TI, SiLabs platforms
Proficiency with interfaces/protocols (UART, I2C, SPI, RS-422, CAN)
Experience with RTOS (FreeRTOS or similar) and IPC
Hands-on debugging with J-Link, ST-Link
Experience with file systems (FatFS, LittleFS) and networking stacks (lwIP or similar)
Experience with embedded UI frameworks: Qt/QML, STM TouchGFX, LVGL
Experience with security features (secure boot, checksums, OTA updates)
Understanding of cybersecurity in IoT solutions
Upper-Intermediate level of English

WOULD BE A PLUS: 

Knowledge of camera and display drivers
Experience with face recognition / Embedded Vision SDKs
Background in fluidics control (pumps, flow sensors, pressure sensors)

Sigma Software is looking for an Embedded Software Developer to join our growing Embedded Software Development team and contribute to the creation of innovative smart beverage solutions.

Are you passionate about embedded development? Let's work together!

CUSTOMER
Our Customer is an international company that develops innovative IoT-based smart home and lifestyle solutions, combining user experience, safety, and cutting-edge embedded technologies.

PROJECT
The project includes the development of the Curated House System – an innovative smart beverage solution that integrates a user interface, face recognition, beverage dispensing control, OTA updates, and future cloud integrations. The solution combines embedded systems, IoT, UI frameworks, and computer vision to ensure a seamless and intelligent user experience.

Technology Stack: C, ST, UART, I2C, SPI, J-link, HALs, FatFS, lwIP, ASIC, FPGA, RTOS.

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About the job

Apply before

Nov 25, 2025

Posted on

Sep 26, 2025

Job type

Full Time

Experience level

Mid-level

Senior

Location requirements

Poland

Hiring timezones

Poland +/- 0 hours

Job categories

Information Technology Information Technology And Services Mid Level Embedded Software Developer Senior IoT Engineer IoT Software Engineer Embedded Software Engineer Principal Embedded Software Engineer Embedded Systems Developer Senior Firmware Engineer

Skills

C C++NXP Silabs UART I2C SPI CAN RTOS ST Link FatFS

About Sigma Software

Learn more about Sigma Software and their company culture.

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At the heart of Sigma Software Group lies a culture deeply rooted in Scandinavian values, emphasizing mutual respect, transparency, and a minimal hierarchy. This foundation fosters an environment where every voice is heard and valued, empowering our team of over 2000 IT experts to innovate and excel. Since our inception in 2002, our mission has been to build long-term, synergistic relationships not just with our clients, but with our employees as well. We believe that the key to delivering top-quality, value-adding IT services is a team that feels supported, inspired, and driven by a shared passion for finding better solutions. Our culture is one of perseverance, coupled with exceptional client management and strong engineering principles, which has been the cornerstone of our success and sustained growth on the global stage.

Our commitment extends beyond delivering cutting-edge software solutions. We are dedicated to nurturing the growth of the IT ecosystem through our educational platform, Sigma Software University, and fostering the next generation of tech innovators via our corporate venture fund, Sigma Software Labs. This holistic approach reflects our core belief in the power of collaboration and knowledge sharing. We actively encourage our specialists to pursue professional development, offering a continuous education program and a multitude of knowledge-sharing events. This dedication to growth, combined with a flexible work-life balance and a strong sense of community, defines who we are. We are more than just a technology partner; we are a collective of passionate individuals working together to create a better tomorrow, driven by a constant quest for innovation and a commitment to making a positive impact on the world.

Tech stack

Learn about the tools and technologies that Sigma Software uses to build, market, and sell its products.

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JavaScript

iOS

Protobuf

Blockchain

Google Cloud Platform

Docker

Sigma Software employees can create an account to update this tech stack.

Employee benefits

Learn about the employee benefits and perks provided at Sigma Software.

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Discount program

Access to a discount program.

Flexible schedule

Organize your work schedule in a way that suits you.

Remote or office work

You can choose to work from one of our outstanding offices or remotely.

Legal support

24/7 call center for legal advice and urgent lawyer assistance in case of an incident.

View Sigma Software's employee benefits

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Please let Sigma Software know you found this job on Himalayas. This helps us grow!

Apply now