C/C++ Firmware Engineer (f/m/x)
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on enterprise-class data platforms with emphasis on low-level firmware development and system optimization. Key technologies include C/C++, JTAG, and hardware interfaces such as UART, SPI, I2C. Responsibilities encompass firmware development and optimization, SoC and board bring-up, debugging hardware-firmware issues, and implementing firmware security and secure boot. Over 5 years of embedded experience and bootloader knowledge are required.

C/C++ Firmware Engineer (f/m/x)

Company: Sii Sp. z o.o.

from: 3 June 2026
to: 3 July 2026
salary not specifiedB2B contract (full-time)
salary not specifiedcontract of employment
Offer parameters
level:senior
working mode:remote • hybrid • full office
Katowice, Silesian
Katowice, SilesianView on map

Requirements

Expected technologies

Firmware Development
SOC
JTAG (IEEE 1149.x)
C
C++

Optional technologies

Rust
RTOS

Our requirements

  • At least 5 years of embedded development
  • Strong C/C++ skills
  • Experience with JTAG and debugging tools
  • Knowledge of hardware interfaces (UART, SPI, I2C)
  • Understanding of bootloaders and system bring-up
  • A very good command of English is required

Your responsibilities

  • Develop and optimize low-level firmware
  • Perform SoC and board bring-up
  • Debug hardware–firmware issues
  • Work with pre-silicon validation platforms
  • Implement secure boot and firmware security features
Company

About the project

Join Sii and play a key role in delivering enterprise-class data platforms to international clients. As a Firmware Engineer, you will be responsible for low-level firmware development, hardware bring-up, and system optimization. You will collaborate with cross-functional teams and support strategic data and analytics initiatives across the organization.

What we offer

  • Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
  • Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
  • We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
  • Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
  • Comfortable workplace – class A offices or remote work
  • Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
  • PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
  • Investment in your growth – meetups, webinars, training platform and technology blog – you choose
  • Fantastic atmosphere created by all Sii Power People

Recruitment stages

  • 1.
    Send your CV
  • 2.
    Talk to us about your expectations
  • 3.
    Learn more about our projects and choose the best
  • 4.
    Start your adventure with Sii!

Sii Sp. z o.o.

Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment.
Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.

This is how we work

C/C++ Firmware Engineer (f/m/x)
I apply to:
Sii Sp. z o.o.
Katowice, Silesian
Pracodawca zbiera zgłoszenia przez swój system.
Przejdziesz na zewnętrzny formularz.

By clicking "Aplikuj" you confirm that you've read and accepted our Terms and Conditions.


This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Need more information?

  • Make sure the body of the offer doesn’t already include what you’re looking for.
  • Ask a question if you need more information you’re interested in.
  • We’ll forward your question to the employer and aim to provide a response within 3 business days.

Share this offer