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Senior Embedded Developer
  • Gdańsk
Senior Embedded Developer
Gdańsk, Gdańsk, Pomeranian Voivodeship, Polska
Sii Sp. z o.o.
24. 6. 2025
Informacje o stanowisku

technologies-expected :


  • C
  • Embedded
  • firmware
  • STM32
  • RTOS
  • Secure Boot
  • Python
  • Cmake

technologies-optional :


  • Bootloader

about-project :


  • We are seeking a Senior Embedded Developer to join a project focused on software development for IoT product controllers.
  • By joining us, you become a member of the Embedded Competence Center at Sii - an internal organizational unit bringing together more than 500 specialists across Poland! We are currently working on approximately 100 projects for 50 clients across various industries, including automotive, IoT, telecommunications, and medical. We focus on development and knowledge exchange by organizing Embedded Academies, training, technical mentoring or enabling project changes.

responsibilities :


  • Designed and implemented middleware firmware for a comprehensive product platform using C
  • Created bootloaders for a diverse range of hardware products
  • Engineered core audio/video processing algorithms for reference applications
  • Integrated Secure Boot mechanisms utilizing MBEDTLS, RSA, and asymmetric encryption
  • Applied advanced security techniques to mitigate side-channel attacks
  • Built unit tests using C++, Google Test framework
  • Automated testing workflows with Python and Pytest
  • Maintained and enhanced build systems based on Makefile and CMake
  • Authored technical proposals and documentation in Confluence
  • Collaborated with cross-functional product teams to deliver rapid support
  • Operated in a dynamic SCRUM environment with 3-week sprints and regular releases (JIRA)

requirements-expected :


  • Min. 5 years of experience as an Embedded Developer
  • Proficiency in C for embedded systems development
  • Experience in reviewing complex systems design/code for security best practices and compliance with industry standards
  • Fluency in English
  • Excellent written and verbal communication skills with the ability to convey technical information to a wide variety of audiences
  • Strong creative problem-solving abilities and decision-making skills
  • Fluent Polish required
  • Residing in Poland required

offered :


  • 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 60M 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

  • Praca Gdańsk
  • Gdańsk - Oferty pracy w okolicznych lokalizacjach


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