Senior Embedded Developer (f/m/x)

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. Daily tasks: - Worked from the client’s office 2 days per week - Development of middleware firmware for the whole platform of products in the C language - Development of bootloaders for a wide range of products - Implementation of basic audio/video processing algorithms for the reference application - Implementation of Secure Boot (MBEDTLS, RSA, PK, asymmetric encryption) - Implementing security measures (side-channel attacks prevention) - Development of unit tests (C++, Google Test) - Development of automation test (Python, Pytest) - Maintenance and development of build systems (Makefile, CMake) - Writing proposals and documentation (Confluence) - Collaboration with multiple product teams and providing quick support - Working in a fast-paced SCRUM environment with frequent 3-week sprints followed by releases (JIRA) Ability to work from the client's office 2 days a week (hybrid model) 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 Polish and 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 Residency in Poland Must have: Embedded C, Firmware Development, STM32, RTOS, Secure Boot, Python, CMake Nice to have: Bootloader