Senior Firmware Engineer

Country: Poland Location: Gdańsk (Hybrid) Contract Type: Full Time, UoPRole: Senior Firmware EngineerDepartment: R&D / Engineering   Join our team and help build the next generation of security devices used by millions of customers worldwide. In this role, you will be involved end-to-end — from understanding business requirements and technical specifications, through firmware design and implementation, to deploying your solutions into high-volume production. Your work will directly impact the performance, reliability, and security of devices that protect homes and businesses globally.   Responsibilities Develop firmware for wired and wireless security devices with a focus on low-power performance, reliability, and real-time behavior. Implement communication features across RS485, wireless links, and other hardware interfaces. Work with both bare-metal and RTOS (FreeRTOS) environments, optimizing system performance and resource usage. Participate in system architecture discussions and contribute to hardware–software integration decisions. Ensure solution quality through close collaboration with QA, debugging, and bug-fixing activities. Support verification, validation, certification, and production processes with technical expertise. Collaborate with Product Management, Hardware, Compliance, and Cybersecurity teams during development and troubleshooting. Prepare and maintain technical documentation, design specifications, and internal development guidelines. Work with global engineering teams across time zones to ensure consistent implementation and knowledge sharing. Requirements & Technical Skills Master’s degree in Software Engineering, Electronic Engineering, Telecommunications, or a related field. Strong experience developing firmware in C for embedded systems. Practical experience with bare-metal programming and RTOS (FreeRTOS) development. Strong knowledge of ARM Cortex-M microcontrollers (e.g., STM32, TI MSPM0). Proven experience designing and implementing embedded communication protocols for RS485 and wireless interfaces. Experience developing firmware for low-power embedded devices. Experience implementing security mechanisms, including secure bootloaders and secure firmware updates; basic cryptography knowledge (hashing, signing, encryption). Strong debugging skills using SWD/JTAG debuggers, logic analyzers, oscilloscopes, and related tools. Excellent knowledge of Git and modern version-control workflows. Independent, creative, and strong problem-solving abilities. Experience working in Agile / Scrum development environments. Excellent written and verbal English communication skills. Experience collaborating with internationally distributed teams is a plus. We Offer Stable employment in a mature engineering environment Opportunities for career growth and professional development A culture that encourages independence, creativity, and continuous learning Competitive salary and benefits package:  Meal Vouchers LuxMed Medical Insurance MultiSport Card IKE/IKZE Additional Pension Contribution Individuals may also be eligible for an annual performance bonus based on both individual and company’s performance. The final compensation for this position will be set based on the individual’s knowledge, skills, and experience as it relates to the job requirements. Kidde Global Solutions is committed to providing a competitive benefits package to our employees. Your journey with us We always aim to provide a fair and valuable recruitment process for everyone. If selected, you will follow the next stages: Initial call with our recruitment team Up to 2 interviews with the Hiring Manager and key stakeholders Our commitment to you As an employer of choice, our greatest assets are the expertise, creativity, and passion of our employees. We strive to provide a great place to work that attracts, develops, and retains the best talent, promotes employee engagement, fosters teamwork, and drives innovation for the benefit of our customers. We aim to create an environment where you feel that you belong, with diversity and inclusion as the engine to growth and innovation. We develop and deploy best-in-class programs and practices, providing enriching career opportunities, listening to employee feedback, and always challenging ourselves to do better. The values that guide us are respect, integrity, inclusion, innovation, and excellence.