* Work on next-generation gaming RF products with strong technical ownership. * Learn directly from highly experienced engineers before key retirements. About Our Client Our client is a global leader in high-performance consumer electronics and gaming technologies. They are known for innovation, product quality, and a dynamic engineering culture. Job Description * Develop firmware for RF modules powering keyboards, mice, and receivers. * Contribute to new product development and continuous evolution of existing platforms. * Design, implement, and integrate firmware interfaces in partnership with software experts. * Validate and test production-ready firmware, including automated test creation. * Prototype concepts and showcase technical ideas to stakeholders. * Collaborate with multi-site teams across Switzerland, the US, Taiwan, and India. * Troubleshoot and debug complex embedded and RF issues. * Produce clear, structured, and reliable technical documentation. * Contribute to agile development practices and code reviews. * Support knowledge transfer from senior RF and firmware experts. * Act as a technical leader within the team, guiding architectural decisions. The Successful Applicant * 5 years of experience in firmware engineering within product development. * Strong proficiency in embedded C/C++ with solid debugging and testing skills. * Experience with ARM Cortex-M firmware development. * Knowledge of Zephyr RTOS (ideal) or embedded Linux / Yocto. * Demonstrated interest or aptitude in RF, wireless protocols, or radio firmware. * Experience in Bluetooth or bidirectional RF HID devices is an asset. * Ability to mentor, collaborate, and contribute to technical decision-making. * Familiarity with scripting, unit testing, and agile development practices. * Comfortable working in hybrid mode with 50-60% onsite presence (mandatory Tue-Thu). * Fluent spoken and written English; French is a plus. * Bachelor's or Master's degree in Electrical Engineering, Computer Engineering, or Communication Systems. What's on Offer * 12-month mission with strong potential for extension and product roadmap continuity. * Direct mentorship from senior engineers and involvement in strategic RF projects. Quote job ref JN-042026-6987542 Job Function Information Technology Specialisation IT Development Industry Technology & Telecoms Location Lausanne Contract Type Interim Job Reference JN-042026-6987542