Principal Electronics Design Engineer

Job description

**Our client** is an innovative **health tech company** developing next-generation wearable technologies that enhance human capabilities and improve quality of life. The company building intelligent bionic limbs and sensor systems that redefine human capability. Their flagship products combine advanced sensor systems, embedded software, and machine learning to deliver highly personalized and responsive user experiences. With a strong engineering culture and cross-functional collaboration, the team is focused on solving complex real-world challenges in a meaningful, impact-driven domain. **About the Role** As a Principal Electronics Design Engineer, you will act as the technical owner of the electronics domain for one of our key hardware products. This is not a typical Senior Individual Contributor role — it is a high-ownership engineering position with a strong influence on product architecture, technical decisions, and long-term system evolution. You will work closely with the CPO and CTO, participate in architectural discussions across projects, and help shape the technical direction not only of the current product, but of future hardware initiatives. ## What You Will Do - Own and evolve the electronics architecture from EVT stage through market launch and further product generations - Make key technical trade-off decisions between performance, power consumption, size, cost, reliability, and manufacturability - Lead the full hardware development cycle: from product requirements to validation and mass production readiness - Verify and validate hardware designs, troubleshoot complex issues, and drive them to resolution - Assemble prototypes or manage prototype production via EMS partners - Conduct schematic, PCB, and documentation design reviews - Create and improve manufacturing and test documentation - Design tools and solutions for QA, Test, and Manufacturing teams - Support EMC/ESD testing and certification activities - Identify and manage technical risks in the electronics domain - Work directly with the CPO and CTO on product architecture, roadmap planning, and critical decisions - Participate in cross-project peer reviews, sharing expertise and contributing to a strong engineering culture - Support manufacturing and continuously improve existing products and internal design processes ## Desirable Experience and Skills - Proven experience delivering market-ready electronic products end-to-end - Strong background in schematic and PCB design using Altium Designer - Experience with SPICE simulation - Solid understanding of signal integrity, power integrity, and high-speed signal propagation - Experience with rigid-flex / FPC designs and dense multilayer PCBs (up to 12 layers) - Strong knowledge of analog electronics - Experience with SI/PI simulation and debugging - Scripting skills (Python, Matlab) - Product-oriented mindset and comfort working in environments with technical uncertainty - Proficiency in English (Upper-Intermediate+), Ukrainian (native) ## Preferred Experience - Experience in bioengineering, wearables, BT/BLE, or IoT products - Background in high-growth startups or emerging technology companies - Awareness of CE / FDA certification requirements and IP protection considerations ## Growth Opportunities - Long-term ownership of a product with multiple planned generations - Optional opportunity, after key milestones, to transition into leading electronics development for a new wearable device built from scratch - Close collaboration with executive leadership and influence on future hardware strategy ## What We Offer - Work on products that meaningfully improve people's lives - Well-equipped hardware lab and full engineering support - Fast decision-making and a strong culture of ownership - Competitive compensation - Opportunities for deep technical growth and long-term impact - A mission-driven, passionate team