Senior Hardware Engineer

Team description You've probably paid for a coffee or tapped your card at a hairdresser using one of our card readers already. Our Hardware team designs and builds the beautifully engineered payment devices and accessories that let millions of small merchants start, run and grow their businesses, spanning industrial design, electronics, embedded systems, mobile apps and backend services. As Senior Hardware Engineer, you'll shape the electrical architecture behind our next generation of products, including new designs built on modern Android platforms, giving you real influence over how SumUp's hardware portfolio takes shape from the very first schematic. What you'll do • Design and review electrical schematics, defining hardware architectures for new products • Partner with Mechanical Engineering, Android and embedded software, Product and Supply Chain teams to align platform choices, interfaces and product integration • Own hardware delivery from prototyping and bring up through validation and mass production readiness, debugging designs and reducing technical risk along the way • Explore new design approaches and prototype untested concepts to work through tough technical challenges • Lead technical workstreams and design reviews, coordinate implementation across cross functional teams, and mentor colleagues to share hardware engineering knowledge You'll be great for this role if… • Significant experience in electrical engineering, gained in consumer electronics or hardware product development. • Strong knowledge across several of the following areas: RF (cellular, NFC, Wi-Fi/BT), power design, digital buses and protocols, battery technology or analogue design. • Track record of bringing multiple hardware products through to mass production. • Proficiency in a mainstream CAD system such as Altium or Cadence/Allegro. • Ability to create hardware architectures for modern Android based products and work closely with Android or embedded software teams on platform integration. Nice to have: • Bachelor's degree in Electrical Engineering, with a Master's a bonus. • Basic coding skills for simple firmware validation, with Android device bring up experience a plus. We know candidates often feel they need to tick every box before applying. That's just a guide. If some of the above sounds like room to grow rather than something you already do, we'd still love to hear from you. Why you should join SumUp 🌎 Opportunity to work with SumUppers globally on large-scale fintech products used by millions of businesses worldwide, from our Berlin office. This involves an office-first setup 🌈 Commitment to Diversity and Inclusion: be part of a workplace that values and promotes diversity, fostering an inclusive environment where everyone's perspectives are respected and embraced 🚀 Enrolment onto our Virtual Stock Option programme: you will own a stake in SumUp's future success 📚 A dedicated annual L&D budget of €2000 for your individual development, which can be used to attend conferences and/or advance your career through further education 💶 A corporate pension scheme where we match up to 20% of your contributions 🏖 Generous time off: enjoy 28 days of paid leave plus public holidays and special leave days 🎁 Numerous other benefits such as Urban Sports Club subsidy, Kita placement assistance, subsidised office lunches 🌴 Break4me: 1-month sabbatical after 3 years of service 🔗 Referral Bonus: earn additional rewards by referring talented individuals to join the SumUp team About SumUp Be empowered to do more that matters. At SumUp, we're on a mission to empower small businesses across the globe by providing simple and affordable tools that allow them to thrive. Today, over 4 million businesses in 39 markets rely on