About The Team
You have probably used our card readers to buy a cappuccino or pay your hairdresser already. In Hardware, we are passionate about creating these beautifully designed card payment devices and accessories that enable our merchants to start, run, and grow their own businesses. In doing so, we deal with a diverse range of engineering topics - industrial and electronic design, embedded systems, all the way to mobile apps and backend services.
We believe in open communication and constant learning over strict rules. If you're looking for the chance to innovate and help millions of small independent merchants succeed - join us!
About The Role
As a Payment Engineer, you will support the team with delivering payment features for our card readers and help pass and maintain the payment certifications for our readers. You will act as a payment Subject Matter Expert by providing expertise within the Hardware team and other teams within the company.
You will be part of one of our small and highly skilled cross-functional teams and work together with Product Managers, Embedded Engineers, Backend Engineers, Certification Managers, and UX/UI Engineers.
Responsibilities
- Design specification and implementation of embedded software in the field of payment processing terminals.
- Execute code and architecture reviews to ensure the quality of implemented solutions.
- Develop payment and security software.
- Perform acceptance, functional, regression, and exploratory testing on the SumUp platform.
- Drive payment terminals certifications.
Requirements
- Prior experience working on EMV solutions, contact and contactless payments, or smart card technologies (e.g., NFC, ISO7816).
- Knowledge of payment certifications (EMVCo, Schemes, E2E Acquirers).
- Knowledge of payment security certifications (PCI).
- Experience developing in C programming language.
Nice to Have
- Experience with embedded systems, developing low-level applications.
- Experience working with embedded Linux/Unix platforms.
Why You Should Join SumUp
- The opportunity to work on large-scale fintech products used by millions of small businesses around the world.
- A dedicated annual Learning & Development budget for attending conferences and/or advancing your career through further education.
- Enrollment onto our virtual stock ownership program - you will own a stake in SumUp’s future success.
- A corporate pension scheme.
- 28 days’ paid leave.
- You’ll attend global offsites and/or hackathons.
- Enjoy other great benefits such as Urban Sports Club subsidy, Kita placement assistance, subsidized office lunches, and other location-tailored benefits, Babbel language platform subscription, and more!
Job Application Tip
We recognize that candidates feel they need to meet 100% of the job criteria in order to apply for a job. Please note that this is only a guide. If you don’t tick every box, it’s okay too because it means you have room to learn and develop your career at SumUp.
Benefits Extracted with AI
- Dedicated annual Learning & Development budget
- Virtual stock ownership program
- Corporate pension scheme
- 28 days’ paid leave
- Urban Sports Club subsidy
- Kita placement assistance
- Subsidized office lunches
- Babbel language platform subscription
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