Back to all jobs

Payment Application Engineer, Hardware

Berlin, Germany · Engineering

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!

Curious to know how it feels working in the Hardware team? Check this out!

About the role

As a Payment Engineer you will support the team with delivering payment features for our card readers and you will also help pass and maintain the payment certifications for our readers.

You will be expected to act as a payment Subject Matter Expert by providing expertise within the Hardware team, and other teams within the company.

As a Payment Engineer, you will be part of one of our small and highly skilled cross-functional teams and work together with Product Manager, Embedded Engineers, Backend Engineers, Certification Manager and UX/UI Engineer.

To be successful in this role you should be open to constantly learning about payments systems, be proactive when it comes to solving issues, and enjoy working autonomously.

What you’ll do:

  • 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. You’ll bring your experience to develop payment and security software

  • Perform acceptance, functional, regression and exploratory testing on the SumUp platform

  • Drive payment terminals certifications

You’ll be great for this role, if:

  • You have a good knowledge of C or C like programming language

  • You are proficient using Linux and Git

  • You have experience with embedded systems

  • You have a strong motivation to learn everything about payment systems

Nice to have:

  • You have experience in payments systems and EMV

  • You have experience in smart card technologies ( e.g. NFC, ISO7816 )

  • You have experience in cryptography and security

  • You have experience in regulated industries

Why you should join SumUp 

  • Opportunity to work with a truly global, multicultural team (we are 3200+ people from 80+ countries, spread across 4 continents).

  • 28 days’ paid leave + 1 additional day off on your Birthday

  • Competitive salary package and virtual stock option programme

  • Flexible working hours

  • Learning & development budget for attending conferences and external training

  • SumUp Corporate Pension Scheme

  • Wellness benefits: in-house fitness classes with Fitness Matters, in-house Yoga teacher, gym in the office, football & running teams, subsidized Urban Sports Club

  • A lot of other cool benefits such as Bike leasing, Subsidized Public Transport Card, Language Learning platform/courses, Kita placement assistance, relocation assistance, 2x per week subsidized office lunches, and a brand new beautiful place to work in the heart of Berlin!

Job Application Tip

We recognise 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 ok too because it means you have room to learn and develop your career at SumUp.