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Embedded Software Engineer

Berlin, Germany · Embedded

About the role

As an Embedded Engineer you will be part of the Hardware team and you’ll be working on one of our payment devices which we build in-house. You will be part of one of our small and highly skilled cross-functional teams and work together with Product Managers, Embedded Test Engineers, Backend Engineers, Application and GUI Engineers, and more.

As an Embedded Engineer at SumUp you will design specification and implementation of embedded software for our payment devices. You will deal with a variety of topics in the areas of bluetooth connectivity, payments, security, etc.

To be successful in this role you should be able to follow good software engineering principles, write clean code and tests, and be open to constantly learning and improving your craft. It will be expected from you to not only ship features, but also to contribute to the decision making process.You should be a software engineer with a product mindset who can fully own the features you are working on.

The role is based onsite in our Berlin office.

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!

What you’ll do:

  • Design specification and implementation of embedded software in the field of payment processing terminals

  • Technical analysis, verification and validation of the software and hardware components

  • Execution of code and architecture reviews to ensure the quality of implemented solutions. You bring your experience to develop software on embedded operating systems and bare-metal systems

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

  • Read remote system logs

You’ll be great for this role if:

  • You have a good understanding of embedded systems

  • You have experience with Embedded Linux OS & firmware

  • You have a solid knowledge of the C programming language

  • You have knowledge of peripherals and communication buses like SPI, I2C, USB, SDIO, etc. 

  • You have knowledge in wireless technologies, e.g. NFC, Bluetooth, WiFi, 3G/4G

  • You have a solid understanding of Git cvs

  • You have shipped hardware products that are actively used across the globe

  • You have experience in building quick prototypes & proof-of-concepts first and continuously improving them through multiple iterations

  • You are no stranger to understanding complex user problems and solving them with a beautifully crafted software

Nice to have:

  •  You have knowledge in SecureBoot, Crypto and Security is a big plus.

  • You have experience with Zephyr

Why you should join SumUp

  • Opportunity to work with a truly global, multicultural team (we are 3000+ people from 60+ countries, spread across 3 continents).

  • 28 days’ paid leave

  • 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, subsidised Urban Sports Club

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

About SumUp

We believe in the everyday hero.

Small business owners are at the heart of all we do, so we create powerful, easy-to-use financial solutions to help them run their businesses. With a founder’s mentality and a ‘team-first’ attitude, our diverse teams across Europe, South America, and the United States work together to ensure that the small business owners we partner with can be successful doing what they love. 

SumUp is an Equal Employment Opportunity employer that proudly pursues and hires a diverse workforce. SumUp does not make hiring or employment decisions on the basis of race, color, religion or religious belief, ethnic or national origin, nationality, sex, gender, gender identity, sexual orientation, disability, age, or any other basis protected by applicable laws or prohibited by company policy. SumUp also strives for a healthy and safe workplace and strictly prohibits harassment of any kind.

SumUp will not accept unsolicited resumes from any source other than directly from a candidate.

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.