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Senior Embedded Software Engineer

Berlin, Germany · Embedded

As a part of our Hardware team, you’ll play a key role in developing our hardware products as well as mobile apps and connected services. In Hardware, our goal is to create beautifully designed products, and to make sure they are prepared for payment and security specifications. We’re passionate about our product and the vision of bringing new payment solutions to small merchants!

What you’ll do

  • Design specification and implementation of embedded software in the field of payment processing terminals and their accessories (printers, etc.)

  • Technical analysis, verification and validation of the software

  • Execute code and architecture reviews to ensure the quality of implemented solutions - Develop software on embedded operating systems and bare-metal systems

  • Perform acceptance, functional, regression and exploratory testing on the SumUp platform. -Take care of manual and automation tests, and investigate production issues

  • Read remote system logs

  • Create test plans, test documentation and manuals

  • Communicate and collaborate with colleagues within and outside of the Software Department to deliver best value 

You'll be a great fit for this position if you have

  • Solid knowledge of the C programming language

  • Experience with Embedded Linux

  • Good understanding of embedded systems

  • Knowledge on peripherals and buses like SPI, I2C etc

  • Solid understanding of Git cvs

  • A collaborative mindset and excellent communication skills 

Any of the following would be considered a plus

  • Knowledge of NFC, BT, WIFI

  • Knowledge of middleware and application interfaces

  • Knowledge of some scripting: Python, Perl, Shell script, etc.

  • Knowledge of TrustZone

  • Knowledge of TI Sitara processors.

  • Prior experience with mainlining patches for Linux/U-Boot

Why you should join SumUp 

  • You’ll be part of a close, welcoming international community of more than 2000 people from over 60 nationalities. We get together regularly for brunches, cocktail nights, sports and office parties

  • We offer visa and relocation support for a smooth transition to living and working in Berlin

  • We have a budget for attending conferences and advancing your career. We encourage you to speak at conferences and give talks!

  • You’ll attend semi-annual offsites with the tech teams from Berlin, Sofia and São Paulo. In the past, we've visited Spain, Bulgaria, Greece and a castle in the German countryside.

  • Benefits include a corporate pension scheme, sports teams, free German and yoga classes, and subsidised Urban Sports Club membership.

Apply now

We're looking forward to meeting our next teammate! You can also choose whether to include a CV, your LinkedIn profile, a link to your github, tech blog, or portfolio – whatever you think will give us the complete picture.

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, colour, 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.