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Senior iOS Engineer - Platform

Cologne, Germany · Mobile

The Platform Tribe’s mission is to enable the delivery of valuable experiences to our merchants by providing tools, systems and APIs that allow SumUppers to innovate, build and run our products & services at velocity and scale.

In order to achieve this, we collaborate with different teams within SumUp and are involved in a variety of projects both in a consulting role and with a more hands-on approach.

We are continuously striving to maintain and improve our mobile apps and tools in order to ensure more stability, quality and flexibility for both our mobile engineers and our merchants.We are looking for strong candidates that have interest in helping us get there and building great products along the way. If you feel like one of these people, our offices in Cologne is hiring for the position of an iOS Engineer.

What you’ll do in this role:

You’ll shape the core experience of merchants who are using the iOS App on a daily basis.

  • Help evolve our mobile Point-of-Sale solution, an integral part of SumUp, used by millions of people.

  • Write high quality, testable code, used by millions of people daily.

  • Collaborate with other engineers, designers and product managers in your team and across other teams to develop simple and delightful solutions for our merchants.

  • Mentor other engineers in engineering principles, design and implementation.

To accomplish this, you will use these tools:

  • Swift

  • Xcode

  • GitHub

  • Jenkins

  • Jira

  • Cocoapods

**You will be great for this position if:**

  • You have solid expertise in Swift and a basic understanding of Objective-C.

  • You have experience in API design and/or Domain Driven Design.

  • You are familiar with developing and integrating libraries into apps.

  • You have good writing skills and you’re able to communicate your ideas and designs effectively. 

  • You know what to test, why to test it, and how to write flexible tests that won't break.

  • You care about user interaction, usability and of course, making the UI beautiful.

**SumUp is the place for you if:**

  • You want to work in an exciting and complex domain, affecting the everyday life of millions of merchants.

  • You want to collaborate with other talented people in designing and implementing solutions that delight and empower our merchant to pursue their passion.

  • You want to be part of an international team, spanning 3 continents and 8 cities.

  • You want to have fun!

Why you should join SumUp:

  • A dedicated annual budget for attending conferences and advancing your career through further education. We encourage you to speak at conferences and give talks

  • Weekly Lunch and Learn session, where the local engineering team exchanges ideas over company-sponsored lunch

  • Dedicated time every other week for side-projects and open source initiatives

  • Annual hackathons, where the engineering teams from Berlin, Cologne, Sofia, and São Paulo gather together

  • We have a close, welcoming and international community. We get together regularly for brunches, cocktail nights, football, office events, AMA sessions, training, German classes, and yoga classes

  • Numerous other benefits such as Urban Sports Club subsidy, Corporate Pension Scheme, Kita placement assistance, relocation assistance, 2x per week subsidized office lunches, and a gorgeous place to work in the heart of Berlin at Alexanderplatz

About SumUp:

We believe in the everyday hero.

Small business owners are at the heart of all we do, so we're creating tools that help them run their business. With a founders 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 in 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.