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Senior Software Engineer (Java, Kotlin, Golang) - Merchant Growth

Berlin · Platform

The Merchant Growth Tribe’s mission is to build an ecosystem of simple yet powerful products for our 1.5m+ merchants around the world which will help them grow their business. In addition to our core product, the Point-of-Sale (POS) application, the teams within the Tribe also provide merchants with invoicing and eCommerce solutions.

Beyond this, we aim to expand SumUp’s ecosystem with additional products and services such as accounting, marketing, loyalty and business analytics, all available in one place. The products we develop strengthen SumUp’s value proposition and ability to serve small merchants around the world.

What you’ll do

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

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

  • Collaborate with other engineers 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’ll use these tools

  • Spring Boot

  • AWS/Kubernetes

  • Jenkins

  • RabbitMQ/Kafka

  • OpenAPI

Your profile

  • You have 8+ years of programming in one of JVM languages, preferably Java or Kotlin.

  • You have 4+ years of DDD and API design.

  • You have designed and evolved service-oriented systems. 

  • You have a solid CS background, with or without a degree, preferably with a strong theoretical understanding.

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

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!

About SumUp

We believe in the everyday hero. Those who have the courage to follow their passion and who have the strength and determination to realise their dreams.

Small business owners are at the heart of all we do, so we're creating 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 small business owners 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.