Senior Backend Engineer (Java) - Payouts

SumUp enables businesses to get paid easily, process orders quickly, sell online instantly and manage their money more efficiently. We create the tools businesses need to make their business and their customer experience thrive. And we love it!:)

The payout platform is a key part of our proprietary payments processing platform. It is responsible for processing global SumUp payouts for millions of customers. 

We are currently scaling and re-writing it in Java. You would have the opportunity to participate in the design and development of the new platform towards event-driven microservices architecture. 

We strive to base our architecture decisions only on solid team discussions, validated arguments, and proof of concepts if needed. Therefore, we do not adhere to any specific ideology, but instead aim to use the technology that is needed for each specific use case. As such, our tech stack is very diverse, currently including:

• A minimal Java setup with a RestEasy JAX-RS implementation over an embedded HTTP server and JDBC
• Spring Boot
• Kafka Streams
• VueJS
• Ruby

At SumUp our local cross-functional teams are empowered to bring their ideas to life through autonomy and no-blame culture. We believe in building projects around motivated individuals, giving them the environment and support they need, and trusting them to get the job done.

What you’ll do

• Co-design and develop the new payout platform
• Participate in API design and implementation for both internal APIs and those exposed to our third-party integrators
• Help your team to deliver business value by taking decisions related to back-end and actively participating in the product discussions
• Provide comprehensive documentation, good test coverage, and improve code quality
• Optimize application performance and scalability through active monitoring
• Collaborate with other software developers, QA and DevOps engineers to ensure smooth deployment, continuous integration, and support for the software that we deliver
• Actively participate in code reviews with other software engineers

 You’ll be great for this role if

• You have relevant experience with Java, Postgres/RDBMS
• You have experience with distributed and fault-tolerant systems
• You have a passion for clean, maintainable and testable code
• You have a good understanding of software architecture and application design

Any of the following would be considered a plus

• You have experience with Docker and/or Kubernetes, Kafka/other messaging systems
• You feel comfortable with Unix/Linux environments and DevOps practices (CI/CD, etc)

 Why you should join SumUp

• 🌍 You’ll play a key role in a scale-up that in turn is part of a truly global team of 3000+ people from 60+ countries, spread across 4 continents.
• 🚀 You'll have the opportunity to make an impact irrespective of your job description. You'll have the space to drive your career and take ownership of projects.
• 🌴 You’ll receive 25 days’ paid leave, increasing with tenure, and paid vacation for certain occasions. You’d enjoy a paid 1 month Sabbatical vacation. 
• 📚 You’ll receive an individual learning budget and can take 10 days educational leave to expand your skillset.
• 👶 You’ll enjoy a child birth/adoption bonus 
• You'd enjoy other great benefits such as additional health and life insurance, subsidized Multisport card, free shuttle buses from Joliot-Curie metro station, a long list of discounts, monthly budget for food vouchers and a variety of flexible benefits (re:benefit platform) and more.

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.