Software Development Engineer in Test (SDET)

In the Global Bank Team at SumUp we are building the infrastructure and core services needed to provide our merchants with a digital bank account that allows them to be successful at doing what they love. Our goal is to become the most popular banking partner for small merchants globally by offering a high-quality banking experience tailored to small business needs - effortless, simple and affordable. 

As our global banking platform continues to grow, so does the feature-set we support and the technology estate upon which it’s built.

Therefore we are seeking Software Development Engineers in Test (SDET) to join our team. You'll collaborate across the Global Bank team to improve software quality through automated testing practices. Shape our test strategy, build test packs, identify quality gaps, and integrate automated tests from mobile UI to data tier. Help us to accelerate delivery while maintaining a high quality bar.

What You'll Do

• Define and implement robust testing strategies for stream-aligned squads, ensuring software reliability.
• Periodically audit squads’ testing strategies and implementation - from the quality of the scenarios to the reliability of the test reports.
• Support engineers in designing, testing, and iteratively improving software products for high availability.
• Integrate testing methodologies and practices within teams, fostering a culture of quality assurance.
• Write unit, automated component, contract, integration, and end-to-end tests.
• Provide end-to-end support for performance and load testing, including workload modeling, test execution and results analysis.
• Collaborate closely with software and DevOps engineers for seamless deployment and continuous integration.
• Utilize metrics to identify areas for improvement and guide engineers with actionable steps.
• Assist in maintaining test suites, build pipelines, and test data.

You'll Be Great for This Role If:

• You have programming experience in any language (e.g., Kotlin, Python, JS, Go, Elixir, Java).
• You have mobile automation experience with coding.
• You have experience managing build pipelines, integrating tests, and working with Continuous Deployment.
• You have experience developing on a microservice architecture with good test architecture design skills.
• You are proficient with Git, design patterns, Docker containers, Kubernetes, and the AWS ecosystem. Familiarity with Grafana and Honeycomb is a plus.
• You have solid knowledge of relational databases.
• You take ownership of everything you ship and believe in the power of teamwork and collaboration.

Nice to Have:

• Experience in the fintech industry.
• Knowledge of Kafka.
• Knowledge of PostgreSQL.
• GitHub Actions experience.
• Experience with mobile test automation.

Why you should join SumUp

• We’re a truly global team of 3200+ people from 80+ countries, spread across 4 continents
• The opportunity to work on large scale fintech products used by millions of businesses around the world
• You’ll receive 25 days’ paid leave, plus 1 additional day for each year of employment.
• You can take up to 10 days’ educational leave to expand your skill set.
• A dedicated annual Learning & Development budget (2000Euro / year) for attending conferences and/or advancing your career through further education
• Enrollment onto our virtual stock ownership program - you will own a stake in SumUp’s future success
• Access to the SumUp Sabbatical, our Employee assistance program for mental health
• We offer additional health insurance, a subsidized Multisport card, free shuttle buses from Joliot-Curie metro station and other great benefits.
• You’ll attend global offsites and/or hackathons

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.