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Mid LevelFull-timeSpringAWSKubernetesCI/CDAIAPI
Salary Range
$71,400 - $96,600 /year
This salary is estimated based on similar roles. The actual salary may vary.
About the Role
We are looking for a Backend Engineer to join our Sales & Order team at SumUp. You'll be responsible for developing and maintaining high-performance Sales APIs and receipt engines that power the SumUp ecosystem. This role involves architecting how different SumUp products communicate with each other and ensuring scalability and resilience of the systems.
Key Responsibilities
- →Develop and evolve high-performance Sales APIs and receipt engines using Kotlin and Spring Boot
- →Design and maintain robust data schemas and database interactions for complex transaction data
- →Build and document clean, public-facing APIs for integration with other engineering squads
- →Connect transaction data with business systems like reporting, accounting, and fiscalization
- →Engage in daily pair programming to solve complex challenges and maintain high code quality
- →Take ownership of the development lifecycle, including testing, CI/CD, and production monitoring
- →Utilize AI coding agents to automate tasks and increase shipping velocity
- →Refactor and migrate mission-critical domain logic to centralize the 'Sales' experience
Requirements
- ✓2+ years of experience in backend engineering with the JVM stack (preferably Kotlin and Spring Boot)
- ✓Solid understanding of software design patterns, principles, and basic concurrency
- ✓Experience working in cloud-based environments (AWS)
- ✓Enjoyment and active participation in daily pair programming
- ✓Openness to using and experimenting with AI tools and agents
- ✓Fast learner who values quality, detail, and effective time management
- ✓Good written and spoken English skills and a collaborative work style
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