Build and evolve business-critical payment services using Kotlin, Java and Spring Boot, enabling customers to move money reliably through SEPA while supporting the wider banking platform.
Develop services across the payment lifecycle, including initiation, validation, execution, status handling, returns, exception management and reconciliation.
Design clear domain models, APIs and event-driven workflows connecting customer-facing products with internal systems and external banking partners.
Write clean, secure, well-tested and maintainable code, with particular attention to correctness, resilience and traceability when moving money.
Develop and operate cloud-native applications on AWS, including containerised services on ECS and event-driven workloads on Lambda.
Shape reliable delivery and operations with infrastructure as code, CI/CD pipelines, observability and monitoring.
Work in autonomous, cross-functional teams using agile practices, Domain-Driven Design, code reviews, automated testing and continuous delivery.
Take ownership from idea to production, delivering measurable value while improving quality, automation, reliability and developer experience.

Strong experience building backend services with Kotlin or Java and Spring Boot.
A solid understanding of Domain-Driven Design and the ability to translate complex business processes into clear software models.
Experience designing and operating distributed, event-driven systems and APIs.
Familiarity with cloud-native development on AWS, especially containerised and serverless workloads.
Confidence with automated testing, CI/CD, infrastructure as code and production observability.
A quality and security mindset, with attention to reliability, maintainability and operational ownership.
Clear communication skills and a collaborative, pragmatic approach to solving problems.
An interest in complex financial workflows or the curiosity to learn them quickly. Exposure to SEPA payments or payment processing would be a plus.
A university degree in a relevant field of study (e.g. computer science, engineering, sciences, ...) or a comparable qualification.

Be part of one of the fastest-growing and most visible Fintech startups in Europe, creating innovative services that have a substantial impact on the lives of our customers
Work with an international, diverse, inclusive, and ever-growing team that loves creating the best products for our clients
Be productive with the latest hardware and tools
Learn and grow by joining our in-house knowledge sharing or career development sessions and spending your individual Education Budget
Learn and experience German culture first hand by joining our free German language classes
International relocation support is provided if required
Opportunity to work from abroad
Benefit from an attractive compensation package and from the company pension scheme
Monthly contribution of 50% for the ‘Deutschland Jobticket’
Say goodbye to order commissions and say hello to your complimentary subscription of Scalable Capital's PRIME+ Broker
Enjoy flexible and discounted sports activities with Urban Sports Club

(Senior) Kotlin / Java Software Engineer - Banking Payments (m/f/x)

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