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

EngRadar / Scalablegmbh (Senior) Kotlin / Java Software Engineer - Banking Payments (m/f/x) Scalablegmbh Scalablegmbh is the employer — EngRadar is a job radar, not a recruiter. We track this posting from their own careers page and send you straight there; we never handle applications or CVs. Berlin, BE, Germany Full-time Posted today Apply directly → • 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 Posted by Scalablegmbh on their own careers page — you apply directly, no recruiter in between. View original / apply → More at Scalablegmbh S Finance and Regulatory Reporting Intern/Working Student (Italian speaker) (m/f/x) Scalablegmbh München, BY, Germany 2d ago S Werkstudent:in Legal (m/w/d) Scalablegmbh München, BY, Germany 2d ago S Senior IT Support Engineer (m/f/x) Scalablegmbh Singapore, , Singapore 2d ago S Werkstudent:in Legal (m/w/d) Scalablegmbh Berlin, BE, Germany 5d ago Apply directly → Browse Full-Stack Jobs