Senior Backend Engineer (Kotlin/Java) – Payment Systems & Banking Platforms

engradar • Germany

Relocation

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AI Summary

Build and scale critical payment services using Kotlin/Java and Spring Boot, ensuring reliable SEPA transactions and seamless integrations with banking systems. Design event-driven workflows, cloud-native architectures on AWS, and maintain high standards in reliability, security, and developer experience. Collaborate in agile teams to deliver measurable business impact in a fast-growing Fintech environment.

Key Highlights

Lead development of business-critical payment services with Kotlin/Java and Spring Boot

Design distributed, event-driven systems and APIs for SEPA payment lifecycle management

Own end-to-end delivery from idea to production with focus on resilience, observability, and automation

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Key Responsibilities

Develop and evolve payment services for SEPA transactions, covering initiation, validation, execution, status handling, returns, and reconciliation

Design domain models, APIs, and event-driven workflows connecting customer-facing products with internal systems and external banking partners

Write secure, well-tested, and maintainable code with emphasis on correctness, resilience, and traceability in financial workflows

Develop and operate cloud-native applications on AWS, including containerized services on ECS and serverless workloads on Lambda

Implement infrastructure as code, CI/CD pipelines, observability, and monitoring for reliable delivery and operations

Collaborate in autonomous cross-functional teams using agile practices, Domain-Driven Design, and continuous delivery

Technical Skills Required

Kotlin Java Spring Boot

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Benefits & Perks

Attractive compensation package with company pension scheme

International relocation support if required

Free German language classes and education budget for professional development

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Nice to Have

Exposure to SEPA payments or payment processing

Experience with financial workflows or banking systems

University degree in computer science, engineering, or related fields

Job Description

EngRadar / Scalablegmbh(Senior) Kotlin / Java Software Engineer - Banking Payments (m/f/x) 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 todayApply directly →

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