Senior Software Engineer (Backend-Java) – Business Banking Cards (w/m/d)

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Senior Software Engineer (Backend-Java) – Business Banking Cards (w/m/d)

  • REQ-10114713
  • 11/06/2026
  • IT Engineering
  • Frankfurt am Main, Deutschland
  • ING Bank


Ich möchte mich bewerben Für einen späteren Zeitpunkt speichern

Do you want to design modern IT architectures and build software solutions that create real business impact?
Do you enjoy taking ownership, thinking beyond individual services, and shaping solutions that fit into a wider application landscape?

Join our Business Banking Cards domain and help us build reliable, scalable, and secure card-related applications. In this role, you will work closely with Business Banking stakeholders and collaborate with Retail Banking teams on shared capabilities, processes, and customer journeys.

Your Tasks

  • Design, develop, and maintain scalable backend solutions for the Business Banking Cards domain
  • Build modern applications using Java 21+, Spring, Spring Boot, Kafka, and Oracle Database
  • Take ownership of system design and implementation, considering the overall IT landscape, dependencies, integration points, and long-term maintainability
  • Work with microservice-based and private cloud architectures
  • Take end-to-end responsibility across the software development lifecycle, from analysis and solution design to implementation, testing, documentation, deployment, and production support
  • Collaborate closely with business stakeholders, IT teams, architects, product owners, external service providers, and Retail Banking teams
  • Design and implement synchronous and asynchronous integrations, including REST-based APIs and Kafka-based event communication
  • Apply test-driven development and contribute to automated functional, integration, regression, and performance testing
  • Apply secure software development practices and ensure that solutions meet banking, governance, and security requirements
  • Identify and address security risks during design, implementation, testing, and production support
  • Contribute to CI/CD pipelines, build processes, deployment automation, and continuous improvement of delivery workflows
  • Support software quality through clean code, code reviews, quality assurance measures, and engineering best practices
  • Analyze incidents and problems, identify root causes, and implement sustainable technical solutions
  • Mentor less experienced engineers and actively share knowledge within the team
Your Profile
  • Degree in computer science, engineering, business informatics, economics, or a comparable qualification
  • Several years of professional experience in Java backend development, ideally in enterprise or regulated environments
  • Strong hands-on experience with Java 21 or newer
  • Strong knowledge of Spring and Spring Boot
  • Experience with Kafka and event-driven or asynchronous communication patterns
  • Experience with Oracle Database, including data modeling, SQL, and performance-aware development
  • Good understanding of microservices, distributed systems, and cloud-ready application design
  • Ability to take ownership of technical solutions from design to production
  • Strong awareness of the broader application landscape, including upstream and downstream systems, dependencies, interfaces, and operational impact
  • Good understanding of secure software development practices, including authentication, authorization, data protection, dependency management, and secure coding principles
  • Awareness of cybersecurity risks in software development, especially in banking or other regulated environments
  • Confident with build tools, version control, CI/CD processes, and automated deployment pipelines, ideally in an Azure or private cloud environment
  • Hands-on experience with test automation and quality engineering practices
  • Experience working in agile teams, for example using Scrum or Kanban
  • Structured, solution-oriented, and quality-focused working style
  • Strong communication skills and a collaborative mindset
  • Willingness to challenge existing solutions constructively and continuously improve the technical landscape
  • Good written and spoken English skills

We offer many benefits

  • Company pension plan, capital-building offers, free Deutschlandticket, 13 bank holidays & 30 days of vacation per year
  • Remote working in line with the company, regulatory and legal requirements; individualized work schedule models, sabbatical, subsidization of nursing & childcare costs
  • Personal budget for continuing education and development as well as health; plus, a personal budget to set up your home office

Ready for a new job?

At ING we are colorful and diverse: different personalities with different perspectives - an international culture where we value and appreciate each other. We believe in substance over style, people instead of labels.

This describes you to a T?

Simply apply online - your resume is all we need to get to know you, a cover letter is optional!

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Bei der ING möchten wir, dass jeder sein volles Potenzial entfalten kann. Wir schaffen eine Kultur, in der jeder wachsen und einen Unterschied machen kann – für unsere Kundinnen und Kunden und die Gesellschaft. Diversität, Gleichberechtigung und Inklusion sind für uns selbstverständlich. Wir tolerieren keine Form der Diskriminierung, sei es aufgrund von Alter, Geschlecht, Geschlechtsidentität, kulturellem Hintergrund, Erfahrung, Religion, Herkunft, Behinderung, familiären Verpflichtungen, sexueller Orientierung oder anderen Gründen. Wenn Ihr während des Bewerbungsprozesses oder der Vorstellungsgespräche Unterstützung benötigt, kontaktiert uns bitte über die E-Mail-Adresse in der Stellenanzeige. Wir helfen gerne, um einen fairen und einfachen Ablauf sicherzustellen. Hier erfahrt Ihr mehr über unser Engagement für Diversity, Inclusion & Belonging.

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