Senior Java Engineer

For ING, we are looking for a highly skilled Senior Java Engineer to help build the next generation of frontend delivery services.

You will work on a platform that is used globally within ING. We are specifically looking for an engineer with strong, up-to-date hands-on knowledge of Java 21, including the Stream API and functional programming concepts, combined with experience in Spring Boot, microservices and Kafka., You will work within the Retail & Banking Technology domain as part of a multidisciplinary team working on ING’s core platform. The team is developing a platform for building and providing Web Components that are used globally within ING., As a Senior Java Engineer, you will be involved throughout the entire development lifecycle, from refinement and development to deployment, monitoring and production support., * Develop and improve frontend delivery services using Java.

• Contribute to the migration of the Frontend Controller to Java.
• Be involved in the entire development lifecycle, from refinement to monitoring in production.
• Maintain and support existing products.
• Provide support and contribute to incident management.
• Participate in a 24/7 on-call rotation once every 4 to 8 weeks.
• Create and maintain product risk documentation.
• Contribute to a realistic roadmap for the squad.
• Help create a safe and productive working environment.
• Support colleagues and share knowledge within the team.
• Become an ING Security Champion for the team

Tech stack The team works with technologies and frameworks including:

Within Azure DevOps, the team uses Repos, Pipelines, Boards and Artifacts. The applications run on a Container Hosting Platform using OpenShift and Kubernetes, with new features delivered into production every two weeks.

• Strong, up-to-date hands-on knowledge of Java 21 (LTS), including practical experience with the Java Stream API.
• Working knowledge of functional programming concepts.
• Hands-on experience with Kafka and asynchronous communication in distributed IT environments.
• Experience with Spring Boot / recent Spring versions.
• Strong knowledge of microservices.
• Strong experience with Azure and Azure DevOps.
• Experience with NoSQL and SQL databases.
• Knowledge of performance, capacity and availability, including Elasticsearch and Kibana.
• Strong knowledge of networking, including DNS and HTTP.
• Strong knowledge of security, including TLS and PKI.
• Experience working in an Agile/Scrum/DevOps environment.
• Strong analytical skills and conceptual/architectural understanding.
• The ability to quickly understand new technical concepts.
• A passion for automation and continuous improvement.
• Strong technical communication skills and the ability to engage with customers.
• A team-oriented mindset and willingness to share knowledge and learn from different perspectives. A professional, secure and careful way of working. *

Nice to have It is a plus if you have experience with:

• Performance testing using Gatling.
• Test automation, continuous delivery, deployment tools and pipelines.
• Azure Repos, Azure Pipelines, OpenShift, Kubernetes, Checkmarx and Azure Artifacts.
• Working in multidisciplinary and Agile teams.
• Transferring knowledge through presentations, workshops and documentation.
• Helping establish new technical standards and ways of working.
• Application risk controls and proactively preventing security and operational risks.

What do we offer?

• A contract until 31 December 2026, with the possibility of extension.
• 36-hour working week.
• A salary range of €4,596.95 - €5,892.02 gross per month, based on 36 hours per week and depending on experience.
• Additional benefits, including holiday allowance, a 13th-month payment and pension contribution.

Would you like to use your Java 21 expertise to help build and improve technology that is used globally within ING? Apply today!