Java Backend Engineer

Korte omschrijving

Functie omschrijving

ING Retail Banking is on the lookout for a talented mid-senior/senior Backend Engineer to join one of its dynamic, multidisciplinary teams. You'll be instrumental in crafting complex customer propositions, focusing on developing top-notch web and mobile back-end features for an exceptional digital experience.

Within the Omnichannel Team WAHA, we're all about creating a seamless customer product overview and managing product preferences. We build our components using Java and Spring. As a Lead Backend Engineer, you'll play a key role in shaping the platform's technical vision alongside the domain architect and Chapter Lead, empowering your team to embrace and implement this vision.

We thrive in an Agile Scrum environment and are big believers in the DevOps approach to delivering IT solutions. Our commitment is to high-quality software, delivered continuously through iterative development. We aim to release working software to production every two weeks, maximizing customer satisfaction and ensuring a robust feedback loop.

Our purpose is clear:

• To create and maintain a frictionless API layer for ING's Mobile and Web Frontends.
• To seamlessly integrate our platform with core ING financial services.
• To provide APIs that are both secure and high-performing.

What we do is exciting:

• We're keenly focused on the market and constantly exploring new technological opportunities.
• We've adopted the Agile Squad and Chapter model, inspired by Spotify Engineering Culture.
• We foster a culture that prioritizes quality and continuous improvement.

Our challenges keep us sharp:

• Implementing new technologies while ensuring zero negative impact on our customers.

Job Details:

• Duration: May 18, 2026 - December 31, 2026 (with potential for extension)
• Location: Amsterdam
• Employment Type: This assignment is offered on a secondment (detachment) basis only. Freelancers (ZZP) are not permitted. If you are self-employed, you can work on this assignment through secondment via us. Please reach out to discuss options!
• Application Deadline: May 6, 2026, 09:00

Functie Eisen

You'd be a fantastic addition to our team, bringing a wealth of experience and a collaborative spirit! Here's why:

• You've got over 8 years of professional Java experience, focusing on designing, developing, and maintaining highly available and resilient applications. That's a huge asset!
• Your skills with Java 8+, Git, and Maven are exactly what we need.
• We're excited about your experience with Spring Boot, Spring MVC, and Spring Data JPA/JDBC – core technologies for us.
• Your knowledge of Azure and its CI/CD pipeline is super valuable, especially as we're moving towards a cloud-based solution.
• You have solid experience with Unit and Integration testing, which is key to ensuring our code quality.
• Understanding messaging platforms like Kafka, EMS, ActiveMQ, or IBM MQ will help us build robust communication systems.
• Experience with monitoring and alerting tools (Prometheus/Grafana) and Elasticsearch means you can help keep our systems running smoothly.
• Your experience with containers (Docker, K8S, or OpenShift) is perfect for modern deployment strategies.
• Basic Linux commands and bash scripting are always handy for everyday tasks.
• You have good knowledge of relational databases, specifically Oracle.

On top of your technical skills, your behaviors really align with our Orange Code:

• You thrive in a high-performing team and know how to make everyone feel welcome and valued.
• Fluent English speaking and writing will ensure seamless communication within our international team during scrum rituals and daily work.
• Code quality is clearly important to you, and you're excited about writing clean, secure code.
• You enjoy sharing your Java knowledge and mentoring colleagues on architecture and best practices – we love a good code discussion!
• You have working knowledge of designing and building Rest-JSON APIs, SOA, and Event-Driven Designs, which are essential for our architecture.

And hey, the occasional travel to other ING locations in Europe is something you're open to, which is great!

Specifically, the technology expertise we're looking for includes:

• Java 11+
• Spring
• Cassandra
• Oracle
• Kafka
• Linux
• Test Driven Development
• Design Patterns
• Object-Oriented and Functional Programming

We're confident your skills and enthusiasm would make a significant impact on our team!

Arbeidsvoorwaarden

Working conditions: This job role offers a balanced split between operational (run) and project (build) work, with a distribution of 75% operational and 25% project-related tasks. To minimize the impact on business operations, some changes may be scheduled outside of regular business hours. 

Do you want this too? Do you aspire to be the best version of yourself? We are delighted to support your development and invest in an environment where continuous learning is encouraged. We provide you with the freedom to innovate and take initiative. By offering numerous growth opportunities, we help you exceed your own expectations and excel in your work, enabling you to grow both personally and professionally.

Moreover, you can expect the following benefits based on a 36 or 40-hour working week:

• An Employee Benefit Budget equivalent to 10% of your monthly income, which you can use according to your preferences. This budget allows you to purchase additional holiday days or make additional contributions to your pension.
• Flexible working hours and the possibility of location-independent work, depending on the team's planning.
• 100% reimbursement of commuting costs if you travel using public transportation. If you commute by car or motorcycle, you can opt for a commuting allowance.
• A pension scheme with a contribution rate of only 5% from your side.

Let's get to know each other.

Are you the person we are looking for? The new colleague who wants to strengthen our client's team and make a difference for yourself, our customers, and society? We would love to receive your application for this vacancy.

Please note: Even if you don't meet all the criteria mentioned in the profile, but you believe you can fulfill the role effectively, we encourage you to apply. We invest in your growth and development.

Responses to applications are handled in accordance with our vacancy management process.

If you have any questions about the application process, ww will be happy to assist you via email (info@if-solutions.nl) office +31 10 210 87 90 or through the provided application link.

Screening is a standard part of the application process. We assess candidates based on the screening procedures followed by our client to ensure that new employees are reliable and suitable for their roles.

For this vacancy, an individual assessment and skills testing may be included as part of the application process.

We believe that everyone is unique, and it is precisely these differences that help us become an even better bank. That's why we are curious to know more about you.