Senior Java Developer Retail Media

Work with and for a smile

At Jumbo our ambition is to become the most customer-oriented company. We aim to surprise our customers and exceed their expectations so that they enjoy shopping with us. With over 700 stores in the Netherlands and Belgium home delivery via our own distribution centers and dedicated office teams we all work together every day to achieve this ambition. Entrepreneurship to win the customer thats what Jumbo is all about.

As a Senior Java Developer youll play a key role in supporting Jumbos Retail Media ambitions. Retail Media is a rapidly growing segment within our company and our challenge lies in meeting the increasing demand for advertising campaigns with efficient technical solutions. These solutions enable us to operate campaigns smoothly and share campaign data in a clear accurate and timely manner with our advertisers. Thats why were looking for top-notch developers.

Lets get started What youll be doing

Were currently forming a new team focused on delivering campaign results quickly and accurately to our advertisers. This team is being built based on a strong business case to realize our data ambitions for Retail Media.

As Senior Java Developer youll help build a web interface for advertisers to easily view their campaign results. You will take ownership of the backend solutions (including the IAM component) act as the teams technical lead and shape the direction through pragmatic and solid solution designs.

Youll work closely with Data Engineers to design build and maintain data pipelines and infrastructure all contributing to data-driven Retail Media solutions at Jumbo. Collaboration with other teams is essential and youre not afraid to challenge your colleagues to think differently.

Well start development this year aiming to go live in summer 2026. After the initial launch this team will continue to build on our Retail Media ambitions.

Together we are Jumbo Your work environment

At Jumbo things move fast no two days are the same. We adapt quickly and constantly look for ways to improve for both customers and colleagues. We encourage you to take initiative and seize opportunities that support our goals. With an informal atmosphere plenty of room for initiative and a culture of humor and enjoyment working at Jumbo means working with a smile.

The Agile team will include a Product Owner two Data Engineers a Backend Developer a Frontend Developer and a QA Engineer. As a Senior Java Developer youll be part of the broader Customer & Assortment department.

Typically you

At Jumbo we look for go-getterspeople with great ideas and the courage to act on them. We care for each other: our customers our colleagues and the world around us and we aim to do a little better every day. All of our (future) colleagues bring a healthy dose of Jumbo DNAand so do you!

You also bring:

• At least 8 years of experience as a Java Developer
• In-depth knowledge of authentication & authorization (IAM)
• Familiarity with data engineering challenges and an understanding of data pipelines
• Experience with Java 21 Spring Framework JUnit and Tomcat
• Proficiency with tools like Terraform Git GitHub Actions Maven and
• Continuous Delivery
• Extensive experience with AWS and/or Azure and familiarity or interest in working with Datadog
• A passion for mentorshipconducting code reviews sharing knowledge and supporting junior team members
• A strong commitment to clean code and promoting best practices; TDD is encouraged but not required
• Excellent communication skills a design-oriented mindset and strong business acumen