Senior Java Developer - 2026-35453

Internal job title: Solutions Engineer, niveau 3

Department Head quarters: Tech & Data

Education level: Higher professional education

Contract hours: 32-40

Job description

As a Senior Java Developer, you make an important contribution to Jumbo by improving our backend e-commerce platform. Our platform has to keep up with our everyday growing customer base, and that's why we are looking for the best developers. Are you a software craftsman who can write maintainable, clean, and testable code, but can also contribute to the development of a team? Then this is your chance to join our Jumbo development family!

Working at Jumbo means working in an international agile-minded working environment with many technical challenges. You will work on innovative products and services which we release more and more by continuous delivery. You identify complexity in our landscape and are someone who drives improvement and innovation as a servant leader.

As a Senior Java Developer, you will be part of one of our scrum teams. Each team has all the skills to implement a user story from A to Z. Your agile team consists of developers, a business analyst, scrum master, product owner, and UX designer. Together you will work in sprints of two weeks.

A lot happens at Jumbo: no day is the same, we switch quickly and look at how we can do better every day for our customers and colleagues. We encourage you to see opportunities and take initiative on matters that contribute to our objectives. With an informal working atmosphere, room for initiative, humor, and fun, you work at Jumbo every day with a smile.

Jumbo is the second-largest supermarket chain in the Netherlands and has a great ambition for its online presence. We are transforming into a more technology-focused company. At our Jumbo Tech Campus, all technical professionals are brought together. We are organized based on agile principles and our 400 IT professionals work in multi-disciplinary scrum teams. So, you will be working today on the newest food experience that our customers will be able to use tomorrow!

• At least 8 years of experience as a Java developer, preferably in an e-commerce environment;
• You are a software craftsman. You care about clean code and you promote software development best practices and principles within the team and the department. The code you write is shipped with tests. TDD is not a must, but encouraged;
• You have experience with Java 21, Spring Framework, JUnit, and Tomcat as well as with development tools like Terraform, Git, Github actions, and Maven. Continuous delivery is not a mystery to you;
• Take an active role in architectural discussions, leading and contributing to RFCs and ADRs to ensure scalable and maintainable solutions. Collaborate closely with stakeholders across teams, ensuring alignment between technical and business
• You get a smile from being a mentor to your team members: review each other’s code, learn from each other and support less experienced team members in growing their skills.

• You develop and maintain Java applications, write clean code, perform tests, participate in architecture discussions, and help design scalable solutions within an agile environment.
• You build reliable software that supports Jumbo’s digital platforms, enabling customers to shop easily online and in-store while enjoying an optimal user experience.
• You work in a multidisciplinary scrum team with developers, a Business Analyst, Scrum Master, Product Owner, and UX Designer. Together, you deliver user stories from start to finish in short sprints.
• You coordinate with other IT teams, stakeholders, and external partners to create technical solutions that align with business goals and support Jumbo’s digital growth.

Extra information

Salarisschaal: Schaal 10 (HK)

Contactperson: Michael von Harras 

Hiring Manager: Kristel Bijlsma - Beekmans