Senior Java Developer (Java 21, TDD, BDD, DDD, Kafka) (QR11115)

Opdrachtomschrijving

Functie: Senior Java Developer (Java 21, TDD, BDD, DDD, Kafka) (QR11115) 
Start: 1-7-2026, 36 uur per week 
Periode: 6 mnd+
Omgeving: Amsterdam 

Omschrijving:
For our client, we are looking for a Senior Java Developer (Java 21, TDD, BDD, DDD, Kafka).

About Global Customer Data Management
Within the client s customer-facing architecture, our Global Customer Data Management platform is the solution for storing and accessing customer data. It s the global target system for everything related to customer data. We are developing high-speed, high-volume solutions that must be available 24/7. This is the place where you will make an impact on the organisation s strategy, serving retail, business, and wholesale client segments.

Your role
As a senior Java engineer you will be part of a multidisciplinary and international agile team that is responsible for developing, maintaining, and operating the systems it builds. You will be involved in the whole development lifecycle, from refining user stories to monitoring software in production (DevOps).

Our way of working and stack
We work with a shared codebase and have an inner source model that allows for code contributions from other parts of the organisation. We have Spring Boot APIs, and our data is stored in Cassandra, Elasticsearch, Neo4J and a third-party MDM solution. Our code has a hexagonal architecture, and we follow the best practices of domain driven design. We have a BizDevOps way of working (inspired by Spotify) and organize ourselves for fast flow using Team Topologies.

Our stream-aligned teams
We currently have a vacancy in one of our stream-aligned teams. Our stream-aligned teams are focused on delivery of business value. Here your focus will be on refining user stories together with your business colleagues inside and outside your team, followed by implementing these features in code and making sure they run smoothly in production. To make sure our implementations work as expected we work with BDD.

As a Dev Engineer, we expect you to
Have experience in a (Dutch) corporate and/or financial agile environment (DevOps, Scrum)
Have a learning attitude that allows you to master new technologies and programming languages fast
Be able to challenge the status quo and offer improvements that lead to higher quality/ease of use/maintainability/etc.
Design reusable code components and libraries that can be leveraged by multiple projects
Be able to coach less experienced team members
Be part of our on-call schedule for support outside office hours (one week every 1-2 months)
 

Technical skills
Java (21) and Spring Boot (API)
Software best practices (e.g. TDD, BDD, DDD, clean code)
Running software in production (incident resolution, monitoring, etc.)
Streaming technologies (e.g. Kafka)
(No-SQL) databases (e.g. Neo4J, DB2, Cassandra, Elasticsearch)
Experience with AI tools: working with agents, skills etc. using GitHub Copilot
Must haves
Java (21) and Spring Boot (API),
Software best practices (e.g. TDD, BDD, DDD, clean code),
Running software in production (incident resolution, monitoring, etc),
Streaming technologies (e.g. Kafka),
(No-Sql) databases (e.g. Neo4J, DB2, Cassandra, Elasticsearch) - candidates with Neo4Jexperience are preferred,
Be able to coach less experienced team members,
Take initiatives, be able to take the lead in terms of technical direction.

Nice to have:
Experience with AI Tools: Working with Agents, Skills etc. using Github CoPilot,
Neo4Jexperience,
clients experience.

Korte omschrijving van de organisatie