Senior Java Developer (Java 21, TDD, BDD, DDD, Kafka) (QR11203)
Amsterdam, Noord-Holland, Nederland
| Type: | Detachering |
| Starten op: | 1-10-2026 |
| Duur: | 12 maanden / kans op verlenging |
| Geplaatst op: | 24 augustus 2026 om 12:56 uur |
| Specialisme: | Software ontwikkeling |
| Tariefindicatie: | In overleg / n.t.b. |
Opdrachtomschrijving
Functie: Senior Java Developer (Java 21, TDD, BDD, DDD, Kafka) (QR11203)Start: 1-10-2026, 36 uur per week
Periode: 12 mnd+
Omgeving: Amsterdam
Omschrijving:
For our client in Amsterdam, we are looking for a Senior Java Developer (Java 21, TDD, BDD, DDD, Kafka).
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 until 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 API’s, and our data is stored in Cassandra, Elastic Search, Neo4J and MDM (third party application from IBM). 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 in 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
Senior backend engineer hire for OnePAM/GCDM department.
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.
Years of experience: Min 6-8 years in development of Java & Spring technologies.
Nice to have:
Experience with AI Tools: Working with Agents, Skills etc. using Github CoPilot,
Neo4J experience, former ING experience.
Fluent Dutch is not required.
Organisatie
Korte omschrijving van de organisatie
