Data Test Engineer Migration Java Kafka Flink London Hybrid

A leading Professional Services company is seeking a Data Test Engineer Java on a contract basis.

You will be needed to work onsite in London twice a week.

The Data Test Engineer is responsible for validating the quality, reliability, and performance of D2C Reporting APIs delivered on the ODS platform. The role focuses on testing Java-based APIs, event-driven streaming pipelines using Kafka, Flink and Kafka Streams, and data persistence in MongoDB. You will design and execute functional, integration, and non-functional tests, validate data accuracy and event flows, and support production-readiness through automated testing and quality controls on OpenShift.

Key Skills:

• Kafka
• Java
• Flink
• Migration testing
• Data