Senior Backend Test Automation Engineer with Scala and Java

We are looking for the Senior Backend Test Automation Engineer with strong data platform experience :)

Industry: Technology solutions - consumer electronics, software, streaming

• Client: global enterprise, Swedish entityWork model: full time, hybrid 3 days/week on-site from Krakow (Equal Business Park) office
• Project language: English
• Onboarding: 3 days in Malmo, Sweden
• Start: ASAP or 1 week notice ideally / at latest start 27th July 2026Assignment type: B2BRemuneration: up to 200 PLN/h net + VATFTE: full-time
• Strong experience testing backend microservices rather than web UIs.

Hands-on experience with integration testing across distributed systems.

Experience with Play Framework (or at least JVM-based backend services in Java/Scala).

Good understanding of Apache Spark and testing data pipelines.

Experience validating ETL/data processing workflows.

Comfortable managing test data, data dependencies, and deterministic test environments.

Experience with CI/CD and automated test execution.

Ability to debug failures across multiple services, databases, queues, and pipelines.

Likely technical stack includes:

Java and/or Scala

• Play Framework
• Apache Spark
• SQL
• Integration test frameworks (Scala
• Test, JUnit, Testcontainers, etc.)

Docker/Kubernetes

GitHub Actions, Jenkins, Azure DevOps, or similar