Test Automation Engineer

For our client from the aviation industry – a global organization building large-scale, safety-critical data platforms – we are looking for a senior Test Automation Engineer to take ownership of quality and automation for a big-data solution (BTE).This role combines strong hands-on automation skills with architectural thinking in the data/lakehouse space.Key responsibilitiesOwn test strategy and release quality for a large-scale data platformDesign and maintain scalable automation frameworks for data pipelines (Databricks/Spark), APIs, and selected UI componentsImplement advanced data validation (schema checks, delta comparisons, anomaly detection)Integrate automated tests into CI/CD (Azure DevOps or GitHub Actions), including quality gates and regression protectionDrive performance and scalability testing for Spark workloadsDefine test data, mocking strategies, and environment-aware test setupsCollaborate closely with data engineers and DevOps; mentor others and promote good testing standardsIdeal candidate profile8+ years of experience in software engineering or test automationStrong background in data platforms (Databricks, Spark, Delta Lake or similar)Hands-on experience building automation frameworks and embedding them into CI/CDStrong coding skills (Python, Java, or Scala)Experience testing data pipelines and distributed systemsComfortable working cross-team and influencing quality practicesNice to have:Experience with streaming/data lake testing patternsPerformance/load testing toolsObservability tooling (e.g., Azure Monitor, Prometheus/Grafana)Experience in regulated or safety-critical environmentsConditionsWork model: hybrid in Gdańsk or 100% remoteSalary: 130-160 PLN/h, depends on your experienceEmployment type: B2BBenefits: medical care, life insurance, trainings, Multisport cardRecruitment stepsPhone call with Recruiter (20 - 30 min.)Technical interview with Client (may required 2 rounds)Feedback and decision