BigData Test Automation Specialist

We are looking for a BigData Test Automation Specialist to join our team in Zurich. This role focuses on designing and implementing a robust, multi-layered testing strategy for a modern big data platform within the banking sector. You will work with cutting-edge technologies including Trino, Kafka, Iceberg and Dataiku to ensure data quality, platform resilience and overall system integrity.

We offer/Benefits

- 5 weeks of vacation

- EPAM Employee Stock Purchase Plan (ESPP)

- Enhanced parental leave

- Extended pension plan

- Daily sickness allowance insurance

- Employee assistance program

- Global business travel medical and accident insurance

- Learning and development opportunities including in-house training and coaching, professional certifications, and courses

*All benefits and perks are subject to certain eligibility requirements

- Please note that any offers will be subject to appropriate background checks

- We do not accept CVs from recruiting or staffing agencies

- For this position, we are able to consider applications from the following:

- Swiss nationals

- EU/EFTA nationals

- Third-country nationals based in Switzerland with an appropriate work permit

- Displaced people from Ukraine who are currently in Switzerland and hold, or have already applied for, S permits

Requirements

- Strong experience with Python and the Pytest framework for test automation

- Hands-on experience with big data technologies like Trino, Hive, Kafka or S3

- Proficiency with data quality and validation tools

- Experience with containerization and mocking tools like Docker, Testcontainers

- Proven ability to test streaming applications and event-driven architectures

- Knowledge of scripting for cloud object storage interaction

- Experience with MLOps platforms, preferably Dataiku

- Proven experience building and managing CI/CD pipelines (e.g. GitHub Actions, GitLab CI)

- Familiarity with SQL transformation tools like dbt or SQLMesh

- Understanding of data versioning concepts

- Fluent in English

Responsibilities

- Design and implement comprehensive test automation strategies for a big data platform

- Develop and maintain scalable test frameworks

- Implement declarative data quality checks for schemas

- Create and manage automated tests for complex SQL transformations

- Test and validate Hive metastore schemas and data integrity

- Develop tests for streaming data pipelines using Kafka and Testcontainers

- Automate Dataiku DSS scenarios and integrate them into CI/CD pipelines

- Build and optimize CI/CD infrastructure for efficient big data testing

- Perform resilience and chaos testing to ensure platform stability

- Use data versioning patterns like Write-Audit-Publish for isolated and safe testing