# Senior Test Automation Engineer IV

**Company:** [OpenX](https://hotfix.jobs/companies/openx)
**Location:** Remote
**Role:** QA Engineering
**Salary:** PLN271k – PLN303k/yr
**Experience:** 5+ years
**Skills:** Java, Python, JavaScript, TypeScript, React, GCP, Kubernetes, Docker, Jenkins, Spinnaker, CI/CD, Test Automation, Selenium
**Posted:** 2026-09-01

> Build and maintain automated testing for large-scale data-processing systems, covering UI/API platforms and QA CI pipelines. The role requires 5+ years of test automation experience, strong Java skills, cloud and container experience, and Polish and English communication.

## Job Description

## Compensation
- Employment contract: **22,595–25,254 PLN gross per month**
- B2B contract: **181–202 PLN net per hour**
- Annual performance bonus and additional paid day off
- Private health care, life and travel insurance, pension scheme, training, holiday allowance, and home-office support

## Responsibilities
- Test large-scale data processing systems.
- Participate in all product development phases, from requirements through validation and deployment.
- Analyze and improve application efficiency, scalability, and stability.
- Create, maintain, and improve automated test suites and frameworks.
- Monitor and maintain QA CI pipelines and collaborate on continuous-delivery enablement.
- Conduct root-cause analysis and improve test coverage and maintainability.
- Own components, processes, and workflows, with strong documentation and communication.
- Collaborate with project teams, SDETs, and the QA organization in an agile environment.

## Requirements
- 5+ years of test automation experience.
- Proficiency in Java, including debugging, modifying, improving, and maintaining automation framework codebases.
- Openness to working with Python and JavaScript.
- Experience with test-design techniques.
- Experience with CI/CD tools such as Jenkins or Spinnaker.
- Experience with Google Cloud Platform, Kubernetes, and Docker.
- Excellent troubleshooting and complex-issue triage skills.
- Experience working in an agile environment.
- Communicative Polish and English.
- Bachelor's degree in Computer Science or an equivalent qualification.

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