QA Engineer

New
E
EPC NetworkDigital Marketing
Warszawa, Emilli Plater, Warszawa, Country code: PLFull-TimeMiddle
Salary11,000 - 16,000 PLN per month
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Job Details

Languages
Pl C1, en B2
Experience
3+ years
Required Skills
Node.jsPostgreSQLGitJavascriptTypeScriptAPI testingCI/CDPlaywright

Requirements

  • 3+ years of experience in software testing (automation-focused).
  • Proficiency in JavaScript/TypeScript for designing automation frameworks.
  • Hands-on experience with Playwright for end-to-end and API testing.
  • Experience with QASE or similar test management tools.
  • Solid knowledge of testing strategies for event-driven and distributed architectures.
  • Familiarity with API testing (REST, gRPC, WebSockets).
  • Experience with CI/CD pipelines and test integration.
  • Knowledge of PostgreSQL and working with large datasets for validation.
  • Experience with performance/load testing tools (JMeter, k6, Locust).
  • Fluent in English and Polish (C1/B2 level).

Responsibilities

  • Design, develop, and maintain automated test suites using JavaScript/TypeScript and Playwright (UI, API, and end-to-end).
  • Build and optimize test cases in QASE, ensuring full coverage across complex event-driven systems.
  • Collaborate closely with developers, DevOps, and AI/ML teams to integrate shift-left testing into CI/CD pipelines.
  • Implement contract testing for microservices and integrations with external APIs.
  • Contribute to performance, load, and reliability testing using tools like JMeter or k6.
  • Drive observability in testing by integrating with monitoring tools like Grafana, Prometheus, or Datadog.
  • Participate in chaos and resilience testing to validate distributed systems under stress.
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11,000 - 16,000 PLN per month
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