Full Stack QA Engineer

New
Warszawa, Cracow, Bucharest, Sofia, PragaFull-TimeMiddle
Salary1,700 - 3,300 USD per month
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Job Details

Languages
English B2
Experience
3+ years
Required Skills
PythonQAQA AutomationAPI testingPrompt EngineeringUnit Testing

Requirements

  • Experience in QA across UI, API, and integration layers for 3+ years.
  • Understanding of LLM-based systems (prompting, response evaluation).
  • Ability to test and validate agent workflows and AI-driven features.
  • Experience with test automation (Python preferred, but other stacks acceptable).
  • Level of English – from Intermediate+ and above.

Responsibilities

  • Testing AI/agent-based product features, including LLM logic and agent workflows.
  • Evaluating prompt quality, model responses, and overall output reliability.
  • Performing classical QA: UI, API, and integration testing.
  • Designing and maintaining automated tests for both AI-driven and traditional components.
  • Collaborating closely with a small team, contributing beyond strict QA scope when needed.
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1,700 - 3,300 USD per month
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