QA Engineer

November 4, 2026

Remote

Senior

Warsaw, Poland

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English is required

Description

QA Engineer role for a global enterprise-level advertising technology platform that reaches hundreds of millions of daily active users worldwide. The position owns feature quality across web, Android, and integrations, combining manual and exploratory testing with daily use of AI tools. Responsibilities run from requirements and design review through production, including issue investigation with logs, APIs, and DevTools, plus validation of E2E test coverage and CI results. The role supports remote work with equipment provided and an international team.

Responsibilities

Own feature quality from requirements and design review through production, identifying risks early and making evidence-based release decisions
Use AI tools daily for test design, edge cases, investigation, log analysis, and automation
Perform exploratory, functional, integration, and regression testing across Android, web, and integrations
Investigate issues using logs, network traffic, APIs, DevTools, and code diffs
Validate E2E test coverage against TestRail scenarios, monitor CI results, investigate failures, and improve automated tests
Follow bugs through investigation, resolution, verification, and closure
Share AI-assisted testing practices and drive QA process improvements

Requirements

3+ years of hands-on QA experience, including exploratory, functional, and regression testing
1+ year of test automation experience, with the ability to read, debug, write, and modify automated tests
Experience testing Android applications and web products
Experience with API testing using Postman or similar tools
Familiarity with logs, DevTools, and network inspection
Daily practical use of AI tools such as Claude Code, Cursor, or Gemini in QA workflows
Strong communication skills and good written and spoken English
Experience with Playwright
Experience testing iOS applications
Familiarity with TestRail, Jira, Charles Proxy, Proxyman, and Android Studio device debugging
Experience validating analytics and event-tracking flows
Familiarity with CI/CD pipelines and automated test monitoring