QA Engineer

Quick Facts

• Role: QA Engineer

Description

You will design, create, and maintain test processes for real business-impact systems, spanning API test automation, manual testing, mobile testing, and performance testing. You will automate and expand API coverage, execute manual API and mobile tests on devices/emulators, run performance tests, and analyze network request/response traffic. You will analyze failures, report defects in detail, and collaborate with product and development teams to define acceptance criteria and improve testability.

Responsibilities

• Build and maintain automated tests using the team’s stack
• Automate API tests and improve automated test coverage
• Run manual API tests using Postman and mobile tests using Android Studio
• Design and execute performance tests using JMeter and/or k6 (including dependent services)
• Analyze network traffic and request/response communication using Charles Proxy
• Analyze errors, prepare detailed test reports, and identify flaky/unstable tests
• Maintain a stable, reliable test suite
• Work with product and development teams on acceptance criteria and testability
• Use AI tools (e.g., Claude Code) to improve QA work while keeping high quality and safety standards
• Share QA best practices with QA Engineers and Developers

Requirements

• 5+ years of QA Engineering experience, including automation
• Practical Java knowledge and RestAssured experience for API testing (Spring is a plus)
• Python programming/scripting experience
• Postman experience for API testing
• Mobile testing experience on physical devices and emulators with Android Studio
• Performance testing experience with JMeter and/or k6
• Network communication analysis skills with Charles Proxy or similar tools
• Version control experience (Git/GitHub) and familiarity with JIRA and Confluence
• Strong Agile/Scrum knowledge
• Very good English and effective communication in an international environment
• Openness to using AI tools in daily QA work

Benefits

• Employment model aligned with your preferred collaboration type (UoP/B2B)
• Hybrid work model (Rybnik) with flexible remote/on-site choice
• Modern equipment and support from an experienced team
• Training and language courses to develop skills
• MultiSport card, private medical care (PZU), and other benefits
• Company breakfasts and lunches (twice a week)