Manual Tester (f/m/x)
Sii Poland • Warszawa, Pomeranian Voivodeship, Poland
Role & seniority: Experienced QA / Test Engineer (mid-senior level), minimum 4 years in testing web and mobile apps
Stack/tools: web/mobile testing; API testing (Postman, Swagger); SQL databases; bug tracking systems (Jira, TestRail, qTest, Zephyr, Azure DevOps); Agile methodology; fluent in English and Polish (C1)
Top 3 responsibilities
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Create test cases and test scenarios; plan and execute integration and contract testing
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Report issues, prepare test reports and documentation; ensure highest test quality
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Collaborate with developers to understand critical paths and maintain product stability
Must-have skills
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4+ years of web/mobile testing experience; API testing; SQL
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Experience with Jira/TestRail/qTest/Zephyr/Azure DevOps; Agile mindset
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Openness, strong communication, attention to detail, team collaboration
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Polish and English proficiency (C1); resident in Poland
Nice-to-haves
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ISTQB certificate
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Experience with WCAG or ETL/data testing
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German language proficiency
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Location & work type: Poland-based; hybrid work model (work from office 2–3 days/week)
Full Description
Join our Team – the largest Testing Services Center in Poland, created by testers for testers, in a company routinely awarded with Great Place to Work awards.
We help our employees identify, use, and grow their strengths by providing interesting projects and constant access to knowledge through our own training platform, webinars, a unique mentoring program, and experience exchange within our Community.
Working model: hybrid (2–3 times a week from the office).
Your tasks
Creating test cases and test scenarios Planning and executing integration, contract testing Reporting all encountered problems and errors Preparing test reports, creating documentation Ensuring all tests maintain the highest quality Working with developers to understand the critical paths and ensure product stability
Requirements
At least 4 years of experience with testing web and mobile applications Knowledge of common test design techniques Previous work with API testing (Postman, Swagger) and SQL databases
Familiarity with one of the following bug tracking systems: Jira, Test Rail, qTest, Zephyr, Azure DevOps Experience of working in Agile methodology Openness, good communication, attention to detail, ability to work in a team Fluency in English and Polish (at least C1) Residing in Poland required
Nice to have
ISTQB certificate Experience with WCAG or ETL/Data testing Fluency in German
Job no. 260209-52UCZ
Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.
Benefits For You
Great Place to Work
Solid financial situation
Contracts with the biggest brands
Centre of internal trainings
Many experts you can learn from
Open and accessible management team
Profit sharing
Passion Sponsorship program
Regular integration events and trips
Comfortable and well-equipped offices
MySii app
Medical care
