May 3, 2026
Manual QA Tester – Mobile Apps (f/m/x)
Senior • On-site
Wroclaw, Poland
We are looking for an experienced Manual QA Tester to join Sii and work on an advanced mobile solution delivered in cooperation with a global organization from the energy and smart technology domain. The project combines Flutter-based mobile applications, IoT, and real hardware testing, giving you rare exposure to how software directly impacts physical devices and real-world systems.
This is a 100% on-site role in Wrocław, designed for professionals who value close collaboration with developers, hands-on lab environments, and fast decision-making without remote barriers.
If you are looking for a stable, long-term QA role with real product impact, we are waiting to meet you!
Your tasks
Perform manual testing of Flutter-based mobile applications integrated with IoT devices, covering functional, regression, exploratory, and device‑specific scenarios on iOS and Android
Execute tests in lab and benchtop environments, including validation of data coming from sensors (e.g., temperature, pressure) and interaction with physical components
Design and maintain test scenarios reflecting real operating conditions, boundary cases, and performance constraints of embedded and IoT systems
Report, track, and verify defects with a strong focus on reproducibility, logs, device states, and hardware–software interaction
Collaborate closely with developers, engineers, and QA stakeholders to validate fixes, analyze quality risks, and support fast iteration cycles
Requirements
At least 4 years of experience as a Manual QA Tester in mobile application projects
Strong understanding of iOS and Android platforms, including platform differences and Flutter-specific behavior
Hands-on experience in testing IoT or embedded solutions, including work with physical devices, sensors, or lab environments
Ability to design and execute tests involving hardware–software interaction, boundary conditions, and real operating scenarios
English proficiency at B2 level or higher, enabling effective communication and documentation
Fluent Polish required
Residing in Poland required
What we offer
Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
Comfortable workplace – class A offices or remote work
Dozens of fascinating projects for prestigious brands from all over the world
PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
Investment in your growth – meetups, webinars, training platform and technology blog – you choose
Fantastic atmosphere created by all Sii Power People
If you want to work on systems with high operational significance — apply now!
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Remote
Warsaw, Poland
🏢 Summary: Manual QA Engineer role focused on testing an insurance platform in an international agile team. The position involves manual frontend and backend testing, API validation, bug tracking, and close collaboration with cross-functional teams in a fully remote setup. Long-term B2B cooperation with occasional business trips and benefits such as private healthcare and a sports card are offered. 🗂️ Requirements: 4+ years of manual testing experience, Frontend and backend testing experience, Experience with JIRA, Experience with Confluence, Experience with Postman, SQL knowledge, Fluent English, Familiarity with Guidewire platforms, Attention to detail, Good communication skills 📃 Skills: JIRA, Confluence, Postman, SQL, Guidewire, ClaimCenter, BillingCenter, PolicyCenter, API, Testing 🏢 Description: We’re looking for a Manual QA Engineer to join an experienced international team working on an insurance platform. If you're passionate about software quality, like working in an agile environment , and want to have a real impact on the product - we’d love to hear from you! This role is a great fit for someone who enjoys manual testing , close collaboration with cross-functional teams, and takes ownership of delivering well-tested solutions. Requirements: 4+ years of experience in manual testing – frontend and backend Experience with tools like JIRA , Confluence , Postman and SQL Strong attention to detail and good communication skills Fluency in English – essential for daily communication in a multinational team General familiarity with Guidewire platforms (ClaimCenter, BillingCenter or PolicyCenter) is a must! Nice to have: Experience in the insurance industry Responsibilities: Perform manual testing of web applications and APIs Create and maintain test cases Report and track bugs Collaborate with developers, analysts, and other QA team members Participate in team meetings ( in English ) Participate in occasional business trips ( once per quarter ) We offer: B2B contract with long-term cooperation Private healthcare ( Luxmed ) Multisport sports card 100% remote work Recruitment process: HR interview ( 20 min ) Technical interview ( 30 min ) Client interview ( 1h )