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Zühlke Group • Porto, Portugal
Role & seniority: QA / Manual Software Tester (2+ years in agile teams), mid-level
Stack / tools: manual testing techniques; cross-platform testing (Windows, iOS, Android); test management and defect-tracking tools (e.g., Jira, Confluence, Zephyr); ISTQB Foundation level certification a plus; familiarity with non-functional testing (performance, security)
Collaborate with Product Owners, developers, and cross-functional teams to review requirements and acceptance criteria; suggest quality improvements
Write, execute, and maintain test cases; perform exploratory testing; contribute to regression testing before releases
Log, track, and re-verify defects; maintain test case library; participate in agile ceremonies
University degree in IT or equivalent; 2+ years in manual testing within agile teams
Cross-platform testing experience (Windows, iOS/Android); strong test design and execution skills
Fluent English (written and spoken); excellent communication and collaboration; attention to detail; structured, proactive problem-solving
ISTQB Foundation or Mobile Tester certification; experience with test management/defect tools; familiarity with performance and security testing
Hardware integration experience; ability to translate requirements into effective test scenarios
Location & work type: Portugal; flexible work hours with option to work from home / hybrid; global, diverse team w
Founded in Switzerland in 1968, Zühlke is owned by its partners and located across Europe and Asia. We are a global transformation partner, with engineering and innovation in our DNA. We're trusted to help clients envision and build their businesses for the future – to run smarter today while adapting for tomorrow’s markets, customers, and communities. Our multidisciplinary teams specialise in tech strategy and business innovation, digital solutions and applications, and device and systems engineering. We excel in complex, regulated spaces including health and finance, connecting strategy, tech implementation, and operational services to help clients become more effective, resilient businesses. If you share our values and want to do the best work, for the right reasons, we can offer you the chance to do it on a global scale and play a real role in shaping our exciting journey. The role If you enjoy working on a single project for an extended period, we have an exciting opportunity for you! Imagine being a part of an industry-leading company in HVAC sector, contributing to the digital revolution of the industry and creating amazing products that will shape the future. This is your chance at the forefront of innovation to make a significant impact, for example by reducing HVAC energy consumption. Important: To ensure a smooth review process, please submit all application documents (CV, cover letter) in English only. How you will make an impact Collaborate with Product Owners, developers, and cross-functional teams to review requirements, review acceptance criteria and suggest improvements to embed quality throughout the development life cycle; Write testcases in the test management tool, execute and maintain test cases for features, bug fixes and enhancements Perform exploratory testing during sprint development and regression tests before releases Maintain and continuously improve the test case library, ensuring relevance and coverage Log, track, and re-verify defects, ensuring clear communication and traceability Actively participate in agile ceremonies (daily stand-ups, sprint planning, reviews, retrospectives) What is important to us: University degree with a focus on IT or equivalent professional qualification 2+ years of experience in manual software testing or a QA role within agile teams Experience with cross - platform testing, including Windows and mobile applications (iOS and Android) and hardware integration Strong knowledge of manual testing techniques and test design ISTQB Certification Foundation level, Certified Tester, Mobile Application Testing is a plus Experience using test management and defect tracking tools (e.g. Jira, Confluence, Zephyr or similar) Ability to analyse requirements and convert them into effective test scenarios Familiarity with non-functional requirements testing (performance testing, security testing) Fluent in English, both written and verbal Excellent communication and collaboration skills Attention to detail and a structured way of working Ability to provide respectful, constructive, and timely feedback Critical thinking and problem-solving abilities Proactive and curious attitude toward improving quality and user experience What we offer Work life blend: we offer a safe & healthy workplace, with flexible working hours and the possibility to work from home Profit share scheme: In addition to your annual salary, you may receive a profit share defined by the company’s success in the previous year Global and Diverse Zühlke community: witness how colleagues from all our 16 offices across the globe come together to create a unique, positive and inclusive work culture, learning from one another at annual team camps, and celebrating year-end parties and other local festivities Committed to development: we are committed to the growth of our people and are investing in your development. We’re empowering you to build the skills you need to make a positive impact, both personally and for our clients, today and in the future For benefits that we offer please go to this link for Portugal. How to Apply Please remember all applications must be submitted in English only to be considered. If you feel you don't meet all the requirements, we are still happy to get to know you, learn more about your ambitions and ideas and look forward to receiving your application! We welcome people from all backgrounds, regardless of their gender, personality, national origin, race, religion, colour, sexual orientation, gender identity, age, marital status, disability or veteran status. Our promises What we do: we deliver real impact, quickly Technology is at the heart of what we do, and your expertise is how we deliver real impact, quickly. What you’ll do: you’re constantly learning and growing Our breadth of capabilities means you’ll have an outstanding network of people to call on to help you achieve more. How we work: we trust in you You’ll be respected for the work you’re doing, and trusted to work independently. What we believe in: we can make the world better We believe that technology can make a positive difference to society, and you’ll be proud of the kind of projects we make possible. Where we’re going: you can shape our future Zühlke is at a scale where your expertise can be recognized and valued, and you’ll be able to have a significant impact on how we work. Take a look at our life at Zühlke page to learn more about our culture and what it's like to work at Zühlke. Our podcast series explores some of our own colleagues personal experiences working in Software & Hardware Engineering, Data & AI, UX, Cloud, Digital Consulting and beyond. In each episode you’ll get top tips on navigating challenges like: how to become an expert communicator in tech and innovation projects. How to get accessibility right, and how to practically contribute to sustainability. Subscribe here Our cross-functional teams are located in ten countries, from Europe to Asia, and they collaborate globally. Learn more about our various teams here at Zühlke and how, using the latest technologies, we create new services, products and business models for our clients.