Quality Assurance Engineer (QA)

Nasze wymagania: You have proven experience in testing complex backend services and APIs. You bring hands-on experience with frontend testing across mobile and web applications, as well as a solid understanding of test automation frameworks. You are proficient in Python or motivated to transition to it for script-based testing. You think with a quality-first mindset and are familiar with design patterns such as Page Object, as well as Agile ways of working. You are a proactive and hands-on team player who thrives under tight deadlines and enjoys working in a fast-paced fintech environment. You communicate clearly and confidently in English, while (Swiss-) German is considered a strong plus. O projekcie: At Online Solutions, we support our partners in building strong and sustainable digital teams. For one of our partners — a Swiss-based company operating in the fintech sector — we are currently looking for a Quality Assurance Engineer (QA). This role offers the opportunity to work in a fast-paced and international engineering environment, where you will take ownership of end-to-end quality assurance processes across backend services, APIs, and digital platforms. You will collaborate closely with developers, product owners, and engineering teams and contribute to stable, scalable, and high-quality releases within an innovative fintech ecosystem. If you are looking for a role that offers technical ownership, hands-on impact, and the opportunity to shape modern QA practices, this could be an excellent next step in your career. Zakres obowiązków: You act as the final quality gatekeeper before releases, taking ownership of the release cycle and ensuring all features are fully validated and meet high deployment standards. You deep-dive into backend services, microservices, and API architectures to ensure stable and reliable integrations with external partners. You perform end-to-end manual and automated testing across the full stack, including backend services, mobile applications, and web platforms. You work closely with developers and product owners to define test scopes, challenge requirements, and proactively prevent defects before release. You create, enhance, and scale automated testing suites within the CI/CD ecosystem, ensuring high-impact regression tests provide fast and reliable feedback. You support and drive the adoption of AI-driven testing tools and innovative QA practices to continuously optimize workflows and improve testing efficiency. You contribute to delivering high-quality releases in a fast-paced fintech environment.