Senior Manual Tester (f/m/x)

We are looking for a Senior Manual Tester to support a team of a global company operating in the electric mobility and energy domain. The project focuses on building and operating a platform that supports public charging services, energy solutions, and e-commerce functionalities across Scandinavian markets (Sweden, Norway, Denmark). The team works on a modern, microservice-based ecosystem enabling large-scale integrations, complex backend flows, and end-to-end customer journeys in the area of electric mobility and energy services. Your tasks Planning and executing integration, system, and usability testing Participating in end-to-end and UAT testing activities Validating complex backend flows across multiple microservices and integrations Collaborating with developers to understand critical paths and ensure product stability Strengthening cooperation with other development teams Working closely with cross-functional and cross-team stakeholders to improve overall product quality Requirements At least 5 years of experience in software testing, including planning, execution, and evaluation of tests Strong background in backend testing within microservice-based, asynchronous, and event-driven architectures Hands-on practice with API testing (Postman, Swagger), messaging flows (AWS SNS/SQS), and validation of data across integrated services Practical knowledge of test and defect management tools such as Jira, TestRail, and Xray Confidence in working with SQL databases, logs, and request tracing to ensure end-to-end quality Solid understanding of the software development lifecycle and Agile testing approaches Ability to communicate effectively and collaborate with multiple development and cross-functional teams Fluent Polish and English, both written and spoken Residing in Poland required Nice-to-have requirements Previous work in automation testing of mobile and web applications Knowledge of REST API standards, HTTP protocols, and API contract validation Experience or domain knowledge related to card payments or card management ISTQB Foundation Level and/or ISTQB Advanced Level Test Analyst certification 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 Solstice Analytics Power People If you want to work on systems with high operational significance — apply now!