Senior QA Engineer at Mangopay in Warsaw, Mazovia, Poland

Mangopay is a wallet-based payment infrastructure built specifically for organisations with complex, multi-party fund flows. A pioneer in multi-party payments. Our solution optimises fund flows on behalf of the organisations we work with using wallets as programmable, composable building blocks. Mangopay’s regulated platform collects payments, secures transactions and holds funds, splits money between the various parties in the funds flow, and ultimately manages the payout to service providers, sellers, and consumers. Platforms and fintechs using Mangopay regain control and transparency over multi-party payment flows, generate additional revenue, and improve operational efficiency. They can stay compliant while innovating and scaling. Our team of 300+ people is spread across offices in Madrid, Paris, Warsaw, Berlin, Luxembourg and London. We're looking for talented individuals to join us in tackling the exciting challenges ahead. At Mangopay, you’ll be part of a supportive, diverse team committed to building scalable solutions and driving change in the fintech space! Job Description To support the strong growth of our business and the scaling up of our modular payments platform, MANGOPAY is expanding and looking for a Senior QA Automation Engineer. As a member of one of our squads, you will be responsible for representing QA. You will collaborate closely with Product and Development representatives. You will serve as the quality advocate within your squad. Our different squads work on various functional areas of our platform through technical or product initiatives that make up our roadmap. Your role will be to contribute to your squad’s roadmap while considering QA needs and objectives. This includes improving and facilitating deliverables and providing a clear picture of the product’s quality. What will you be responsible for? Ensuring clarity of the quality of a release as well as the follow-up of identified problems Leading the implementation and maintenance of automated functional and non-functional testing (involves APIs) Research and identification of new automation solutions, tools, and processes to improve the existing ones Sharing best practices with the PM/DEV team by taking a cross-functional view of QA Ensuring the follow-up of production releases as well as events that may occur Ensuring the implementation and monitoring of performance KPIs for production Technical stack : Playwright, k6, Cypress, Postman Datadog, Elasticsearch (Kibana, Elastalert), Grafana Git (Gitlab), TeamCity, Octopus Deploy Jira, XRay for Jira What do we expect from you? 5 years of experience as an Automation QA Engineer Experience in API testing Extensive knowledge of TS/JS, using test frameworks such as Playwright, Cypress, and k6 Experience with C# would be ideal Agile QA mindset: working in an Agile context is important to you Strong knowledge of testing best practices: familiar with the ‘Test Pyramid’ and ‘Test Quadrants’ Experience with reporting and monitoring aspects Excellent analytical skills, autonomy, and attention to detail English is mandatory for this role We care about equal employment opportunities, so all qualified applicants will receive equal consideration regardless of their race, colour, religion, sex, sexual orientation, gender perception or identity, national origin, age, marital status, protected veteran status, or disability status.