Senior Test Automation Engineer

Billennium is a global technology company with over 20 years of experience, committed to innovation and empowering businesses. As an employer, we offer a supportive, growth-focused environment where collaboration and creativity thrive. Join us to shape the future of technology together! We are looking for an experienced Test Automation Engineer who will join a long-term project for our client in the fuel retail sector. Attendance at the office is required once a month, with additional participation in planning meetings at the client's Warsaw office approximately once per quarter. What you will do: Plan and execute integration, system and usability testing. Taking part of E2E and UAT testing. Work with developers to understand the critical paths and ensure product stability. Build better cooperation with other Dev Teams. What we are looking for: At least 5 years of experience as software tester. Proficiency in Java. Experience in performance testing. Experience with Jira (preferably with X-ray). Proficiency with Git. Proficiency in using Postman for API testing. Expert in CI/CD process and tools. Excellent understanding of API response structure. Experience in testing framework building and maintenance. Expertise in understanding of the entire SDLC. Good programming practices and design patterns (SOLID, KISS, OOP etc.). Experience in code review. Experience with tool integration and adopting to new solutions and technologies (POC, show case). For Web Front: Selenium/Selenide Cypress TestNG/jUnit Cucumber JMeter (nice to have) For API: REST Assured TestNG/jUnit Gatling For Mobile: Appium XCUI Test For Performance: Gatling JMeter (nice to have) Perks and benefits (our offer): Comprehensive benefits - enjoy Udemy for Business, private medical care, Multisport card, veterinary package, language lessons, and shopping vouchers. Flexibility - adaptable working hours and remote/hybrid work options to suit your lifestyle & location. Career growth - access opportunities for professional development and learning, including perks related to our official partnerships with global IT giants: Microsoft, AWS, Snowflake, Salesforce & more. Global collaboration - work with a diverse, international team. Innovative environment - be part of a forward-thinking and growth-oriented workplace. Engaging community - work with passionate professionals and participate in team-building events, hackathons, and CSR initiatives to make an impact beyond work. Team-building events including our company tradition (annual company event in Mazury). A pleasant surprise to start your journey with us in the form of a welcome pack.