Senior QA Automation Engineer

OneRail is a technology company innovating solutions for multi-modal delivery. We have built and continue to develop a delivery orchestration platform that connects shippers to an extensive courier ecosystem to automate, optimize, and control the entire delivery supply chain, from the demand signal to the proof of delivery. Our OmniPoint SaaS platform uses proprietary algorithms and artificial intelligence to power efficient same-day delivery programs for major companies like Lowe's, Pepsi, American Tire Distributors, and Advance Auto Parts. As a Senior QA Automation Engineer, you'll be part of a team of talented engineers and developers working together to transform final mile logistics and supply chain operations. In this role, you'll take ownership of designing and executing high-quality test cases, ensuring the reliability and performance of our products. You'll work closely with developers, product managers, and DevOps to identify issues early, improve test coverage, and help deliver robust software in a fast-paced, tech-driven environment. Key Responsibilities: Design, implement, and maintain automated test suites for backend, frontend, and mobile applications to ensure reliable and scalable test coverage. Stay deeply involved in test automation and framework development, proactively debugging complex issues and contributing to high-quality software delivery. Collaborate closely with developers, product managers, and DevOps engineers to embed quality throughout the software development lifecycle. Promote and uphold QA best practices including test automation, CI/CD integration, regression testing, and performance validation. Continuously optimize QA workflows and identify opportunities for improving test effectiveness and execution speed. Evaluate, recommend, and implement QA tools and frameworks aligned with the team's technology stack. Stay current with industry trends, tools, and practices in test automation and quality assurance to help evolve our testing strategies. Requirements: 3 years of experience in Quality Assurance, with a strong focus on test automation and web technologies Hands-on experience in designing, implementing, and maintaining automated tests for APIs, UI, and backend services Solid knowledge of API testing tools such as Postman, RestAssured, or Newman Familiarity with unit and integration testing frameworks like Mocha, Chai, or Jest Proven experience with automated testing frameworks including Selenium, Cypress, Playwright, or Testim Exposure to performance and load testing tools Experience testing cloud-based applications deployed on Azure or GCP Strong debugging skills and hands-on experience in analyzing test failures and improving test reliability and coverage Comfortable working in CI/CD environments and integrating automated tests into deployment pipelines Advanced proficiency in English, both written and spoken (B2) Not sure if you have enough experience to meet the challenge, but still willing to learn and join our team? Send us your application and we will be happy to talk about the possibilities. Think big Why Join OneRail Poland? Innovation at its Core: Work on industry-leading technology that is shaping the future of logistics. Career Growth: Opportunities for professional development and career advancement. Collaborative Culture: Join a team of talented engineers and industry experts. Exciting Challenges: Solve complex problems and contribute to impactful projects. Flexibility: We offer a flexible hybrid work style and flexible employment types to suit your needs, ensuring a work-life balance that works for you. Competitive Compensation: Attractive salary and benefits package. Office location: Kraków, Poland Work Style: hybrid (2-3 days from the office / week preferred), We are open to a more flexible arrangement for candidates located outside the Krakow area. Salary levels: 19 000 – 25 000 PLN/ month Take the next step in your career and become a part of OneRail's exciting journey