Senior Manual QA Engineer

OneRail Poland Sp. z o.o. is a company working on industry-leading technology shaping the future of logistics, located in Kraków, Poland.

• 6+ years of experience in manual software testing.
• Strong understanding of software development life cycle (SDLC), testing methodologies, tools and processes.
• Strong ownership mindset with the confidence to make decisions and take responsibility for quality outcomes.
• Proactive attitude, identifies risks, raises concerns early, and drives issues to resolution independently.
• Comfortable challenging assumptions and advocating for quality standards across teams.
• Ability to work autonomously while maintaining clear communication and accountability.
• Experience in functional, regression, and exploratory testing for web and mobile applications.
• Familiarity with bug tracking tools such as JIRA, TestRail, or similar.
• Ability to write clear and concise test cases and defect reports.
• Knowledge of API testing using Postman or similar tools.
• Strong analytical skills and attention to detail.
• Skills in any modern programming language (Node.js, C# preferred) and database (SQL & NoSQL) queries are a plus.
• ISTQB certification as a plus.
• Availability to work 11:00 - 19:00 CET, 2-3 days / week.
• Advanced proficiency in English, both written and spoken (B2+).

• Develop and execute manual test cases based on product requirements and specifications.
• Identify, document, and track defects using bug tracking tools.
• Perform functional, regression, exploratory, and smoke testing to ensure software stability.
• Collaborate with developers, product managers, and other stakeholders to understand requirements and enhance product quality.
• Validate fixes and perform thorough retesting of resolved issues.
• Assist in creating and maintaining test documentation, including test plans, test cases, and test reports.
• Participate in Agile development processes, including daily stand-ups, sprint planning, and retrospectives.
• Work closely with automation engineers to identify test cases suitable for automation.
• Ensure compliance with best practices and industry standards for software testing.