Senior QA Engineer (m/f/d) in Berlin, Deutschland

Your mission

• Analyse requirements and user stories and identify gaps, edge cases, and risks early in the development process
• Design and maintain test documentation, including test plans, test cases, checklists, and requirement traceability
• Perform functional, regression, integration, exploratory, end-to-end, and acceptance testing
• Test complex role- and permission-based scenarios, including multiple user roles, restricted access, and cross-board visibility
• Verify end-to-end integrations with Microsoft 365
• Test our iOS and Android applications across different devices and operating systems
• Validate configuration settings as well as data import and export functionality
• Report clear and reproducible defects and actively support their resolution
• Participate in release readiness, smoke testing, and post-release verification
• Use AI tools to improve test analysis, test design, debugging, and investigation

Your profile

QA expertise

• 5+ years of professional experience in Software QA
• Strong understanding of SDLC, STLC, Agile/Scrum, and shift-left testing practices
• Solid knowledge of functional, regression, smoke, integration, E2E, exploratory, UAT, compatibility, usability, and localization testing
• Experience with test design techniques such as boundary value analysis, equivalence partitioning, decision tables, state transitions, pairwise testing, and scenario-based testing
• Experience working with tools such as Jira or Azure DevOps
• Strong experience testing complex permission models and RBAC scenarios
• Experience with workflow-heavy products, such as approval processes, deadlines, or publishing rules
• Strong root-cause analysis skills using browser DevTools, network requests, console logs, local storage, REST and GraphQL payloads

Microsoft 365

• Hands-on experience testing applications integrated with Microsoft 365, such as SharePoint, Teams, Outlook, or Entra ID

Mobile & API testing

• Proven experience testing mobile applications on iOS and Android
• Understanding of mobile-specific risks such as device and OS fragmentation, permissions, network connectivity, push notifications, deep links, and app updates
• Experience working with TestFlight, Android test builds, and device logs
• Hands-on experience testing GraphQL APIs, including queries, mutations, variables, fragments, and schema introspection
• Good understanding of JSON, authentication, authorisation, validation, error handling, and status codes
• Ability to validate data consistency between API and UI

AI tools

• Practical experience using AI assistants such as ChatGPT, Claude, or GitHub Copilot in QA workflows
• Experience using AI for requirements analysis, test case generation, log investigation, payload analysis, or test automation support
• Good understanding of AI limitations and responsible handling of sensitive data

Other

• English proficiency at B2 level or higher

Nice to have

• Experience with test automation using C# / .NET, Playwright, or xUnit
• Knowledge of access-control security testing, including OWASP Top 10, IDOR, and privilege escalation
• Experience in Enterprise B2B SaaS or governance / compliance software
• ISTQB certification

Why us?

• A key role with direct impact on the quality and reliability of our product
• The opportunity to shape QA standards, processes, and testing strategies
• Close collaboration with Product and Engineering
• A modern tech environment with complex and meaningful testing challenges
• 100% remote work with a high level of ownership and flexibility
• An international and ambitious team with an open feedback culture
• Regular team offsites and opportunities for professional development