N-iX is looking for a Senior Manual QA Engineer to join a long-term project for one of Europe's largest international banking groups. You will become part of a cross-functional Agile team developing digital banking products, including web applications, mobile apps (iOS & Android), and backend services. This role offers the opportunity to work across the entire product ecosystem—from API validation to mobile and web testing—while contributing to high-quality releases used by thousands of customers. This is a long-term engagement (approximately one year with the possibility of extension) with a stable team and standard Ukrainian working hours. Responsibilities: Design, execute, and maintain manual test cases, checklists, and test documentation; Perform functional, integration, regression, and smoke testing; Test REST APIs using Postman and Swagger/OpenAPI; Validate backend data using SQL queries; Test web applications and mobile applications (iOS & Android) on real devices and emulators; Verify UI/UX, push notifications, deep links, offline/online scenarios, and various network conditions; Analyze logs and investigate defects to identify root causes; Participate in sprint planning, test estimation, and requirements analysis; Maintain test artifacts in Azure DevOps, Jira, TestRail, and Confluence; Collaborate closely with developers, business stakeholders, and QA engineers; Mentor junior and middle QA engineers and contribute to process improvements. Requirements: 5+ years of commercial experience in Manual QA; 3+ years of hands-on REST API testing experience; At least 2 years of recent mobile testing experience (iOS & Android); Strong knowledge of SQL for database validation; Experience with Postman and Swagger/OpenAPI; Good understanding of HTTP/HTTPS, JSON, and XML; Experience testing mobile applications on real devices and emulators; Knowledge of Android Studio, ADB, and Xcode for log analysis; Solid understanding of SDLC/STLC and Agile/Scrum methodologies; Experience with Jira, Azure DevOps, TestRail, and Confluence; Strong analytical and problem-solving skills; Upper-Intermediate English or higher; Ukrainian language for day-to-day communication.. Nice to have: Experience with API test automation; Experience working with Oracle, PostgreSQL, MySQL, or MongoDB; Banking or fintech domain experience. We offer*: Flexible working format - remote, office-based or flexible A competitive salary and good compensation package Personalized career growth Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more) Active tech communities with regular knowledge sharing Education reimbursement Memorable anniversary presents Corporate events and team buildings Other location-specific benefits *not applicable for freelancers