Drive Quality in Online Banking as a Senior Manual Tester!Łódź-based opportunity with hybrid work model (2 times in the office/month).As a Senior Manual Tester you will be working for our client, one of the leaders in online banking, supporting the quality assurance of complex backend services that power critical financial operations. You will join a dynamic environment where reliability, security, and high performance are essential. Your role will focus on designing and executing advanced test scenarios, ensuring the stability of integrations, and contributing to the continuous improvement of testing practices. Working closely with developers and analysts, you will help maintain the high standards required in a modern digital banking ecosystem.Your main responsibilities: Test backend systems and integrations Prepare detailed test conditions and scenarios Design and execute tests for backend components and mobile applications Analyze logs to identify issues and validate system behavior Validate data and queries using MS SQL Collaborate with cross-functional teams throughout the development lifecycle Use testing tools and methodologies to ensure product quality Support CI/CD activities using relevant engineering tools Document test results and report defects You're ideal for this role if you have: Experience in backend and mobile testing of more than 4 years Experience in preparing test conditions and test scenarios First experience in creating automated tests Basic knowledge of C# Understanding of software development processes Knowledge of testing tools and methodologies Independence, goal orientation, and consistency in completing assigned tasks  Ability to read/analyze logs Knowledge of MS SQL Knowledge of Splunk Knowledge of Jira, Confluence, Bitbucket, Jenkins, TeamCity, SonarQube We offer you:ITDS Business Consultants is involved in many various, innovative and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people. The offer includes: Stable and long-term cooperation with very good conditions. Enhance your skills and develop your expertise in various industries. Work on the most strategic projects available in the market. Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years. Participate in Social Events, training, and work in an international environment. Access to attractive Medical Package. Access to Multisport Program. Access to Pluralsight. Flexible hours & remote work. You can report violations in accordance with ITDS’s Whistleblower Procedure available here.Ref. number 8023