Job Summary: Ecosistemas Global is seeking a Junior/Senior Tester Analyst with a technical orientation in QA, data analysis, and log validation for a project in the financial sector. Key Highlights: 1. Design and execute the test strategy 2. Participate in designing automation/simulation strategies 3. Technical log analysis and troubleshooting We are Ecosistemas Global, a technology company that connects our clients with tailored, comprehensive, and innovative solutions. We operate in more than 15 countries, including Argentina, Chile, Brazil, Mexico, the United States, and Spain. With 30 years of experience and a multidisciplinary team of over 500 professionals, we are driven by our commitment to growing every project and client we work with. We want you to be part of this great team! · What are we looking for? A Junior/Senior Tester Analyst to join a major financial services company. We are seeking a QA profile with a technical orientation, focused on data analysis, transactions, and log validation, to join a project within the financial sector. Work Location: CABA Work Modality: Hybrid Working Hours: Monday to Friday, 9:00–18:00 · What will your responsibilities be? In this role, you will have the opportunity to: Design and execute the test strategy associated with projects - Design and execute test cases based on the defined testing strategy - Participate in designing automation/simulation testing strategies - Report defect reports, test progress, and results to stakeholders Technical log analysis and troubleshooting Transaction validation Integration and API testing SQL queries for data validation Analysis of errors in production/homologation environments - Identify, define, and manage test environments. - Review incident/bug reports - Proactively resolve obstacles or impediments arising in the project, assuming risks - Perform training and knowledge transfer tasks. · What do we require? You must have: Advanced student or graduate in Computer Science or related field Knowledge of binary data handling and hexadecimal format Advanced Excel skills SQL knowledge Desirable (but not mandatory) knowledge: Basic understanding of message structures under ISO standards (preferably ISO 8583) General understanding of transaction processing and financial messaging Ability to interpret technical logs and analyze low-level information Interest in developing expertise in payment methods and transactional systems Basic knowledge of networks and communication protocols Experience or familiarity with file processing and data analysis We offer excellent benefits, growth opportunities, and professional development support. At Ecosistemas Global, we believe diversity enriches our culture and perspectives; therefore, we actively foster an inclusive environment where every individual—regardless of origin, gender, orientation, abilities, or beliefs—is not only welcome but essential to our success. We value and respect all voices and invite you to join our team, where inclusion is a cornerstone of our values.-Requirements- Minimum Education: Tertiary years of experience Keywords: analyst, calidad, quality, qa, tecnologo, tecnico, tech, technician, technology, tecnologia, technologist, db, bd, sql, db2, firebird, informix, interbase, oracle, postgresql, sqlserver, media, banker, bancario, banking, banquero