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Mariel F
@marielferrey456
Senior QA Automation Engineer
Argentina
Chi sono
I help companies anticipate risks and align software quality with business objectives. With 15 years of experience, I design scalable testing frameworks, migrate manual processes to automated pipelines, and make risk-based decisions before problems reach production. I integrate AI to generate synthetic test data and detect early anomalies.
Competenze
Mariel F
offline •
Tempo di risposta medio: 2 ore
Consulta i miei servizi
Collaudo di software
I will design a QA automation strategy and test architecture
Portfolio
Esperienza lavorativa
Support Team Lead | QA Engineering SR IA
Global Partners • Full time
Jul 2021 - Jun 2025 • 3 yrs 11 mos
Progression to Technical Lead in Mobile Applications My Nissan App Mexico | +500K active users Mobile Specialization • Native iOS/Android testing with Browserstack and Charles Proxy for vehicle services • Validation of backend APIs and microservices. Automation in Postman Support & Customer Leadership • Direct management with Nissan Mexico: demos and release strategies • Predictive incident analysis → 60% post-release reduction • Escalation of critical issues and international coordination Process Innovation • Mentoring of multicultural junior/mid-level QA teams • Defining improvement vs. defect criteria with Tech Lead • Identifying test cases suitable for automation and preparing automation scripts in Playwright (Python/TypeScript/Java) for APIs integrated with UI using Cloud Code/Copilot prompt engineering • Performance testing in JMETER Additional Projects: El Palacio de Hierro (e-commerce + Salesforce) | SAP FI (financial consulting) Result: Successful transition to international technical leadership, establishing quality standards for enterprise mobile products in the automotive industry. Translated with DeepL.com (free version)
Claro Argentina
Full time • 1 yr 8 mos
QA Manual Sr | Security and Risk Management
Apr 2020 - Dec 2020 • 8 mos
Leadership in critical collection systems with a security-first approach. Prevention of financial incidents and establishment of security protocols. Financial Systems of High Risk: Testing of automated collection systems and billing processes. Validation of critical financial transactions and banking integration. Quality assurance for high-volume payment flows. Expertise in Security & Risk Management: Critical detection: test environment connected to production → prevention of real transfers. Implementation of security protocols and Git version control for QA. Development of preventive strategies for financial systems testing. Automation Research and Strategy: Technical comparative analysis: Selenium vs Cypress for modern automation. Strategic evaluation UFT HP Quality Center vs new generation tools. Proposals for transition to automated testing stack. Specialized Technical Testing: Debugging of complex systems of high criticality. Multiplatform integration testing for financial ecosystems.
QA Manual Engineer
Jul 2017 - Jul 2018 • 1 yr
Pioneering implementation of Scrum in telecommunications testing. First agile adoption in the traditional telecommunications sector. Systems Testing: Validation of mobile accessory sales systems and B2C processes. Quality assurance for customer service applications. Integration testing with legacy telecom platforms. Methodological Transformation: Successful migration from waterfall testing → Scrum methodology. Transition from HP Quality Center documentation to agile workflows. First implementation of JIRA for testing management. Collaborative Technical Development: Debugging of PL/SQL code in direct collaboration with developers. Accelerated learning of the telecommunications stack. Establishment of foundations for automated testing. Adoption of Modern Tools: Training in agile methodologies and management tools. Development of expertise in collaborative testing processes. Technical basis for roles of greater responsibility.
