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Luciana GriecoLG

Luciana Grieco

Senior QA Engineer | Payments & POS | E2E Testing

€180/day
Madrid, ES
8-15 years

Average response time: 1 hour

About Luciana

Senior QA Engineer with strong experience in testing web applications, POS systems and payment flows.

I specialize in end-to-end testing, ensuring that critical user journeys such as checkout and transactions work flawlessly.

I have worked in retail and financial environments, collaborating closely with development and product teams to deliver high-quality, reliable releases.

My focus is not only on finding bugs, but on improving user experience and preventing issues before they reach production.

I can help you validate your product, identify risks and provide clear, structured reports with actionable insights.

Available for short-term projects and quick testing support.
  • Spanish

    Native or bilingual

  • Italian

    Basic

  • English

    Conversational

Can work on-site
Madrid (up to 50km)

Experience

  • NT Sopra Steria
    QAEngineer
    November 2025 - Today (7 months)
    Madrid, Spain
    SeniorQAEngineerspecialized inend-to-endtesting ofwebapplications, POSsystemsand paymentflows within retailenvironments. Ifocusonidentifying critical bugs,improving user experienceandensuring high-qualityreleasesin complexand regulatedsystems. Strongexperiencein testing real userjourneyssuch ascheckoutand payments,witha business-oriented mindset. Ideliverclear,structuredandactionablereportsthat helpteamsimprove productqualityand reducerisks. Detail-oriented,proactiveand reliable..
    End-to-End Testing (E2E) Bug Tracking & Reporting Payment Flow Testing QA Automation Test Case Design & Execution
  • Ualá–
    QAEngineer
    May 2022 - October 2025 (3 years and 5 months)
    Buenos Aires, Argentina
    UsedJiraforQAmanagement:testcasedesignand execution,bugtracking,metricsgeneration,and mandatoryevidence documentation.. Implementedquality solutionstogetherwith development,functional,andarchitectureteams, ensuringcontrolled releasesina regulatedfinancial environment. Participated incross-teamQAmeetingstoalign processes,sharelearnings,andadoptnewpractices inautomation,performancetesting,andoptimization. Designedandexecutedautomatedtestsin Python, simulating banktransfersand reconciliations. Version-controlledscriptsinGitHub,generatedAllure reports,and managed testrunsinJira,integrated withSlack.
  • Prisma Medios de Pago–
    Testing Analyst III
    August 2017 - May 2022 (4 years and 9 months)
    Buenos Aires, Argentina
    Ensured the quality of software developments and deployments, guaranteeing functionality and product stability. Designed and executed functional (acceptance, integration, regression) and non-functional (load and stress) tests. Created and maintained structured test plans and test cases, evaluating compliance with business requirements. Performed backend testing of the QR functionality using Postman, validating integrations and services. Conducted end-to-end validation from the application (web and mobile) with automated tests in Cypress. Used Jira for full QA lifecycle tracking: test management, defect tracking, evidence collection, metrics, and release coordination.
    . Monitored microservice logs in Marathon to ensure proper operation and detect issues. Deployed QA environments via Jenkins and verified SonarQube test coverage above 80% to approve QA releases. Collaborated with Product Owners, UX Designers, and Developers to identify requirements and ensure proper implementation. Participated in production release testing, validating the correct execution of critical functionalities in live environments.

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Education

  • Analyst Programmer Degree
    UAI
    2028
    Analyst Programmer Degree
  • Playwright with JavaScript – Automation Testing Course. Selenium WebDriver with Java – Automation Fundamentals (Level I)
    UDEMY
    2025
    Playwright with JavaScript – Automation Testing Course. Selenium WebDriver with Java – Automation Fundamentals (Level I)

Certifications

Skill set

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