Available to hire
Hi, I’m Tatiana Petra. I am a Quality Assurance Specialist with over 15 years of hands-on experience in software testing, automation, and quality strategy across web, mobile, and desktop platforms. I love building robust test frameworks and collaborating with cross-functional teams to deliver high-quality software.
I thrive in agile environments and enjoy driving continuous improvement, scalable automation, and product excellence. I’m passionate about leveraging AI tools to enhance test coverage and efficiency while ensuring compliant, reliable outcomes for users.
Skills
Language
Portuguese
Fluent
English
Advanced
Work Experience
Software Engineer in QA at AG MEDNET (Judi.io)
February 1, 2022 - November 27, 2025Implemented test automation with Playwright and JavaScript; built and maintained regression, smoke, and feature test scripts; managed test plans and environments on AWS; executed UI and API tests across multi-language applications; reduced functional test time by 16%.
Software Engineer in QA at DATAPREV
December 31, 2022 - December 31, 2022Implemented test automation with Selenium, DBUnit, and a custom Selenium framework; contributed to QA of Auxílio Emergencial system processing 300 million transactions for 67 million beneficiaries; performed database testing and migration oversight from Cobol/DMS2 to Java/Oracle; developed test plans and scripts; supported beta and field testing.
QA Analyst at DESCOMPLICA
December 31, 2014 - December 31, 2014Implemented QA processes; designed automated testing tools; conducted regression, error/bug retests and usability testing; documented defects and produced quality metrics; collaborated with developers to improve product quality.
Software Engineer in QA at QUANTUM
December 31, 2013 - December 31, 2013Designed and implemented testing tools and programs; performed regression testing and bug tracking; contributed to QA across multiple projects in a fast-paced environment.
Software Engineer in QA at CHEMTECH — A Siemens Company
December 31, 2012 - December 31, 2012Specified and reviewed requirements; implemented QA processes leading to CMMI Level 3; performed functional/non-functional testing across web, mobile, and desktop; developed test plans, cases, and automated scripts using Selenium IDE; conducted beta and UAT; maintained bug reports and liaised with software teams.
Software Engineer in QA (Contract) at AG MEDNET
February 1, 2022 - PresentAutomated functional testing with Playwright and JavaScript, reducing test execution time by 16%. Designed, developed, and maintained test plans, test cases, and automated scripts for regression, smoke, and feature testing. Built and managed test data using SQL and DBeaver. Communicated defects with Jira and TestRail, enabling rapid resolution. Conducted UI and API testing (Swagger, Postman, Insomnia) and performed multi-language test execution (Java, Python, C#). Configured AWS-based test environments and collaborated with cross-functional teams to validate requirements and edge cases.
QA Engineer at DATAPREV
January 1, 2014 - January 1, 2022Implemented test automation using Selenium and DBUnit. Contributed to the QA of Auxílio Emergencial, processing over 300 million transactions and serving 67 million beneficiaries. Performed database testing, developed test plans/cases/scripts, and led QA activities in migration projects and compliance with government standards.
Senior QA Software Engineer at DESCOMPLICA
January 1, 2013 - January 1, 2014Implemented QA processes, designed automated testing tools, and delivered comprehensive QA reports to ensure product quality and release readiness. Led testing efforts across software scenarios, regression testing, and usability validations, with strong collaboration with developers.
QA Engineer at QUANTUM
January 1, 2012 - January 1, 2013Designed and implemented testing tools and programs addressing software scenarios, regression testing, and usability. Ensured data integrity across thousands of assets and facilitated effective cross-team communication.
QA Engineer at CHEMTECH
January 1, 2008 - January 1, 2012Specified and reviewed functional/non-functional requirements, implemented QA processes achieving rapid CMMI Level 3 readiness, performed automated testing for web and desktop systems, and conducted UAT to validate usability and readiness.
Education
MBA in Information Technology Management at Cândido Mendes University
January 1, 2017 - November 27, 2025Bachelor of Computer Science at UFRJ - Federal University of Rio de Janeiro
January 1, 2008 - November 27, 2025MBA in Information Technology Management at Cândido Mendes University
January 11, 2030 - January 1, 2017Bachelor of Computer Science at UFRJ - Federal University of Rio de Janeiro
January 11, 2030 - January 1, 2008Qualifications
ISTQB Certified Tester – Foundation Level (CTFL)
January 1, 2010 - November 27, 2025ISTQB Certified Tester – Foundation Level Agile Tester (CTFL-AT)
January 1, 2017 - November 27, 2025SFC - Scrum Fundamentals Certified
January 1, 2017 - November 27, 2025Six Sigma Yellow Belt Certification
January 1, 2017 - November 27, 2025Scrum Master Foundation Certification
January 1, 2017 - November 27, 2025Google Analytics for beginners
January 1, 2018 - November 27, 2025CTFL - Certified Tester, Foundation Level
January 11, 2030 - January 1, 2010CTFL-AT - Certified Tester, Foundation Level - Agile Tester
January 11, 2030 - January 1, 2017SFC - Scrum Fundamentals Certified
January 11, 2030 - January 1, 2017Six Sigma Yellow Belt Certification
January 11, 2030 - January 1, 2017Scrum Master Foundation Certification
January 11, 2030 - January 1, 2017Google Analytics for Beginners
January 11, 2030 - January 1, 2018Industry Experience
Software & Internet, Education, Government, Professional Services, Other, Healthcare
Skills
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