QA Analyst & Engineer | Manual & Automation Testing | Playwright & TypeScript
Quality Assurance Engineer
Available for hire
Years of
experience
3+ years
Experience
level
Mid-level
Available
for
Full-time, Contract
QA Engineer focused on finding bugs before the users do. With a background in Frontend Development (React/TS), I bring a technical mindset to testing. I am comfortable performing thorough Manual Testing and creating stable Automation suites (Playwright). I am detail-oriented, eager to learn, and looking for a team where I can ensure quality from day one.
Skills
Languages
Employment History
Frontend Developer (Focus on Quality Engineering) at
LuizaLabs (Magazine Luiza)
2021
-
2025
Worked within a Micro-frontend ecosystem for one of Brazil's largest retailers. My focus shifted from feature development to Engineering Quality and Stability.
Testing Strategy:
Implemented Unit Testing (Jest/Vitest) in critical legacy modules, helping to
increase coverage metrics to ~95%.
Quality Gates:
Configured static analysis tools (SonarQube) and linting standards to automate code quality checks in the pipeline.
Legacy Stabilization:
Refactored complex React legacy codebases to identify root causes of performance issues (re-renders/hooks) and improve stability.
Collaboration:
Worked closely with QA teams to map edge cases during development, aiming to
reduce bug return rates.
Frontend Developer at
Repassa
2021
-
2021
Focused on the administrative dashboard, handling logic for inventory management and reverse
logistics.
Critical Systems:
Developed internal tools using React, Redux, and GraphQL to manage complex
state scenarios.
Data Integrity:
Applied validation rules on frontend forms to ensure data consistency before reaching the backend.
Bug Investigation:
Debugged and resolved issues in the admin panel to support the operation teams.
Senior Frontend Developer at
Rakuten Brasil
2015
-
2019
Acted as a Senior Developer focused on standardization and workflow automation for the
implementation team.
Process Automation:
Created custom build pipelines (Grunt/Gulp) to automate repetitive tasks and
resolve merge conflicts, reducing delivery times significantly.
Standardization:
Built a modular CSS structure (SASS/ITCSS) that allowed multiple developers to
work simultaneously without breaking the codebase.
Mentorship:
Supported junior developers with code reviews and technical guidance.
Early Career Summary (Web & PHP) at
Centersite, DATASUPRI, ACNSF | São Paulo, Brazil
2009
-
2015
Built a strong foundation in web development, working with PHP, MySQL, jQuery, and Layout Design across digital agencies and distributors. Developed backend systems using MVC patterns and managed SQL databases for reporting.
Education
Associate's degree, Computer Software Technology at
Rocketseat
2019
-
2020
Visual Communication Technician at
Faculdade de Tecnologia Alpha Channel
2013
-
2014