Thiago de Oliveira Coghi
Quality Assurance Engineer | Test Automation | Playwright | Java | API & UI Testing
Professional Summary
Detail-oriented QA Engineer with strong experience in manual and automated testing, focusing on Playwright, Java, and API validation. Skilled in identifying critical issues, improving test coverage, and ensuring software quality throughout the SDLC. Experienced in Agile environments (Scrum, Kanban) and collaborating closely with developers and product teams to deliver stable, high-quality solutions.
Passionate about automation, continuous improvement, and using data-driven insights to enhance testing strategies and product reliability.
Technical Skills
• Test Automation: Playwright, Selenium, JUnit, Postman, RestAssured
• Programming Languages: Java, JavaScript, Python, C#
• Test Management & CI/CD: Jira, TestRail, Jenkins, Git, Docker
• Web & API Testing: REST APIs, JSON, Swagger
• Methodologies: Agile (Scrum/Kanban), BDD, TDD
• Cloud & Tools: AWS basics, API Gateway, S3, Lambda (conceptual knowledge)
• Other Skills: SQL, HTML/CSS, troubleshooting, defect tracking
Professional Experience
Software QA Engineer | Freelance / Personal Projects
Remote | 2023 – Present
• Developed and executed automated UI and API test scripts using Playwright and Java, improving test efficiency by 40%.
• Designed and maintained end-to-end regression suites, integrated into CI/CD pipelines (GitHub Actions).
• Conducted manual exploratory and functional testing for multiple environments.
• Created clear and detailed bug reports and collaborated with developers to ensure rapid resolution.
• Applied QA metrics to track coverage, defect density, and performance over time.
Software Developer & QA Analyst | Personal/Academic Projects
Brazil| UNISO | 2021 – 2023
• Designed RESTful APIs and performed automated tests using Selenium and RestAssured.
• Participated in code reviews, ensuring quality and compliance with standards.
• Used Dockerized environments for testing microservices.
• Improved test case reusability and documentation consistency.
Education
Bachelor’s in Control and Automation Engineering
Universidade de Sorocaba, São Paulo – Brazil
Complete: 2016
Certifications & Courses
• Playwright Test Automation Bootcamp – Udemy (2024)
• Software Testing Foundations – DIO.me (2023)
• Agile & Scrum Fundamentals – Coursera (2023)
• Java Programming – DIO.me (2022)
Languages
• Portuguese: Native
• English: Advanced (Speaking, Reading, Writing)
Soft Skills
Analytical mindset | Team collaboration | Problem solving | Attention to detail | Continuous learning | Adaptability
