QA Engineer em Portugal

Powering Performance Marketplaces in Digital Media

QuinStreet is a pioneer in powering decentralized online  marketplaces that match searchers and “research and compare” consumers with brands . We run these virtual- and private-label marketplaces in one of the nation’s largest media networks.

Our industry leading segmentation and AI-driven  matching technologies help consumers find better solutions and brands faster. They allow brands to target and reach in-market customer prospects with pinpoint segment-by-segment accuracy, and to pay only for performance results.

Our campaign-results-driven matching decision engines and optimization algorithms are built from over 20 years and billions of dollars of online media experience.

We believe in:

• The direct measurability of digital media.
• Performance marketing. (We pioneered it.)
• The advantages of technology.

We bring all this together to deliver truly great results for consumers and brands in the world’s biggest channel.

Job Category

QuinStreet Home Services is looking for a detail-oriented QA Engineer to ensure product quality through a combination of manual exploratory testing and automated UI and API testing. You’ll collaborate closely with developers throughout the development lifecycle, design comprehensive test scenarios, investigate defects, and contribute to improving our testing processes and automation framework. This role is ideal for someone with strong analytical skills, a proactive mindset, and hands-on experience with modern testing tools and CI/CD workflows who is passionate about delivering reliable, high-quality products.

Responsibilities

• Performing comprehensive manual and exploratory testing for new features to ensure they meet requirements and provide a great user experience. 
• Developing and maintaining automated test scripts (UI and API) within the existing automation framework. 
• Creating and executing test cases, plan test runs that combine manual scenarios with automated checks for full coverage. 
• Collaborating with developers to identify testing requirements early and ensure high-quality product delivery. 
• Monitoring and analyzing automated test results in the CI/CD pipeline, taking ownership of debugging failures and reporting defects. 
• Contributing to the improvement of QA documentation, including test cases, bug reports, and internal testing instructions. 
• Actively participating in team processes (PBRs, daily meeting, retrospective) to provide testing input, testing estimates and advocate for quality best practices. 

Requirements

• 3+ years of experience in manual testing methodologies, including test design, requirement analysis, and exploratory testing techniques. 
• Proficiency in API testing, using both automated tools and manual clients. 
• Strong analytical skills with a detail-oriented mindset for finding edge cases and documenting clear, reproducible bug reports. 
• Knowledge of SQL and database basics, enabling you to verify data integrity and perform deeper backend testing. 
• Familiarity with monitoring and observability tools (Sentry, Grafana, Loki) to help investigate and reproduce production issues. 
• Great communication skills and a proactive attitude toward collaborating with developers and stakeholders to resolve issues. 
• Practical programming skills (TypeScript, JavaScript is a plus) and hands-on experience with modern automation frameworks (Playwright is a plus), with the ability to write and update existing automated tests. 
• Experience with Git for version control. 
• Basic understanding of Docker for running tests in containers. 
• Familiarity with CI/CD pipelines (e.g., BitBucket, CircleCI), including the ability to run tests and investigate pipeline failures. 

Nice to have

• Experience with performance, security, or reliability testing. 
• Experience with cloud-native architectures and testing strategies (AWS is a plus). 
• Basic experience with Mobile testing and responsive web testing across different devices. 

#LI-REMOTE

QuinStreet is an equal opportunity employer. We do not discriminate on the basis of race, color, religion, national origin, pregnancy status, sex, age, marital status, disability, sexual orientation, gender identity or any other characteristics protected by law.

Please see QuinStreet’s Employee Privacy Notice here and EU/UK Candidate Privacy Notice here .