Quality Assurance Professionals,
On Demand

Building world-class products requires constantly evaluating how well software meets customers’ needs — it requires expert QA automation engineers.

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Toptal Quality Assurances Services
Test Automation
Test automation provides an effective solution for handling difficult and work-intensive manual tasks. Senior QA engineers use test automation to support continuous delivery and testing.
QA Consulting
From requirements review to development, incorporating QA consultants ensures your team will develop quality assurance best practices and anticipate costly mistakes with earlier bug detection.
Performance Testing
Performance testing verifies that a system meets the specs stated in requirements. QA testers evaluate along parameters such as speed, data transfer rate, bandwidth, throughput, efficiency, and reliability.
Selenium
A portable software-testing framework for web applications, Selenium is one of the most important testing frameworks for UI testing. Senior QA engineers leverage Selenium for comprehensive test automation.
CI/CD
Continuous integration (CI) and continuous delivery (CD) require test automation. Senior test automation engineers create the right frameworks to facilitate high-impact CI/CD practices.
Manual Testing
Manual testing assesses software from the vantage point of the end user, verifying that all the features work correctly. Experienced testers find bugs that automation misses and provide an additional layer of assurance.
How Toptal® Works
1
Talk to One of Our Industry Experts
A Toptal Director of Engineering will work with you to understand your goals, technical needs, and team dynamics.
2
Work with Hand-Selected Talent
Within days, we'll introduce you to the right talent for your project. Average time to match is under 24 hours.
3
The Right Fit, Guaranteed
Work with your new team member for a trial period (pay only if satisfied), ensuring they’re the right fit before starting the engagement.
Christina Lin
Christina Lin
QA Engineer
Christina has expertise in test automation and test management for web and mobile applications. She has built test frameworks from the ground up at top companies including Western Union and Ecobee.
Previously at
Western Union
Work with Christina
Ivan Cabarkapa
Ivan Cabarkapa
Automation Engineer
Ivan has more than eight years of experience in QA, setting up procedures and automated tests, including in Agile environments. He has worked on high-performing teams from startups to enterprise clients.
Previously at
Seavus
Work with Ivan
Jovana Rajkovic
Jovana Rajkovic
QA Tester
A QA tester with experience in complex functional testing (manual and automation), Jovana is passionate about bug hunts and apply best practices across a variety of applications.
Previously at
Carnegie Technologies
Work with Jovana
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