
Hire the Top 3% of QA Testers in 48 Hours
Toptal is a marketplace for top quality assurance testers and software testers. CEOs, CTOs, and management at top companies and startups work with Toptal QA testing freelancers to augment their development teams for app testing, integration testing, and other software testing projects to achieve their business needs.
The Toptal developer was instrumental in building the prototype and helped accelerate our time to raise funds by several weeks.
Vinod Kumar Ramachandran, Co-founder & CEO, Big Sur AI
Trusted by leading brands and startups
Meet QA Testers in Our Exclusive Network
Featured Talent

Ryan Ramsey
QA Tester
Ryan is a veteran quality assurance manual tester with extensive experience testing websites, games, apps, and content management systems. He has a strong familiarity with a wide range of mobile devices, as well as PC and Mac. An expert at test planning, test execution, and bug tracking, Ryan has the experience to ensure your project receives the test coverage it deserves.

Javier Picon
QA Tester
Javier is a QA lead with over 20 years of experience in Agile methodologies, test automation strategy, and quality assurance management. He has successfully spearheaded QA operations, established efficient workflows, and led cross-platform testing initiatives for digital products. With a proven track record of enhancing product quality, reliability, and team productivity, Javier is adept at integrating teams and optimizing test automation frameworks to meet evolving industry standards.

Sebastian Ostrowski
QA Tester
Since 2006, Sebastian has been working in software quality assurance, specializing in tests (automation and strategy definition). He's developed appropriate processes, prepared documentation, selected automation approaches, and implemented test automation frameworks, tests, and CI/CD integrations. In addition, Sebastian's built various automation solutions—from complicated event-driven distributed systems with microservices to web apps.

Jihye Cho
QA Tester
She is a seasoned QA lead and automation engineer with extensive experience driving quality across fintech, multimedia, and enterprise B2B platforms. A specialist in building robust E2E frameworks from scratch using Cypress and TypeScript, she seamlessly bridges the gap between functional testing, API validation, and web app security. Driven by a deep sense of ownership, she excels at establishing shift-left quality cultures in fast-paced, remote environments to ensure seamless product delivery.

Jakub Obstarczyk
QA Tester
Jakub is a senior QA automation engineer with many years of experience in telecommunications and digital identity. His expertise includes Agile methodologies, test automation, quality assurance, behavior-driven development, and test planning, and he has a keen ability to transition from manual to automated testing. Jakub has designed and implemented QA testing for Mastercard, Capgemini, and several other small and midsized businesses.

Andrej Savcic
QA Tester
Andrej is a quality assurance engineer with whole system development lifecycle experience. He has created and executed test plans, cases to uncover, identify, and document software problems and their cause. Andrej is passionate about every project and is always looking for ways to be even more efficient.

Stephen Jones
QA Tester
Stephen is a software quality assurance engineer with 10 years of experience working for clients in the health and wellness, commercial storage, education, biotech, sports, cryptocurrency, and real estate spaces. He focuses on web-based and native mobile applications in iOS and Android, including Bluetooth and NFC technologies. Stephen enjoys helping projects run efficiently, improving their success, and standardizing quality assurance and project practices across the business.

Alex Pavlenko
QA Tester
Alex is a lead quality assurance engineer and manager with over 14 years of experience in software testing. In addition to his expertise in quality assurance, Alex has worked as a scrum master and project manager on several large-scale outsourced projects. Since obtaining his bachelor's degree, Alex has been certified as a tester and test manager by ISTQB and a scrum master by Scrum.org.

Serdar Fener
QA Tester
Serdar is an ISTQB-certified software engineer with over a decade of SDLC experience. He specializes in software quality assurance methodologies and test automation with a variety of commercial and open-source tools. He is a bright, talented, ambitious, and self-motivated engineer with a strong technical background. Serdar has worked with notable companies such as IBM, Ericsson, and Danske Bank, with millions benefiting from his expertise.

Sergio Ruben Silva
QA Tester
Since 2007, Sergio has worked as a QA test automation engineer at a variety of companies, including EPSON Argentina, Globant, and Vista Entertainment. He's completed quality assurance tasks in a wide array of environments, including firmware for fiscal printers, web apps, web services, and desktop/mobile apps. Sergio is also comfortable creating test automation frameworks for web apps and enjoys mentoring.

Ilia Galperin
QA Tester
For over a decade, Ilia has managed a variety of quality assurance functions, including strategy, test execution, UI, API testing frameworks, and reporting tools that provide results for stakeholders in start-ups, small, and large companies. He has a deep understanding of the software development lifecycle and the critical importance that high quality plays to the success of a project. His skills bring an added advantage to any project requiring in-depth analysis and skilful QA.

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With Unparalleled Success
Trusted Talent Only
Our talent network is composed of thoroughly vetted professionals who ramp up quickly, function as essential team members, and deliver results.
Precise Matching
Our experienced talent matchers specialize in identifying talent that fits your needs. They work to understand your exact requirements and hand-select the best professionals for your project.
Seamless Hiring
We handle all aspects of billing, payments, and NDAs, streamlining the hiring process so you can focus on innovation, not overhead.
No-risk Trial Period
We want to be sure your engagement is a total success, so we offer a no-risk trial period. Work with your new hire for up to two weeks and pay only if you’re satisfied.
Effortless Scaling
We help you scale your team up or down as needed, with quick and efficient hiring in under 48 hours.
Flexible Engagements
Our flexible engagement models allow you to choose the engagement type that suits your needs and adjust it anytime: hourly, part time, or full time.
Our Developer Screening Process
26.4%Applicants Pass
Language and Personality
7.4%Applicants Pass
In-depth Skill Review
3.6%Applicants Pass
Live Screening
3.2%Applicants Pass
Test Projects
3%Applicants Pass
Continued Excellence
Try Talent Before You Hire
We have a 98% trial-to-hire success rate.
Up to two weeks to try talent and evaluate fit
No obligation to pay or hire at the end of the two weeks
Get an alternative candidate quickly if you’re not satisfied
Why Organizations Choose Toptal®

Toptal gave us access to the best designers out there, saving us a lot of time and allowing us to build the best possible product.
Thierry JakircevicGeneral Manager, Digital Solutions, Bridgestone

Toptal’s talent is really excellent. They are able to work through large business problems and code incredibly efficiently.
Emily LemonSenior Director, Cleveland Cavaliers

The kind of people we looked for were hard to find. Toptal helped us achieve our goals by bringing high quality resources to bear on very short notice.
Elmar PlatzerDigital Transformation Leader, CSR

If you’ve tried working with other vendors, Toptal is going to be a different type of company to work with; they’re going to meet you where your needs are.
Matthew SchumacherSenior Product Manager, Alpha - Precision Drilling
Top QA testers are in high demand. Ready to get started?





