Hire the top 3% of freelance usability testing experts.

Toptal is a marketplace for top usability design experts, specialists, and testers. Each Toptal usability testing freelancer is thoroughly vetted and trusted by top companies for their most critical design projects.

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Hire usability testing experts

Deborah Rivera

Seattle, United States
Deborah has 10+ years designing and leading strategy and production of insight-driven digital experiences. She's involved in the entire life-cycle of a project, from ideation to launch, collaborating with teams of project managers, designers, developers and stakeholders to bring a project to fruition. Click to continue

Erin Stewart

Christiansted, Virgin Islands, U.S.
Erin is a user experience and product strategy leader who has led a variety of cross-device/responsive projects in Agile eCommerce, B2C, and B2B organizations. She is experienced working with dispersed teams for organizations ranging from pre-funding startups to large Fortune 500 organizations to create inspired and innovative products. She also enjoys helping build out new Agile product teams. Click to continue

Christina Barsan

New York City, United States
As a creative professional, Christina has over fifteen years of experience as a visual thinker, problem solver, manager, collaborator, and lover of technology. She constantly seeks to help her clients create the ideal brand for their business that’s aligned with their big vision. Click to continue

Goran Ramljak

Vienna, Austria
As a Visual and Interaction Designer with more than 6 years of experience, Goran has had the opportunity to work with some of the best marketing agencies in Europe. He specializes in fitting a digital product to its end screen while optimizing for look, feel, and effectiveness. Led by the belief that each component should be a masterpiece when presented, Goran aims for perfection in all of his work. Click to continue

Ruby Zheng

Philadelphia, United States
Ruby's passion is to design clean and smart solutions for digital experiences. She can work with you to translate your business goals and user needs into user-friendly web and mobile products. She specializes in information architecture (IA), interaction design (IxD), front-end development, and accessibility. Click to continue

FIetcher BoIand

Boston, United States
Fletcher is a UX designer helping companies create amazing websites, apps, and digital products. Creating a truly effective site isn't easy. It takes hard work. It's all about delivering the right experience to the right user thus design truly matters. With a wealth of experience, Fletcher leads projects that satisfy users and business needs. He wants to work together with people to build something great! Click to continue

Nick Vyhouski

Minsk, Belarus
Nick is a senior UI/UX designer with seven years of professional experience specializing in designing applications for startups. He is used to working remotely and has his tools and processes tailored to meet the demands of a fast-paced lean workflow and unpredictable startup environment. He believes that design is not about deliverables and beautiful pixels, but about solving problems and achieving business and user goals. Click to continue

Nicholas Huttema

San Francisco, United States
Nicholas is a designer currently residing in San Francisco who enjoys working with fresh ideas, various media, and clean user-interfaces. He is currently available for part-time freelance opportunities. Click to continue

Luka Vida

Zagreb, Croatia
Luka is a UX designer with 10 years of experience building digital solutions and more than 5 on mobile platforms. He has designed mobile and web solutions and led teams for clients ranging from small startups to large U.S. and EU companies with multi-million audiences. He is a Lean mentor and uses qualitative and quantitative research methods to validate assumptions and design products that achieve results and improve users' lives. Click to continue

Christine Esoldo

Charleston, United States
Christine is a UX designer, researcher, and strategist with over a decade of experience. She's shipped enterprise on-premise software, mid-market SaaS products, consumer apps, and marketing websites. She's a great communicator who has worked with all types of companies from startups to Fortune 100s. Click to continue
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Co-founder and CTO @ KeepSafe
“I can't say enough about how happy and confident I am in working with Enrique. He brings an enthusiasm to his profession that is very refreshing, constantly surprising us with his depth of knowledge and his capability to not only complete the task, but to surpass our expectations. He presents us with solutions that we would not have thought about ourselves, and sees the problem better than we can explain it.”
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Head of Sales and Customer Success @ WorkRamp
“Dean blew us away. He ranks right up there as one of the top five designers of the hundreds I have worked with in the past. He listened, was totally professional, and came up with a 3D rotating cube design completely on his own. We didn't even ask for it, and yet it has become the centerpiece of our app and how users engage with it right off the bat. What he produced inspired all of us at Votify, and put us on track for launch and investor funding.”
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