Hire the Best Usability Testing Experts Near San Francisco.

Toptal is a marketplace for top remote usability testing experts. Top companies and start-ups in San Francisco choose Toptal Usability Testing freelancers for their mission-critical initiatives.

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Angel J. Perez

Usability Testing Designer, UX Design, User Research, Prototyping, Information Architecture (IA), Product Design, Interface Design, iOS, Android, Adobe Suite, Sketch, Adobe Photoshop, Adobe Illustrator, + 0 more

Using an educational foundation with a doctorate in technology design, a master's in computational sciences, and bachelor's in physics, Angel has made significant impact at companies such as Nest, Microsoft, AKQA, and Bank of America throughout his professional career. He is a talented UX/UI designer with his finger on the pulse of the latest technology and communicates extremely well.

Nest Heat Link and Hot Water Control (EU)

NASA Centralized Remote Capture System

Microsoft Context Aware Meeting Agent

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Henry Villiers

Usability Testing Designer, Sketch, Adobe Photoshop, Adobe Illustrator, iOS, User Experience (UX), UX Research, User Interface (UI), Lean UX, Visual Design, Product Design, + 0 more

Henry is a multi-award-winning creative with 18 years of experience in product, UX, interaction and visual design. He works best in fast-paced, collaborative environments that are primarily focused on helping catalyze change through design. His past clients include Nokia, Coca-Cola, Diageo, and Gwyneth Paltrow.

Stellar Operator

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Deborah Dennis

Usability Testing Designer, User Flows, User Experience (UX), Web App UX, User Interface (UI), Complex Application User Interfaces (UI), Wireframing, Prototyping, UX Design, Mockups, + 0 more

Deborah is a UX/UI expert in crafting creative and engaging interaction designs. She is well versed in making complex products into simple easy to use interfaces. She has designed mobile, web and SaaS apps for Visa, Apple, Intel, Autodesk, Symantec, and multiple startups. She is a collaborative leader skilled in building relationships, influencing, and presenting as well as setting priorities, strategy and design direction.

A User Experience Review: B2B Web App

Dermalogica Face-mapping AI Tool

Usability Testing Sessions with Skin Care Therapists

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Kelly Harrison

Usability Testing Designer, User Experience (UX), User Interface (UI), iOS App Design, Wireframing, Branding, Adobe Photoshop, iOS, WordPress, + 0 more

Kelly is a senior product designer with extensive UX/UI/design experience, delivering excellence to top tech companies including Intuit, Yahoo!, and Teradata. She also has broad experience with startups, designing native mobile and responsive web from ideation to launch. Kelly works well independently and with teams.

Yahoo! Weather App

Airtime Style Guide - Selected screens

LikeThat Style IOS App

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Mike Slone

Usability Testing Designer, Sketch, User Experience (UX), Agile, Creative Direction, UX Direction, App UX, Mobile UI, Responsive UI, Responsive Web Design (RWD), Responsive, Project Management, UX Research, + 0 more

Mike is a highly experienced and successful product, UX, UI, visual, and branding designer with many years of experience creating large- and small-scale designs. He has worked for global clients in many industries including ExxonMobil, Reebok, Taco Bell, Nike, and many others. He has also provided his design leadership and experience to startups in healthcare, higher education, and SaaS companies.

Southwest Airlines Mobile App

ExxonMobil Safety and Learning Platform

Reebok One Fitness Professional Web App Platform

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Amy Mew

Usability Testing Designer, Sketch, InDesign CC, Personas, Mobile App UX, User Journey Maps, User Experience (UX), User Research, Sitemaps, Information Architecture (IA), User Flows, Wireframing, Responsive Web Design (RWD), + 0 more

Amy is a UX designer and researcher with over 15 years of professional experience working with advertising and branding agencies on projects for small startups to Fortune 500. She has worked in-house and remotely with multidisciplinary teams of all sizes to help guide a product’s functionality, development, content, and layout into an engaging, rewarding experience. Amy is always on the lookout for exciting and innovative collaborations.-

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Ced Funches

Usability Testing Designer, Adobe Creative Suite, User Flows, Prototyping, Brand Management, Branding, UI Design, User Interface (UI), User Experience (UX), Brand Design, Web UI, Creative Direction, Adobe Illustrator, + 0 more

Ced is a performance-driven creative marketing executive with deep experience in media, entertainment, and technology. He has a proven track record of successfully building, managing, and optimizing products and brands. Ced focuses on innovation, strategy, and data-driven insights across both traditional and digital-focused marketing to deliver results and business growth for Vox, The Verge, and Eater, to name a few.

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Alex Crockett

Usability Testing Designer, Sketch 3, iOS, Android, User Interviews, UX Workshops, Ideation Workshops, UX Analysis, Personas, User Personas, Scenarios, UX Scenarios, User Flows, + 0 more

Alex is a UX designer with a decade of experience helping people achieve goals using human-centered design. From working on one of the first smart TVs to an eye-tracking system for one of the first smart cars, his work is thorough and thoughtful. In addition to innovation, Alex has worked on enterprise systems and consumer applications for companies like Microsoft Games Studios, the Guardian, Boingo Wireless, and Disney.

OS Interaction Design

Enterprise Sales Dialer

Unified Consumer and Enterprise Experiences

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Arvand Alviri

Usability Testing Designer, User Experience (UX), User Interface (UI), User Flows, Information Architecture (IA), Rapid Prototyping, User Personas, UX Audits, App UI, App UX, Responsive UI, Responsive Web Design (RWD), Lean UX, + 0 more

Arvand is a senior UX/UI designer who has worked on a variety of web and mobile apps for companies such as Microsoft, Deloitte, a Fortune 100 company, and a Silicon Valley startup that was acquired by Amazon. He's also worked as a full-time Agile Scrum product manager in a Y-Combinator team working on fintech after they were acquired by an NYSE-listed company.

AI SaaS Dashboard | Analytics and Semantics Data Input

Data Visualization and Hardware Setup for AI-enabled Energy Usage

Mobile App for the US Federal Government and a Big Four Consulting Firm

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Raymond Sharma

Usability Testing Designer, Illustrator CC, Adobe CC, Axure RP Pro, iOS, Android, WordPress, User Experience (UX), Information Architecture (IA), UX Flows, iPad, iPhone, Ideation Workshops, + 0 more

Ray is an accomplished UX specialist/designer with over 18 years of experience delivering innovated web, mobile and connected experiences across banking, finance, energy, healthcare, real estate, and eCommerce to name a few. Ray’s award-winning work includes solutions for Deutsche Bank (Autobahn trading platform), Misys (a banking user experience platform), Fidelity (an iPad investment app), and several eCommerce web and mobile apps.

Financial Insight and Investment App

FX Trading | CCY Volatility Grid

Banking User Experience Platform

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Testimonials

Michael is an incredible designer, and has been a great fit for our project. He just gets it in a way that can’t be taught. My goal was to pay Toptal to find me a high quality designer for my project, and that is exactly what happened. It was easy. Being able to see the portfolio work on Toptal’s platform is what gave me the infomation I needed to choose Michael. I have nothing but good things to say about Toptal and am looking forward to using Toptal for other projects in the future.
Edward Daniel, Co-Founder
improvemygun.com

I've worked very closely with Martina for over a year and have to say she is one of the best people I have ever worked with. Instead of simply following instructions blindly, she thinks through the task at hand, becoming a thought partner to help with whatever the project may be. Besides being super talented at design, she possesses specific qualities that make her exceptional to work with given the fast paced nature of being a startup. I would definitely recommend her to anyone looking for a talented, professional designer who doesn't need much direction to hit the ground running.
Sahil Khanna, Sr. Manager, Marketing
LeanTaaS, Inc.

Darko did a great job figuring out the user architecture for our concept, which led him to produce terrific wireframes. His knowledge of usability and design was a perfect match for the outside voice we needed to help jumpstart our project. We would certainly recommend him and work with him again in the future.
Rich Danker, Founder
Prose Market

Carlos has the unique talent of blending both quantitative and qualitative research to keenly identify UX challenges and opportunities. He thinks methodically, emphatically, and holistically to produce data-driven strategies and well-executed designs. Over the past 8 years of working with fully or partially distributed teams, Carlos manages working remotely far better than anyone I've encountered because of his strong communication and presentation skills. He is the first on my list the next time I need a UX designer.
Michelle Krogmeier, Project Manager
Union Station

Rafael is an amazing designer. His aesthetic sense is spot on, and he seems to be able to anticipate our needs before we even know what they are. He's taken the time to understand both our company and our clientele, and his solutions are consistently in-line with our values, interests, and our customers' needs. He delivers on time (if not earlier), works quickly, is well organized, and very effective. He's a pleasure to work with, and we're very happy to have found him through Toptal.
Ethan Brooks, CTO
Langlotz Patent & Trademark Works, Inc.

Toptal gave us access to the best designers out there. They’re not easy to find. Those designers integrated very quickly with our existing teams. They very quickly understood our business case and the value of our solution. Toptal really allowed us to focus on building the best possible product and save a lot of time on the typical administrative pains that goes with it -- specifically, finding the best talent. Toptal designers were very responsive, always online -- and that made life very easy for us. We have ambitious goals on how to grow the application and already Toptal has been a key contributor to that success.
Thierry Jakircevic, General Manager, Digital Solutions, Bridgestone Head Office, Tokyo
Bridgestone Corporation

We had an amazing experience working with our Toptal designer. In only two weeks, we accomplished what would've taken most companies 3 months to complete. We also enjoyed working with the Toptal team to make sure we were paired up with the right designer that would fit both our company culture and working style.
Ted Blosser, 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.
Michael Lawrence, Founder & CEO
Votify LLC

Hire Usability Testing Experts Seamlessly with Toptal

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Talk to One of Our Industry Experts

A Toptal director of design will work 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 usability testing expert for your project. Average time to match is under 24 hours.

3

The Right Fit, Guaranteed

Work with your new usability testing expert for a trial period (pay only if satisfied), ensuring they're the right fit before starting the engagement.

Tap Into World-Class Talent

Trusted Experts Only
All of our talent are seasoned experts who ramp up quickly, readily contribute as core team members, and work with you to minimize onboarding time.
The Right Fit
We have a knack for matching you with the right fit. Start working with your new hire on a no-risk trial period, paying only if satisfied.
Scale as Needed
Hire in under 2 weeks and scale your team up or down as needed, no strings attached.
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We handle all aspects of billing, payments, and NDA’s. Let us take care of the overhead while you focus on building great products.
Flexible Engagements
Choose the engagement type that suits your needs — hourly, part-time, or full-time — with the ability to change anytime.
Expert Talent Matching
Focus on your project and enjoy support from your dedicated account executive and expert talent matcher.

Featured Toptal Usability Testing Publications

Design Tools and Tutorials

The Value of User Testing with Prototypes

by Gabriel Kirmaier

Design UI Design

Who, What, and Why – A Guide to User Testing Methods

by Jeff Bryant

Design Mobile Design

Heuristic Principles for Mobile Interfaces

by Jordan DeVos

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Top Usability Testing Experts are in High Demand.

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