Hire the top 3% of freelance
prototyping experts.

Toptal is a marketplace for hiring the world’s best prototyping experts. Top companies and start-ups trust Toptal to hand-select top website prototyping consultants for their mission critical projects.

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Hire prototyping experts

Katherine Windley

Santa Barbara, United States
Katherine is the Co-founder and Design Director of Finesse.io, an early-stage start-up. She has over 10 years of experience as a Senior Designer at companies like Uber Digital and Condé Nast, where she redesigned GQ.com and Glamour. Katherine uses a variety of tools to make working prototypes and works well with teams of all sizes as a strong communicator. Her work includes a wide range of projects, from online publishing to eCommerce. Click to continue

Natalia Cackowska

Warsaw, Poland
Natalia is a user experience designer and researcher with nearly seven years of experience creating web and iOS applications. Most of her experience comes from designing large enterprise software and SaaS web applications, where her analytical, design, and user research skills are put to work. Click to continue

Abe Serrano

Los Angeles, United States
As a designer, Abe is an advocate for the user and considers himself a partner in building your brand experience. Clients hire him for his human-centric approach to design, his creative leadership, and his ability to get things done. Click to continue

Fabio Muniz

São Paulo, Brazil
Fabio is a product designer with 5+ years of experience working with venture-backed startups in New York, San Francisco, and the European Union. He has designed mobile apps that were featured in publications and app stores, and websites with over 100,000 monthly visitors. Currently Fabio is also writing about usability for TestLodge and mentoring DesignLab's and Springboard's UX courses. Click to continue

Mike Montgomery

Ottawa, Canada
With 15 years of experience in UI/UX design and art/creative direction, Mike has produced a wealth of products from fitness, entertainment, home automation, kid-focused smart products and games to connected devices. His brand experience includes Disney, Google, Nickelodeon, Fisher-Price, Sony Playstation, Hasbro, Activision, and more. Click to continue

Taime Koe

Bangkok, Thailand
Taime helps companies to meet their business goals with a great user experience design. She is familiar with the entire lifecycle of an app, from design to launch, and has designed a number of successful projects. Click to continue

Angel J. Perez

San Francisco, United States
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. Click to continue

María José Corino

Mar del Plata, Argentina
Maria Corino is a product designer with experience in UX and UI as well as a branding specialist. She has experience across many industries including technology, eCommerce, finance, and social media. She is focused on providing engaging and successful experiences for different audiences and improving brand strategies. Click to continue
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“Toptal allows corporations to quickly assemble teams that have the right skills for specific projects.”
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Testimonials
“Toptal has helped my business tremendously by finding, vetting, and recruiting the talent I need, at the right time. I’d definitely recommend it to others.”
Xavier Xicay
CEO & Creative Director @ Tuatara Corp
“I couldn’t have been more pleased with Toptal. They are professional, quick, well priced, and fun. I will be using them again for my next project, and the next, and the next, and the next ... ”
Mac Smith
President @ New Texas Investments
“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
“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.
“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
“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
“The best talent is at Toptal for sure. It's way better and faster than any other means of getting top talent.”
Rajesh Nagarajan
Co-Founder & CTO @ maxmantra
“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
“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
“Toptal helped us achieve our goals by really understanding what we were looking for. They worked with us very closely to figure out what the right talent looked like -- from a technical, cultural perspective -- and helped us get the onboarding done quickly so the talent could be effective as soon as possible. ”
Jay Tring
Technical Team Lead, CSR Connect, Australia @ CSR Limited
“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.”
Chad Berryman
Senior Technical Lead @ Zoomedia
“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.
“Getting set up with Toptal and finding a new team member was so easy, I don't know why anyone wouldn't give it a try. Best of all, we no longer have to worry about finding great people to help with our projects!”
Mike Branch
President & CTO @ Harbor System Integrators, Inc
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My team is going to personally help you find the best candidate to join your team.

Alvaro Oliveira
VP of Talent Operations