Hire the best prototyping experts near San Francisco.

Toptal is a marketplace for top remote prototyping experts. Top companies and start-ups in San Francisco choose Toptal Prototyping freelancers for their mission-critical initiatives.
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Hire remote prototyping experts near San Francisco or in a similar time zone

Angela Liu

San Francisco, CA, United States
Angela is a product designer located in San Francisco. She has a master's and bachelor's degree in human-computer interaction from Carnegie Mellon University. Her goal is to best understand your user’s needs in order to envision a product that meets your bottom line. Click to continue

Bernat Fortet Unanue

San Francisco, CA, United States
Bernat is one of those fabled unicorns who is able to both design beautiful products and then develop them. In the past, he has worked for different startups—one of them, Aviate, was later acquired by Yahoo. He tackles each project with the breadth of his expertise—ranging from Movie VFX to video game design. React is his new obsession and he used it to build Calmeet.co. Click to continue

Chris Znerold

San Francisco, CA, United States
Chris is a designer/creative director based in the Denver Metro & San Francisco Bay areas. He loves to help teams create useful, beautiful product experiences by leveraging principles of human-centered design. Throughout his career he’s been fortunate to contribute to the design aesthetic and experience for companies including Apple, Airbnb, and Disney, and his design work has been awarded multiple invention patents and industry accolades. Click to continue

Angel J. Perez

San Francisco, CA, 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

Jessica Testa

San Francisco, CA, United States
Jessica is a passionate designer and strategist with a knack for seeing the bigger picture. Using data and user research as the backbone of every design challenge, she has the ability to design fluid user experiences that deliver business results. Innovation and creativity are the driving factors in every design solution she delivers. Her clients include Citrix, CNET, Symantec, PayPal, Logitech, Netflix, FreshChoice, and Trimble to name a few. Click to continue

Ringae Nuek

San Francisco, CA, United States
Ringae is a hands-on design lead who’s shipped products at startups and large corporations for 15+ years. She's helped clients—including Google, the BBC, and Samsung—to find problems and create coherent solutions through design. She has several apps in the App Store. After launching a mobile banking iOS app, she's looking to do what she loves—consumer-facing product design informed by an understanding of the user and the core business strategy. Click to continue

Igor Ginzburg

Oakland, CA, United States
Igor is a full-stack product design consultant with over 11 years of experience helping startups create delightful products for mobile, desktop, and web. He relishes challenges that's why he enjoys working on the UI parts of a project so much. One of Igor's biggest strengths as a designer is seeing the process as a whole without getting caught up in the details. Click to continue

Deborah Dennis

Oakland, CA, United States
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. Click to continue

Sasha Marchenko

San Jose, CA, United States
Sasha has over a decade of design experience in the San Francisco Bay Area and abroad for corporate and startup clients alike. She's currently the director of user experience at LiquidSpace—the largest corporate real estate network. Sasha is well-versed in design all-around but she specializes in defining UX strategies, user tests, and transforming complex technical requirements into intuitive, approachable designs. Click to continue

David Holifield

Ventura, CA, United States
David is an award-winning user experience and product designer with over 15 years of experience creating the best-in-class user-centric products for a wide range of end users. He's worked with world-class companies in a variety of industries such as the Walt Disney Company, CBS, Ticketmaster, and the Orlando Magic. Click to continue
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“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
“What attracted us to Toptal was that Toptal is sourcing its talent from a global pool. The selection process is very stringent. They’re sourcing the talent not only based on capabilities -- sourcing the best 3% -- but also based on cultural fit, which is really important to us. We had an amazing experience working with Toptal. Toptal helped us achieve our goals by bringing us very high-quality resources, on very short notice.”
Elmar Platzer
Digital Transformation Leader, CSR Australia @ CSR Limited
“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
“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
“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 @ CLARA analytics
“Always incredibly responsive, prompt, and flexible, Anna has done an outstanding job -- her work is exactly what we needed. Toptal has been a great experience for us due to the ease of getting a project going with quality talent at a cost that fits our budget. The automated online system for managing everything during onboarding was also impressive.”
Cody Wilke
Product Manager @ Crucial Life Sciences Data Solutions
“Toptal has been extremely helpful to us in finding top remote talent. The ratio from interview to hire with Toptal candidates is the highest I've ever experienced in my professional career.”
Philipp Berner
Co-founder and CTO @ KeepSafe
“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.
“One of our most time consuming problems is finding qualified staff. We need to find the correct platform to advertise on, create a proper ad, filter through tons of applications, interview and test the applicants' capabilities, and finally take a risk by hiring. This was the old way of doing things. The new way: describe the job position to our Toptal account manager, interview a few qualified applicants, and hire with a risk-free trial -- much faster, a lot easier, and with incredible results.”
Catalin S. Balaci
Owner @ EvoBits Information Technology SRL
“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
“With the pressure on and millions watching the Cleveland Cavaliers during the NBA Playoffs, Toptal delivered the talent and expertise needed to launch a brand new fan engagement platform.”
Conor Kenney
Director of Professional Services @ Cleveland Cavaliers
“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
“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