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Hire the best D3.js developers near Portland.

Toptal is a marketplace for top remote D3.js developers, engineers, programmers, coders, architects, and consultants. Top companies and start-ups in Portland choose Toptal D3.js freelancers for their mission-critical initiatives.
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Hire remote D3.js Developers near Portland or in a similar time zone

Scott Will

Member since April 20, 2017
Scott specializes in web solutions and iOS/Android mobile apps. He has seventeen years of web development experience and has been developing and leading large projects for over seven years. He currently works in a senior full-stack developer position and mostly works with Ruby on Rails, Django, Angular, and React. Click to continue

Jake Hershey, Ph.D.

Member since September 6, 2017
Jake is an accomplished marketing statistician, data scientist, and database programmer with 17 years of experience building SQL Server databases, predictive models, machine learning solutions, and custom interactive web-based data visualizations. He is the founder of SurveyGraphics.com - a data visualization tool for the market research industry. Click to continue

Timothy A. Ronan

Member since September 15, 2015
Timothy is a front-end developer who specializes in data visualization, vector graphics, interactives, and animation. He has experience throughout the entire scope of web projects and has designed UI/UX, assets, templates, and projects. He's analyzed, cleaned, and converted data, and worked with databases and APIs. Embracing web experiences outside of the front-end has been instrumental in developing original, concise, and effective interfaces. Click to continue

Mikalai Miatlitski

Member since January 22, 2016
Mikalai is a consultant and technical leader with over 10 years of experience in the IT industry. He has worked for major clients such as API Outsourcing, CobornsDelivers, and NMDP. His background includes extensive hands-on development, providing specific technical solutions, and working on international teams. Click to continue

XiaoFeng An

Member since November 10, 2015
With nine years of software development experience, XiaoFeng has contributed to projects small and large, demonstrating his professionalism with unmatched quality and reliability. Being a professional developer means understanding all the requirements of a project and finding the best way to implement it to a high-quality standard. He is proficient in modern web languages and always focuses on project structures and coding style. Click to continue
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“To take advantage of Toptal's capabilities, we actually remodeled the way we do our work. We develop pseudo code with some code fragments that we send to our Toptal developer, who has a specific task set. The work is then further processed by the next group of Toptal engineers. It's been very efficient and we've seen a massive improvement in our development speed.”
William North
CTO & Co-Founder @ Swizly
“The task of finding and hiring the right developers and programmers can be daunting, especially for startups. After sifting through countless unfit freelancers, we came across Toptal. They were able to fill our open position in no time, and I'd highly recommend the service!”
Josef Holm
CEO @ Tubestart
“Andrea is doing an amazing job. I don't think we could have gotten a better person. He is fun to work with, he thinks out of the box, and he is extremely knowledgeable in what he is going. He not only does an excellent job, he also helps our company to differentiate our business model further (e.g. making our app offline-capable). I would recommend Andrea as well as Toptal any time to any friend.”
Pascal Girardat
Co-Founder / CEO @ Lifestage Solutions AG
“As a small company with limited resources we can't afford to make expensive mistakes. Toptal provided us with an experienced programmer who was able to hit the ground running and begin contributing immediately. It has been a great experience and one we'd repeat again in a heartbeat.”
Stuart Pocknee
Principal @ Site Specific Software Solutions
“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 is a great resource for startups with ever-changing product roadmaps and budgets. Within 8 business days of our first conversation, we had highly skilled and reasonably priced Toptal developers working for us. It has been an empowering experience for our company to start working with Toptal.”
Chris Clark
CEO @ BirdieFire
“Toptal's developers and architects have been both very professional and easy to work with. The solution they produced was fairly priced and top quality, reducing our time to launch. Thanks again, Toptal.”
Jeremy Wessels
CEO @ Kognosi
“I'm incredibly impressed with Toptal. Our developer communicates with me every day, and is a very powerful coder. He's a true professional and his work is just excellent. 5 stars for Toptal.”
Pietro Casoar
CEO @ Ronin Play Pty Ltd
“The developers I was paired with were incredible -- smart, driven, and responsive. It used to be hard to find quality engineers and consultants. Now it isn't.”
Ryan Rockefeller
CEO @ Radeeus
“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
“In addition to sharp technical skills, Faruk had a great attitude and is a really exceptional communicator. He always let us know where he was with his work, thoroughly and reliably. That's not always the case, and it made working remotely considerably easier. He was an easy integration into the team. ”
Leif Abraham
Co-Founder @ AND CO Ventures Inc
“I struggled for weeks with a Youtube API-specific problem and couldn't find anyone to solve it. Toptal immediately identified the right consultant who took the time to investigate the issue and resolve it quickly. The process was seamless and I will continue to use Toptal with any other issues that arise.”
Rohit Gupta
CEO @ Bollyshake
“I've been very happy with Juraj. He is efficient, writes great code, and is an extremely nice guy to work with. Most importantly, he is self-motivated -- in his initial pass at the code base he has contributed several optimizations and stability improvements.”
Matt Cotton
Dev Team Lead @ eFolder

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