Toptal is a marketplace for top D3.js developers, engineers, programmers, coders, architects, and consultants. Top companies and start-ups choose Toptal D3.js freelancers for their mission-critical software projects.
We've been blown away by the level of talent we've been able to hire through Toptal.
Timothy A. Ronan
D3.js Developer
Timothy is a front-end developer who specializes in data visualization, vector graphics, interactives, and animation. He has experience throughout the entir...e 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.
Rob Moore
D3.js Developer
Rob is a recent Oxford graduate and full-stack engineer. His creativity and high quality code continue to impress clients. He is the co-owner of Wavve.co, a... company that he has helped grow to over $750 thousand ARR. He is also the founder of Floom.app, a marketplace for SaaS products that he built from the ground up.
Justin York
D3.js Developer
Justin is a full stack web developer that has found a niche with JavaScript and genealogy. He is excited about the advent of serverless architecture via AWS... Lambda and the adoption of HTTP/2 so that we can stop bundling our assets.
Gordon Murray Dent
D3.js Developer
Gordon is a highly motivated, adaptable, and personable software engineer with team leading and management experience. A polyglot by trade, he has worked pr...ofessionally with a number of languages and frameworks, specializing in JavaScript-related technologies. Gordon is always eager to embrace new challenges and brings a tried-and-true work ethic to every assignment.
Andreas Dewes
D3.js Developer
Andreas is a physicist with a PhD in experimental quantum computing and a degree in quantitative economics. As an entrepreneur, he has a passion for data an...alysis and software development and loves to tackle hard business problems with data. He has received numerous awards for his work on data analysis and his work on data privacy and big data has been featured in the national and international press.
Rashid Wakileh
D3.js Developer
Rashid is a passionate lead front-end engineer. He is an expert in test-driven development, and has extensive experience in leading teams to create software... solutions. He enjoys using JavaScript frameworks and thoroughly testing all aspects of his code.
Tomislav Bacinger
D3.js Developer
Tomislav is exploring uncharted areas, bringing a sense of data, and create immersive data visualizations and maps. He has extensive experience in data anal...ytics and data wrangling, in-depth GIS knowledge with a broad geospatial background, and strong expertise in designing and developing web and mobile applications. Maps and visualizations are his passion.
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Get StartedWe make sure that each engagement between you and your D3.js developer begins with a trial period of up to two weeks. This means that you have time to confirm the engagement will be successful. If you're completely satisfied with the results, we'll bill you for the time and continue the engagement for as long as you'd like. If you're not completely satisfied, you won't be billed. From there, we can either part ways, or we can provide you with another expert who may be a better fit and with whom we will begin a second, no-risk trial.
Depending on availability and how fast you can progress, you could start your no-risk trial with a D3.js developer within 48 hours of signing up. Most of our engagements start within 2 weeks of discussing your project with us.
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.
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.
Hire in under 2 weeks and scale your team up or down as needed, no strings attached.
We handle all aspects of billing, payments, and NDA’s. Let us take care of the overhead while you focus on building great products.
Choose the engagement type that suits your needs — hourly, part-time, or full-time — with the ability to change anytime.
Focus on your project and enjoy support from your dedicated account executive and expert talent matcher.
When Mike Bostock created D3.js, he introduced a tried and true reusable charts pattern for implementing the same chart in any number of selections. However, the limitations of this pattern are realized once the chart is initialized. In this article, Toptal engineer Rob Moore presents a revised reusable charts pattern that leverages the full power of D3.js.
In-memory data collection manipulation is something that we often need to do in data-centric reporting and visualization applications. When needed, we often tend to resort to complex loops, list comprehensions, and other suboptimal means, which can easily end up being a huge mess of hard-to-maintain spaghetti code. Supergroup.js is an in-memory data manipulation library that can be used to solve some common data manipulation challenges on limited datasets.
Top D3.js Developers are in high demand.
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