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Best D3.js freelancers to hire in 2025

Looking to hire D3.js freelancers for your next project? Browse the world’s best D3.js freelancers on Contra.

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Logo for Wix StudioLogo for RiveLogo for WebstudioLogo for GlorifyLogo for JitterLogo for FlutterFlowLogo for PeachWebLogo for CanvaLogo for Lottie FilesLogo for Workshop BuiltLogo for BuildshipLogo for AppsumoLogo for FramerLogo for BarrelLogo for BubbleLogo for LummiLogo for WebflowLogo for GrayscaleLogo for Stride UXLogo for InstantLogo for SplineLogo for KittlLogo for RelumeLogo for HeyGenLogo for Replo
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Diana O
Singapore
Cover image for Next.js / D3js / Neo4j / OpenAI: Search Engine & Network Viz
Cover image for Data visualization library for a healthcare technology company
Cover image for Web-based tool for monitoring medical data
Cover image for Built a web app for an academic research project with React
D3.js(6)
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Nabeel Farooq
PROPakistan
Cover image for Interactive Treemap Data Visualization Using D3.js
Cover image for The Bubble App – Real-Time Social Networking Platform
Cover image for Hotel Website UI/UX, Branding & Development
Cover image for Relume - Juice Labs UI/UX Design
D3.js(1)
Cover image for 🚀 Angular 18 Web App – Fast, Secure & PWA-Optimized
Cover image for Next.js Admin Dashboard – Scalable
Cover image for WordPress – Gutenberg-Powered, Secure, and SEO-Optimized
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Cover image for State to State Migration Flows
Cover image for Bubble Map
Cover image for Full Stack Developer (Next.js)
Cover image for Hosting n8n on Google Kubernetes Engine (GKE)
D3.js(2)

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Cover image for Bubble Map
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Bubble Map

Cover image for State to State Migration Flows
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State to State Migration Flows

Cover image for Interactive Treemap Data Visualization Using D3.js
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Interactive Treemap Data Visualization Using D3.js

Cover image for Network Visualization for Social Media Analysis
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Network Visualization for Social Media Analysis

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Interactive dashboard for Web3 gaming company

Cover image for Data visualization library for a healthcare technology company
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Data visualization library for a healthcare technology company

Cover image for Built a web app for an academic research project with React
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Built a web app for an academic research project with React

Cover image for Web-based tool for monitoring medical data
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Web-based tool for monitoring medical data

Cover image for Next.js / D3js / Neo4j / OpenAI: Search Engine & Network Viz
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Next.js / D3js / Neo4j / OpenAI: Search Engine & Network Viz

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Light Blue Dashboard

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COVID-19 Dashboard

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THE ECONOMIST - Healon

Cover image for THE ECONOMIST - Cognizant
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THE ECONOMIST - Cognizant

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Evidence-Based Scheduler

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D3 Data Journalism

Cover image for Intuitive and Impactful Custom Air Monitoring Dashboard
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Intuitive and Impactful Custom Air Monitoring Dashboard

Cover image for Blood as an Oratory Vessel
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Blood as an Oratory Vessel

Cover image for Compound Interest Calculator
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Compound Interest Calculator

Cover image for Vemos
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Vemos

Cover image for Aircela CO2 direct air capture demo visualization
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Aircela CO2 direct air capture demo visualization

Cover image for City of Denver Air Quality App
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City of Denver Air Quality App

Cover image for RouteLab Observer • Transit Data Collection in the 21st Century
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RouteLab Observer • Transit Data Collection in the 21st Century

Cover image for The Living Archive - Centrinno EU
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The Living Archive - Centrinno EU

Cover image for Cryptofarm
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Cryptofarm

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COVID-19 Tracker

Cover image for DashboardX
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DashboardX

Cover image for Interactive charts for devby media
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Interactive charts for devby media

Cover image for Charts for DOU
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Charts for DOU

Cover image for #30DaysChartChallenge
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#30DaysChartChallenge

Cover image for You Otter Know
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You Otter Know

Cover image for Buzzd
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Buzzd

Cover image for Financial Risk Analysis Model for Informed Investment Decisions
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Financial Risk Analysis Model for Informed Investment Decisions

Cover image for Custom Data Visualizations
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Custom Data Visualizations

Cover image for Dashboard for Managing Big Machinery
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Dashboard for Managing Big Machinery

Cover image for Sankey Visualization of Material & Energy Flows
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Sankey Visualization of Material & Energy Flows

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Cloudica : Live Monitoring Software

Cover image for Reign of Roman Emperors from 27 BC to 395 AD
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Reign of Roman Emperors from 27 BC to 395 AD

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Fizz Buzz the game

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Space: Guiding Your Way - World Space Week

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Programming & AI : You need it, We got it.

Cover image for The Pig Pencil
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The Pig Pencil

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FAQs

Review the freelancer's past projects and portfolio to assess their expertise in creating data visualizations that meet your specific needs. Look for experience in projects that are similar in scope and complexity to yours, and check for any client testimonials or reviews that highlight their proficiency in D3.js.
During the initial discussion, clearly define the project goals, scope, and desired outcomes. Discuss any specific data sets, visualization styles, and functionalities required. Agree on a timeline and milestones to ensure transparency and alignment on expectations. It's also important to decide on how progress will be communicated and any tools to be used for collaboration.
Break down the project into smaller tasks with dedicated deadlines, creating milestones that allow for regular evaluations of progress. Use project management tools to facilitate communication and track progress. Schedule periodic check-ins to review completed work, address any challenges, and make adjustments to the plan if necessary.
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