
Hire the Top 3% of Data Visualization Developers in 48 Hours
Hire vetted data visualization developers on demand. Leading companies choose data visualization freelancers from Toptal for their most important development projects.
Toptal's work was a crucial milestone that enabled us to scale our engineering teams and systems in step with our rapid growth.
Mark Marcantano, Calm
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Featured Talent

Filip Defar
Data Visualization Developer
Filip is a full-stack web developer with a special interest in data visualization. He has several years of professional experience working remotely on large-scale applications and building MVPs. Filip has built data visualization dashboards used by the government of Saudi Arabia, refactored and saved de-railed web applications, and helped with developing the Toptal platform you are currently using.

Tugba Demirci Kasarci
Data Visualization Developer
Tugba is a seasoned BI developer and data analyst with a decade of experience in leading firms. Her expertise spans DWH, SQL, and data visualization tools like MicroStrategy, Tableau, and Power BI. She excels in project management and has spearheaded integration and reporting projects for a major domain in a top airline. Tugba ensures accuracy in data-driven decision-making by delivering top-notch data environments and reports. She's known for her swift, proactive problem-solving approach.

Eloi Ugo Pattaro
Data Visualization Developer
Eloi Pattaro is a full-stack staff data scientist, well-versed in Python, SQL, PySpark, and cloud technologies (AWS, GCP, and Azure). Eloi's expertise includes data architecture, data mining, data visualization, and process automation. He has a strong background in leading data science teams and interfacing with marketing and product teams to improve efficiency. He is fluent in English and Portuguese and looks forward to adding value to your project.

Andrew Murphy
Data Visualization Developer
Andrew is a customer-focused developer with robust data skills, including database design, optimization, app development, ETL, data visualization, reporting, and cloud. He specializes in developing with .NET and custom Microsoft Outlook add-ins and has led teams successfully. With business acumen—gained from his MBA studies and multiple years spent working in corporate America—Andrew skilfully balances business and development goals with ease.

Ee Ann Ng
Data Visualization Developer
Ee is an of the box thinker with a passion for learning, problem-solving, and overcoming challenges. A good bridge between business and technical teams, she has a solid business acumen, data literacy, and technical skills. Ee has the ability to grasp business processes and operations through exploring and analyzing data in natural sources or warehouses. She is always detail-oriented and a strong advocate of data validation. Quality assurance (QA) checks are always a given.

Giorgi Kharaishvili
Data Visualization Developer
Giorgi is a data engineer with more than five years of experience working on ETL, data warehousing, and data visualization. He has been working as tech lead of the business intelligence department in Georgia's biggest telecommunication company Magticom, where he has implemented multi-source DWH and several BI projects. Giorgi has excellent communication skills and is passionate about helping businesses create value from their data.

Po-Ya Hsu
Data Visualization Developer
Po-Ya is a proactive and hard-working engineer with three years of experience in data analysis, providing analytical insights and quality control methods. She has helped production teams track issues and take action in advance by creating clear, easy-to-understand Power BI dashboards. Po-Ya is a highly-skilled professional with motivation and the ability to embrace new challenges and offer clients the best solutions.

Cornelis Jan Drost
Data Visualization Developer
Cornelis is a developer, mathematical modeler, and researcher with experience working in tech at Amazon and Biomatters, and startups at Fetch.ai and Ubiquetherm. He thrives on solving new and complex problems, learning new skills and background knowledge, and excels at communicating requirements and results. Cornelis has experience in software development and supporting skills, such as data analysis, visualization, math, simulation, and complex systems.

Tiger Li
Data Visualization Developer
Tiger has 25 years of experience in database development, SharePoint administration, and IT project management. He's implemented large-scale system integrations and BI projects in various industries, including retail, government, and education. His expertise spans SQL Server, MySQL, Oracle, Access, SSAS, SSRS, SSIS, Power Apps, Power BI, C#, VB.NET, Delphi, PHP, and Java. As the sole DBA at a retail company, Tiger helped boost sales from $5 million to $15 million in four years.

Derek Owens-Oas
Data Visualization Developer
Derek has a PhD in statistical science from Duke and has worked as a data scientist and software developer at Xylem. He's the founder of Tech Smart Magic. Published in the Journal of Classification and a TA of the year, he's an expert in research and teaching. He provides interactive apps, visualizations, and reports. Derek's Python and R programming, top AI and ML methods, and ability to communicate make him an asset to any company. His specialties include text data and online social networks.

Jameson Edgeworth
Data Visualization Developer
Jameson brings together a blend of business knowledge and mathematics. With skills in data modeling and statistical analysis, Jameson has helped companies from small businesses to the Fortune 500 understand their business operations and analyze trends through data.

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Why Organizations Choose Toptal®

Toptal gave us access to the best designers out there, saving us a lot of time and allowing us to build the best possible product.
Thierry JakircevicGeneral Manager, Digital Solutions, Bridgestone

Toptal’s talent is really excellent. They are able to work through large business problems and code incredibly efficiently.
Emily LemonSenior Director, Cleveland Cavaliers

The kind of people we looked for were hard to find. Toptal helped us achieve our goals by bringing high quality resources to bear on very short notice.
Elmar PlatzerDigital Transformation Leader, CSR

If you’ve tried working with other vendors, Toptal is going to be a different type of company to work with; they’re going to meet you where your needs are.
Matthew SchumacherSenior Product Manager, Alpha - Precision Drilling
Top data visualization developers are in high demand. Ready to get started?