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.

Meet Data Visualization Developers in Our Exclusive Network

Featured Talent

Filip Defar, data visualization Coder.

Filip Defar

Verified Expert in Engineering
10 Years of Experience

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.

Data VisualizationGitCSSJavaScriptReact.jsD3.jsRuby
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Tugba Demirci Kasarci, Accomplished data visualization Freelancer.

Tugba Demirci Kasarci

Verified Expert in Engineering
10 Years of Experience

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.

Data VisualizationSQLTableau DevelopmentData AnalysisBusiness Intelligence DevelopmentDashboardData SciencePostgreSQLDatabaseExcel DevelopmentData WarehouseJiraAnalytics Development
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Eloi Ugo Pattaro, data visualization Engineer.

Eloi Ugo Pattaro

Verified Expert in Engineering
8 Years of Experience

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.

Data VisualizationPythonData ScienceCodingMachine LearningData AnalysisAWSSQLA/B TestingArtificial IntelligenceData MiningCloud EngineeringData Engineering
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Andrew Murphy, Senior data visualization Programmer and Consultant.

Andrew Murphy

Verified Expert in Engineering
25 Years of Experience

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.

Data VisualizationDashboardTableau DevelopmentBig Data ArchitectureData EngineeringData AnalysisSQLBusiness Intelligence Development
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Ee Ann Ng, Senior data visualization Programmer and Consultant.

Ee Ann Ng

Verified Expert in Engineering
14 Years of Experience

Data Visualization Developer

Ann is an out-of-the-box thinker with a passion for learning, problem-solving, and overcoming challenges. A good bridge between business and technical teams, she has solid business acumen, data literacy, and technical skills. Ann 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.

Data VisualizationData ScienceBusiness Intelligence DevelopmentPythonSQLSnowflakeExcel DevelopmentCloud EngineeringDAXDatabaseData EngineeringData AnalysisJSON
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Giorgi Kharaishvili, data visualization Freelancer.

Giorgi Kharaishvili

Verified Expert in Engineering
8 Years of Experience

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.

Data VisualizationSQLData ScienceBusiness Intelligence DevelopmentETLData EngineeringOracle DevelopmentTableau DevelopmentData Analysis
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Po-Ya Hsu, Senior data visualization Programmer and Consultant.

Po-Ya Hsu

Verified Expert in Engineering
3 Years of Experience

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.

Data VisualizationBusiness Intelligence Development
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Tiger Li, Accomplished data visualization Freelancer.

Tiger Li

Verified Expert in Engineering
24 Years of Experience

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.

Data VisualizationDelphiBusiness Intelligence DevelopmentSSISETLSQLPythonData EngineeringData ScienceDatabase AdministrationDatabaseData WarehouseSharePoint Development
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Derek Owens-Oas, Freelance data visualization Developer for Hire.

Derek Owens-Oas

Verified Expert in Engineering
6 Years of Experience

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.

Data VisualizationRStudio ShinyData ScienceETLAnalytics DevelopmentAlgorithmsNLPData EngineeringDatabaseAutomationExcel DevelopmentArtificial IntelligenceQuantitative Development
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Jameson Edgeworth, data visualization Freelancer.

Jameson Edgeworth

Verified Expert in Engineering
9 Years of Experience

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.

Data VisualizationSQLBusiness Intelligence DevelopmentData WarehouseETLData EngineeringExcel Development
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Pawan Warade, data visualization Coder.

Pawan Warade

Verified Expert in Engineering
10 Years of Experience

Data Visualization Developer

Pawan is a data engineer with 9+ years of experience in data warehouse design, solution architecture, and managing offshore teams. He implements end-to-end ETL pipelines in Agile with Talend, Informatica, and PySpark and creates modern data lakes with Snowflake. Pawan also works with databases like Teradata, Greenplum, and Hive and drives informed decisions by crafting insightful visualizations with Tableau and Power BI.

Data VisualizationSnowflakeAmazon S3DatabaseData WarehouseSQL
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Discover More Data Visualization Developers in the Toptal Network
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Our talent network is composed of thoroughly vetted professionals who ramp up quickly, function as essential team members, and deliver results.

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Toptal developers possess excellent written and verbal communication skills. We test each candidate’s ability to convey complex technical concepts clearly across multiple collaboration tools and communication mediums. We also assess personality traits, looking for candidates who are passionate and fully engaged in their work.

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Developers are required to demonstrate their knowledge and problem-solving ability through various assessments. We evaluate candidates based on their specialized work experience and knowledge of core technical domains, such as algorithms, data structures, system design, software engineering fundamentals, and more.

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Toptal developers are skilled at tackling complex technical challenges creatively and independently. Each candidate participates in a live screening with one of our top developers, where they must demonstrate their ability to analyze technical challenges, propose multiple solution paths, and make decisions in real time.

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Toptal developers are required to complete a test project that reflects real client work. During this step, candidates demonstrate their ability to ideate, scope, implement solutions, and solve complex technical problems in real-world scenarios.

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Toptal developers are expected to maintain a strong track record while working with clients. We continuously evaluate our talent throughout engagements to ensure our high standards for excellence and performance are consistently met.

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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

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