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D3.js Freelancers

Need help from D3.js experts? Hire freelance D3.js experts on Experfy having the requisite qualities for producing dynamic, interactive data visualizations in web browsers enable presentation of visual data within web pages. For this purpose, our D3.js experts have the skills to use the widely implemented SVG, HTMLS, and CSS standards, and bind large datasets easily to SVG objects using simple D3.js functions to generate rich text, graphic charts, and diagrams. They have the ability to use functions related to selections, transitions, data-binding, appending nodes using data, API structure, maths, arrays and technical principles. Further, they can leverage the capabilities of D3.js web standards to combine powerful visualization components and a data-driven approach to DOM manipulation in modern browsers. They can use a CSS-style selector to select a given set of DOM nodes, and then use operators to control them in a similar manner to iQuery.

Hire Experfy vetted freelance D3.js experts capable of providing a more expressive framework and focusing on web standards and improved performance with D3.js.

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The top 3% of freelance D3.js Freelancers developers

Kevin J

Data Scientist at LiveRail

US | Fairfax, CA

As a data scientist, I specialize in all parts of the typical automated data workflow.  This usually consists of:

1.  Parsing log files and architecting data in HDFS and data warehouses such as any of the major columnar stored databases, e.g. Vertica, InfoBright, Redshift, Impala, Presto, or traditional MySQL, Postgres, or NoSQL.

2.  Automating reporting and statistical analysis such as forecasting, recommendations, KPI optimization with R, MATLAB, SPSS, etc. 

3.  Outputting the results in reports and dashboards with visualization tools like d3.js and other JavaScript extensions.

The top priority is always speed, efficiency, and automation.


Big Data Engineer

IN | Ahmedabad, GJ

Experience in business analysis, developing software, quality assurance and gathering user requirements/specifications. With 8 years’ of experience in Software Development, Background includes Coding, Design, Development, Testing and Maintenance with complete Software Development Life Cycle projects. Interfaced with clients, users, programmers, vendors and system engineers during the different phases of the project. Worked on Enterprise Logistics, Service Desk Application, Re-engineering, Supply Chain Management, Business Intelligence, Planning and Scheduling and Management projects.

  • Solid background in Object-Oriented analysis and design. Very good at various Design Patterns, UML and Enterprise Application Integration.
  • Expert level skills in Designing and implementing web server solutions and deploying Java Application Servers Apache Web Server and configuring various Servlet engines.
  • Comprehensive knowledge of physical and logical data modeling, performance tuning.
  • Hands-on experience in system and network administration.
  • Coding, Designing, Developing, Testing and Maintenance.
  • Experience with 2-tier, 3-tier and N-tier architecture.
  • Experience in full Software Development Life Cycle.
  • Proficient in using RDBMS concepts with Oracle and MySQL
  • Expertise in Database Design, Creation and Management of Schemas, writing Stored Procedures, Functions, DDL, DML SQL queries.
  • Expertise with Object Oriented Design (OOD), Object Oriented Analysis (OOA), Object Oriented Modeling (OOM) based on Unified Modeling Language (UML) architecture.
  • Worked extensively on Client interaction and requirement gathering, and development as per functional specifications.
  • Areas of work include Software Development and Quality Assurance.
  • Thorough understanding of requirement development is done based on different methodologies, particularly to make life easy of developers as well as users.
  • Proficient in Client/Server and Web-based applications.
  • Excellent working knowledge of designing & implementation of client/server and Web applications.
  • Good analytical and communication skills and ability to work independently with minimal supervision and also perform as part of a team.
  • Have strong analytical skills, excellent communication, interpersonal skills, and commitment, result-oriented, zeal to learn new technologies and undertake challenging tasks.
  • Ability to adapt to new technologies, changing business requirements and correctly apply new tools to build applications.
  • Strong hands on experience in the software development methodologies to develop complex projects with rapidly evolving requirements using Agile Process and Software Development life cycle.



? TECHNOLOGIES: JEE (JSP, Servlets, JDBC), Struts, Hibernate,

? WEB TOOLS: HTML, DHTML, and JavaScript

? DATABASE: MS – Access, Oracle, MS SQL.

? OPERATING SYSTEM: Windows, Linux, Centos, and MAC

? FUNCTIONAL AREAS: Analytical Information Reporting, Data Quality.

? NoSQL data stores (Cassandra, MongoDB), oozie, Pig, Hive, HBase, Apache Hadoop, Map Reduce, Spark, InfiniDB, Big Table

? Large-scale, distributed systems design and development

? Scaling, performance and scheduling and ETL techniques

? Domain: Logistics, Telecom and Big Data

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