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D3 js developers

Hire D3 js developers

Updated on:
16 Jan, 2024

Hire D3 js developers

D3.js stands for Data-Driven Documents and is essentially a JavaScript that creates creative visualizations using a library and framework derived from Java. The data binding along with graphical elements is attached to the Document Object Model. The user has the flexibility to manipulate, alter, change, or add to the DOM. D3.js offers direct changes to the DOM to provide control to the user on how a web page presents itself.

D3.js is independent of the template model toolkits. The library generated required visualizations as the user can pass the data directly into the function by allocating chart attributes. In place of toolkits, D3.js provides helper functions that work at basic and generic levels. These helpers are responsible functions because they can organize and handle graphical elements, calculate hash mark spaces, construct data scales, and animate data or graphical elements.

D3.js does not offer statistical analysis. D3.js (all in all) utilizes SVG to make the graphical components and CSS to style (modify) how SVG components are shown. D3.js makes use of the Document Object Model (DOM) to put components in the archive. D3.js method use chaining syntax. The D3.js can deal with about 100k elements before the browser crashes. Many lines, circles can be created on the canvas.

According to stack share, about 685 companies use D3.js in the tech stacks, including companies like Accenture, Clubhouse, and Coursera. D3.js offers integration with a lot of programming tools. This increases the user base and efficiency for developers and engineers alike. Some of the tools are JavaScript, React, AngularJS, Bootstrap, and React Native.

More about D3.js

D3.js binds arbitrary data on the DOM and then applies data-driven modifications in the document. For example, an HTML table can be generated from a group of numbers. It can also use the same data to create an interactive SVG bar chart incorporating smooth interactions/transitions.

D3.js can solve a bunch of problems based on the efficient modulation of document data. It does not employ a monolithic framework. D3.js uses the full capabilities of components and web standards like HTML, SVG, and CSS, thus avoiding propriety representation and offering extra flexibility to the developer.

  • Selections: They are the operating arbitrary nodes sets. D3.js employs a declarative approach to use these selections. Selections are described by the W3C API sectors and are supported by modern browsers natively. Predicates, containment/attributing values, class, and ID are the various elements selected by modern browsers while working on Selectors under D3.js.
  • Dynamic Properties: D3.js shares similarities with jQuery but styles, attributes, and other properties are specified as data functions in D3.js and not as simple constants. The simple functions are powerful and reusable, such as graphic primitives, etc.
  • Enter and Exit: Selections are used to create new notes when incoming data is detected. It also allows the user to remove data from outgoing nodes that are not needed.
  • Transformation: D3.js uses its data array of graphical marks from web standards such as HTML, SVG, and CSS. As an example, these can create SVG elements using D3.js and styling them with external stylesheets. It is easy to debug using its built-in inspector.
  • Transitions: D3.js can extend animated transitions by gradually interpolating styles and attributes over time.

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Why do companies use D3.js?

The wide user base of D3.js all over is because it renders the best data visualization framework, and it can be used to generate simple and complex visualizations. It offers a range of curve-generating functions. Transition effects can also be created with flexibility. D3.js is easy and fast, supports massive datasets, offers code reusability, and uses declarative programming through all processes.

Roles and Responsibilities of a D3.js Developer

A D3.js developer is required to create, perform, maintain a variety of visualization and custom dashboards. They need to use the JavaScript library to manipulate documents based on data and work with complex data visualization charts. Therefore, prior knowledge of similar work systems becomes necessary. A D3.js developer must actively deal with infographics, UI, and color schemes to create required material for the company. Some other top responsibilities include designing and implementing Java application phases and participating in architectural and software development activities. Conducting software analysis, testing, programming, and debugging are additional add-ons in a developer's role. Concisely, these roles can be listed as:

  • Research and development: Create dashboards, code modules, and reports using D3.js. Develop various algorithms using the same software.
  • Customization: Create visualizations on custom bases and employ out of box features in doing so.
  • D3.js charts: Develop efficient D3.js charts using different versions and software such as version 5, Angular 9 to create graphic-rich dashboards and D3.js charts.
  • Integration: Integrate dashboards effectively into web-based applications. Enabling clients to comprehend and communicate analysis results. Employ interactive, informative, and attractive charts and graphs for the same.
  • Generation: Create concise, effective dashboards and reports—present generic and custom algorithms.
  • Bug fixes: Finding, locating, analyzing, and fixing bugs/performance complications as they occur in the software.
  • Building and shipping: Designing quality software by working effectively with members of other remote software development teams.

Skills Required

Since D3.js developers deal with hands-on data application and visualization, good knowledge of user interface design, database structures, and statistical analyses is important. Futuristic and promising companies also require developers to have an analytical mindset and good problem resolution aptitude.

Key Skills

  • Advanced knowledge of D3.js/JavaScript graphing technologies. Knowledge of automated testing and version control.
  • Expert knowledge in DOM manipulation.
  • Demonstrable experience in graphics programming, interactive graphics, data visualization, and data analysis
  • Possess excellent and top-tier problem-solving, design, development, and debugging skills.
  • Complete knowledge of the API request/response and required visualizations/infographics and UI and color schemes.
  • Knowledge of Web Scraper, Infographics, Data Scraping, Data Visualization, Information Design, and Selenium WebDriver.

Soft Skills

  • Ability to work under minimum supervision
  • Teamwork qualities and be a self-motivated team player
  • Committed to delivering projects on time
  • Excellent written and verbal communication skills
  • Possessing attention to detail
  • Ensuring that deliverables are provided within timelines
  • Multi-tasking and time-management skills

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Skuad’s solution enables the hiring of certified and experienced D3.js Developers from all over the world based on your hiring requirements, be it freelance, full-time, or contract.

Education Qualifications

B.E. /B.Tech. in Computer Science or MCA or any equivalent qualification.

Salary Structure for a D3.js developer

A D3.js developer’s salary in the US is, on average, around US $127,054 a year. Additionally, Data Scientists who are skilled in D3.js can expect an average remuneration of US $98,900. Programmers who have D3.js skills can earn a sizable US $104,100 as an annual salary. According to ddiy.co, the average salary for a D3.js developer is comparable to that of a JavaScript developer, i.e., US $109,661 annually in the United States.

Freelancing and Contractual basis work

Data visualization is used to present the organization's decision-making skills positively. It assists in the development of various firms across the field of expertise. It affects the decision-making process of the companies as the interpretation of data can be more robust and practical using the graphical and pictorial forms of representation and visualization.

A wide variety of startups hire offsite D3.js developers to build web applications from scratch using posting from freelancing portals. Visualization tools are used to represent raw data in easy-to-understand graphical formats. Freelancers or contractual basis workers undertake projects to use these programs to produce customizable bar charts, pie charts, column charts, and more in their web development design framework. A D3.js freelancer expects to be paid at a rate of $55.29 on average per hour.

D3.js Certification

Data visualization programming is a skill widely used in the realm of programming and software development. Companies require the developers' skill to generate robust ideas and effective infographics for organization use. Keeping in mind the present demand, various courses and training exist on online platforms to educate developers in efficient D3.js programming. The skills include using D3.js to create powerful visualizations for the web learners and adapt to step-by-step use of the library to build actual visualizations. Platforms such as Coursera, Simpiliearn.com, Douglasshollins.com, etc., provide such certifications and training for developers to polish their skills.

Learning D3.js will enable the creation of many different types of visualization and visualize many different data types. With the freedom to create something as simple as a bar chart and personal, specific, and customizable new revolutionary techniques that programmers can use. Theoretical and practical applications are the training guides for the certifications.

Data representation and visualization assist with curating information into a clearer structure, featuring the patterns and exceptions. A decent perception provides a better recollection of data, eliminating the commotion from information and featuring valuable data only. It is the future of business, personal or corporate development.

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