Hire the best jQuery developers

Check out jQuery developers with the skills you need for your next job.

Clients rate jQuery developers
Rating is 4.7 out of 5.
4.7/5
based on 23,714 client reviews
Ryan B.
$75/hr
  • Trophy Icon jQuery
  • Website Development
  • HTML
  • CSS
  • React
  • PostgreSQL
  • Node.js
  • JavaScript
  • Squarespace
  • Shopify
  • Wix
  • Webflow
  • Responsive Web Design
  • Responsive Design
  • Front-End Development

I am passionate about bringing websites to life for my clients that reflect their brand, vision, and personality. One of the things I take most seriously is providing support throughout the entire journey and communicating clearly through the process! I have built a wide range of websites related to the following industries: psychology, authors, basketball leagues, fitness studios, coffee shops, equipment rentals, home defense, energy work, etc. Any chance I have an opportunity to work in a new field, I consider it a chance to become a better version of myself as I get to learn about something new! Webflow has become my CMS of choice! It...

Viktor M.
$50/hr
  • Trophy Icon jQuery
  • Theme Customization
  • Theme Development
  • Liquid
  • Website Customization
  • JavaScript
  • Landing Page
  • HTML5
  • CSS 3
  • PSD to HTML
  • AJAX
  • GitHub
  • Vue.js
  • Adobe Photoshop

I’m a front-end Developer. I can build adaptive and high-quality layouts on your design or adapt the website to your corporate identity. I can also create any custom development, complex logic or other tasks related to the frontend. I have a perfect understanding of how liquid, JavaScript, HTML and CSS work, and have a lot of experience working with all of them. If you want to build a really high-quality website and need help doing so, contact me! I also have a bachelor's degree in "Organization and Information Security Technology", and have used technologies like HTML5, CSS3, JavaScript, SASS, Grunt, Git, Liquid, Bootstrap, Vue, PostsCSS,...

Andrew B.
$130/hr
  • Trophy Icon jQuery
  • JavaScript
  • PHP
  • WordPress Plugin
  • Web Design
  • Ecommerce Platform Development
  • WordPress
  • Web Development
  • Ecommerce
  • API
  • Elementor
  • WooCommerce
  • Theme Development

Hi, my name is Andrew and I began using Wordpress when it first began. I've spent most of my waking hours for the last ten years designing, programming and operating Wordpress sites. One of my specialties is taking an idea from scratch and creating a full-fledged platform. I go beyond to produce sites with a unique, outstanding, contemporary look-and-feel. With extensive knowledge of web mechanics, I'm able to optimize complex integrations to require little-to-no maintenance while running on their own for years. I am a PHP programmer at heart and create features that are best suited for the job at hand, as opposed to trying to fit a job...

Sean H.
$50/hr
  • Trophy Icon jQuery
  • PHP
  • JavaScript
  • Node.js
  • Go
  • MySQL
  • HTML
  • CSS
  • Bootstrap
  • React

Hi, I'm Sean. A funkadelic coding monk, pragmatic full stack web developer, and former U.S. Marine. I specialize in the design, building, and monitoring of high scale web applications, and handle everything from the backend to the front end, including site design, and system admin. I have over 10 years working in the industry, and I understand my client's business needs. I'm fluent in Linux and work well with command line tools. I understand web security inside and out, and I've built and manage secure sites which get 20 million pageviews a day. I'm author of several Go, React, Javascript, and PHP open source projects. Viewable from my...

Romantsova A.
$30/hr
  • Trophy Icon jQuery
  • MySQL
  • Vue.js
  • PHP
  • HTML5
  • JavaScript
  • Java
  • React
  • WordPress
  • Android

Dear future client, I’m Anna, I have more then 6 years of web development experience. I'm a full stack web developer, proficient using: ✓ PHP ✓ CMS: WordPress, WordPress Multisite, ✓ Frameworks: Laravel, Codeigniter ✓ MySQL, MariaDB ✓ HTML5,CSS3 ✓ JavaScript (es5, es6), jQuery ✓ Vue.js, React.js ✓ Server Administration, Apache, Nginx ✓ Git, Webpack, Gulp, Composer ✓ API - Facebook, Twitter, Instagram, Pinterest, Tumblr

Leonid L.
$15/hr
  • Trophy Icon jQuery
  • MySQL Programming
  • WordPress
  • PHP
  • Python
  • JavaScript
  • MySQL
  • Vue.js
  • Laravel

I'm a web developer with 7 years of experience in the development of various projects My main skills are: construction and completion of websites on various framework and cms such as: Wordpress, Drupal, Django, Laravel, Vue and others. When working on a new project, I like to speak with my clients so that i can have understanding of their needs and vision of the project. And for me it is very important to respect deadlines

MD. A.
$18/hr
  • Trophy Icon jQuery
  • JavaScript
  • HTML
  • HTML5
  • CSS 3
  • CSS
  • WordPress
  • PHP
  • Twitter Bootstrap
  • PSD to HTML

I have been working as a TOP RATED freelancer for more than 5 years on this platform with an impressive reputation and reviews. My area of expertise is Web Development, especially working with WordPress themes and plugins. I love to use WordPress as a framework rather than a CMS. Here are some of my services: - 100% responsive mobile friendly websites design and development that look good in all devices and browsers. - Developing eCommerce sites using WooCommerce - Redesign existing website to give it more professional looks and make the performance much better - Migrating old sites (HTML/Joomla/WebFlow etc) to WordPress - Increasing...

Mikel A.
$18/hr
  • Trophy Icon jQuery
  • PHP
  • Yii
  • JavaScript
  • HTML5
  • CSS 3
  • Bootstrap
  • MySQL Programming
  • Git
  • Laravel

I'm PHP developer with huge experience behind. It's already about 11 years of developing great PHP projects. I have worked on dozens of projects over last years, ranging from full website development to small programming jobs like data migration scripts. Generally, I have experience in the following areas: Programming languages: - PHP - JavaScript Libraries and programming technologies: - Yii2 and Yii 1.x Frameworks, - Laravel - Magento (Zend Framework) - jQuery - Smarty - RabbitMQ - osCommerce Databases: - MySQL - PostgreSQL - SQLite I like challenging tasks, complex logic, processing big data and code optimizations.

Donald Q.
$45/hr
  • Trophy Icon jQuery
  • Adobe ColdFusion
  • JavaScript
  • jQuery Mobile
  • Java
  • Node.js
  • Database Programming
  • MySQL
  • SQL
  • Microsoft SQL Server Compact

Experienced developer specializing in ColdFusion with over 10 years of experience, starting with version 4.5 all the way to CF2021, including Railo and Lucee.

Frederic A.
$38/hr
  • Trophy Icon jQuery
  • Fabric.js
  • HTML5 Canvas
  • Laravel
  • Jest
  • Vue.js
  • JavaScript
  • AngularJS
  • React
  • Node.js
  • PHP
  • TypeScript

I have developed a wide range of applications and website tools using React, Redux, Vue JS, Gatsby, Angular, fabric js and HMTL5, Canvas. Developed many design tool Canvas Editors based on the library fabric js. Canvas design editor tools are developed using Fabric js which is integerated in different frameworks React / Angular / Vue / Vanilla JS. Also i have good experience in developing drag and drop canvas editor tools for workflow, flowchart, tree structure, connection diagram applications. Developed WEB and Mobile applications for clients via Upwork, eLance and Direct clients. 53fOXF

Michael T.
$125/hr
  • Trophy Icon jQuery
  • HTML5
  • CSS 3
  • JavaScript
  • Shopify
  • Shopify Templates
  • Adobe Illustrator
  • SCSS
  • CSS
  • Shopify Plus

Stanford educated Shopify Expert developer focused on theme customization and development, custom functionality, app integrations, store designs, and everything in between. I'm up to date on all modern web design trends and standards and can build you a site you are proud of. I'm a certified Shopify Plus Partner and Expert and can take your shop to the next level. Please message for details. Always looking for new partnerships and interesting projects!

Roman Y.
$60/hr
  • Trophy Icon jQuery
  • WordPress
  • Website Development
  • HTML
  • CSS
  • WooCommerce
  • PHP
  • JavaScript
  • HTML5
  • WordPress Theme
  • WordPress Development
  • Web Development
  • WordPress e-Commerce
  • WordPress Plugin

🏆 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 𝐅𝐫𝐞𝐞𝐥𝐚𝐧𝐜𝐞𝐫 Fluent English. Over 5 years of experience in Web development. Every day online. 100% success guarantee! I will have been doing my work until you are fully satisfied and happy. My skills in dev: ► Creating responsive Wordpress themes and websites ► Creating e-commerce Wordpress websites (Woocommerce/ Memberships/ Subscriptions) ► HTML5/CSS3/JavaScript/jQuery/Ajax/MySQL/PHP/Bootstrap/Gulp ► Wordpress visual builders (Gutenberg/Elementor/ Bakery/ Beaver Builder/ Thrive Architect/ Divi) ► Improve Google PageSpeed Insights result ► SSL certificate installation, SEO optimization, finding and fixing bugs....

Andrey V.
$40/hr
  • Trophy Icon jQuery
  • WordPress
  • HTML
  • CSS
  • PHP
  • HTML5
  • CSS 3
  • JavaScript
  • WordPress

Good day to you! I'm glad that you are visiting my profile! I'm the Front End Developer. I have about 7 years of experience in Web Development and Web Design. I'm specializing in CMS, mostly in WordPress and Shopify. I have solid HTML, CSS, PHP, JS/JQuery skills. I'm familiar with Adobe Photoshop, Zeplin, and Figma. I'm working with Git. My main goal is to make you satisfied and happy with my work. I'm a responsible and honest freelancer, I always meet deadlines. Feel free to contact me with any questions or proposals.

Fahad A.
$40/hr
  • Trophy Icon jQuery
  • HTML
  • Website Development
  • WordPress
  • Responsive Web Design
  • CSS
  • PHP
  • Web Design
  • CMS Development
  • Ecommerce Website
  • HTML5
  • MySQL
  • JavaScript
  • Landing Page
  • Web Development

Web designer and developer with a diverse portfolio of projects. Expertise in: ✅ Website Design & Development ✅ Custom Coding ✅ WordPress Customization and Back-end Development ✅ WooCommerce ✅ Javascript ✅ bootstrap ✅ Php ✅ MySQL #HTML/CSS ***100% satisfaction*** Some of the tasks I can help you with: ✅ Moving WordPress from one hosting company to another(including domain change if needed) ✅ Troubleshooting all kinds of WordPress errors(blank screen, incompatibility etc) ✅ Removing malware from WordPress, securing WordPress ✅ Converting your PSD design to a fully working WordPress theme ✅ Converting your HTML/CSS website to a WordPress...

Reymund John P.
$13/hr
  • Trophy Icon jQuery
  • Laravel
  • PHP
  • CSS 3
  • HTML5
  • Node.js
  • MySQL
  • JavaScript
  • Microsoft SQL Server
  • ASP.NET MVC
  • Data Entry
  • Data Scraping

A Data Entry Professional with the ability to work with minimum supervision, self-reliant, good team-player, hardworking, efficient, accurate and flexible. I am looking for a job which will utilize and further enhance my skills while I am helping on achieving the goals of my employer. My competencies include, data entry, computer troubleshooting software/hardware, research. I prefer doing a trial job first to show my potential clients what I can do, I would be the one to decline if I'm not confident enough that I can perform well. Thank you for viewing and looking forward on working with you.

Viktor M.
$33/hr
  • Trophy Icon jQuery
  • Ruby on Rails
  • Capistrano
  • RSpec
  • Cucumber
  • MySQL
  • MongoDB
  • HTML
  • CSS
  • AJAX

Hello and welcome to my profile! I'm a Ruby on Rails back-end programmer. I'm in love with this language and I'm very passionate when working. If you have an idea and need to implement it, then feel free to contact me and we'll discuss. I can build any product you want, either small Ruby script or complex Web application. My key skills are: Ruby on Rails MySQL, PostgreSQL, MongoDB jQuery underscore.js AJAX CSS HTML\HTML5 Twitter Bootstrap Zurb Foundation I'm skilled in test writing: Rspec, Cucumber, Capybara I am familiar with AWS deploy Heroku deploy Capistrano I have worked a lot with 3rd party API integration (social networks,...

Javanshir H.
$45/hr
  • Trophy Icon jQuery
  • WordPress
  • Android App Development
  • Vue.js
  • Laravel
  • Node.js
  • Nuxt.js
  • Git
  • NodeJS Framework
  • Web Scraping
  • Data Scraping
  • Data Extraction
  • Web Crawling
  • Web Development
  • Jira
  • Full-Stack Development

Developing What Your Brand Needs. Want a website? Or a mobile application? You are in the right place! ✅ Always trying to give the best outcome within the smallest time possible. 🧑‍💻 Keeping up with the newest technology 💻 Customers’ impressions are important 🙌 Only 5-Stars 🤩 Services Provided: • Senior Front-End Website Development Using Pure HTML, CSS and JavaScript. Need a Framework? No problem! Here are the frameworks which can be used: ‣ Bootstrap ‣ Tailwind CSS ‣ jQuery ‣ Chart.js ‣ Vue.js • Senior Back-End Website Development Using Pure PHP. Need a Framework? No problem! Here are the...

Justin T.
$50/hr
  • Trophy Icon jQuery
  • PHP
  • MySQL Programming
  • WordPress
  • JavaScript
  • Bootstrap
  • HTML5
  • CSS 3
  • LAMP Administration

I'm an expert PHP Full-Stack Developer with more than 9 years experience in creating high quality database-driven websites. I specialize in PHP, MySQL, WordPress, JavaScript, jQuery, Bootstrap, HTML, and CSS. I have never encountered a web development problem I couldn't solve and will always find a solution to your issue. I also have extensive experience in website administration and hosting, primarily in a Linux/Apache environment (Ubuntu and Red Hat), but also Windows Server with IIS, using SSH/RDP as well as web control panel interfaces like Cpanel and Plesk, and the all encompassing Amazon Web Services (AWS). I am interested in...

Jason S.
$225/hr
  • Trophy Icon jQuery
  • Salesforce CRM
  • Apex
  • Visualforce
  • HTML
  • JavaScript
  • PHP
  • MySQL
  • Marketing Strategy
  • Corporate Finance

I am a US-based consultant in the Southwest specializing in Salesforce.com development, administration and integration and was a Salesforce Developer World Championship Finalist. I currently hold 11 Salesforce.com certifications that can be verified via their certification verification tool online. I have also completed my MBA with UCLA Anderson focusing on marketing, finance and IT/operations management. I have over 10 years of salesforce.com development and architecture experience in advanced administration, cross-platform integration, web integration and workflow process design. I have also designed and built integrations between...

Rafael Jude M.
$13/hr
  • Trophy Icon jQuery
  • CSS
  • Elementor
  • Bootstrap
  • WordPress
  • JavaScript
  • Web Design
  • SCSS
  • PSD to HTML
  • HTML
  • Website
  • Git

I am a professional Front-End Developer with more than 7 years of experience in complex projects using HTML, CSS, JS (or jQuery), Bootstrap, Wordpress/Elementor, Adobe Photoshop/XD/Illustrator and Git commands. Skillset: - Convert Design to HTML/CSS/JS, - Create Wordpress website via Elementor plugin - Mirror landing pages - UI/UX Implementation - Photo Editing - Customize or Fix any Design errors Through hard work and passion I'm able to provide a high quality work and build a good lasting relationship with clients. If you think I might be a right fit for your project, feel free to contact me.

Pradeep G.
$50/hr
  • Trophy Icon jQuery
  • CodeIgniter
  • MySQL
  • Laravel
  • Web Development
  • WordPress
  • Git
  • Payment Gateway Integration
  • RESTful API
  • SOAP
  • JavaScript
  • PHP

"Pradeep is an excellent freelancer to work with. He is very knowledgeable and is very timely in his work. We will definitely continue to use him." "As always, Pradeep exceeds expectations. You may pay a little more with him but you get what you pay for. Excellent work." "Pradeep has top-notch skills and was an incredible asset to this project. I would hire him again at any time." "Pradeep has been nothing short of amazing. He's extremely responsive - always available to chat on Skype, listens to feedback and can adapt to changes quickly. It was an absolute pleasure working with him and will definitely contact him for anything in the...

Kapil P.
$25/hr
  • Trophy Icon jQuery
  • Node.js
  • ASP.NET MVC
  • C#
  • PHP
  • AngularJS
  • React
  • Microsoft SQL Server
  • ASP.NET Core
  • ASP.NET Web API
  • Microsoft SQL Server Programming
  • Authorize.Net
  • Cryptocurrency
  • PayPal
  • .NET Core

I am Experienced .Net developer and working on it since 13+ years. Over the last 13 years, I have developed a wide range of web and windows projects using node.js with express framework, ASP .NET Core 5.0/3.1/2.0, MVC 5/4/3/2, C# .NET, JQuery, MySQL, MS-SQL with DI design pattern, MVC Areas, DevExpress, NodeJs, ReactJs, Angular Js, MEAN/MERN etc. My core competency lies in complete end-to-end management of a new web or windows development project, and I am seeking opportunities to build projects from the ground up for you or your business. Roles & Responsibilities As a Project Manager - Requirement Elicitation: Finalizing & prioritizing the...

Tamas Peter I.
$50/hr
  • Trophy Icon jQuery
  • API Development
  • Zend
  • Bootstrap
  • PHP
  • Symfony
  • Git
  • React
  • Laravel
  • MySQL
  • Angular

👨‍💼 Individual developer 🚀 More than a decade of experience ✅ Well-tested code changes 🧹 Clean, scalable code As a full-stack developer, I have extensive experience in backend development and some practical frontend experience. My primary focus has been on Symfony, but also have years of Laravel and Zend experience. And worked with sites that were custom-built and didn't use any PHP frameworks. I enjoy working on long-term projects where I can get to know the code inside and out, and make a big difference!

Angrej K.
$30/hr
  • Trophy Icon jQuery
  • CodeIgniter
  • WordPress
  • PHP
  • AJAX
  • HTML
  • CSS 3
  • Facebook Development
  • AngularJS

To work as a successful Web Developer & Designer and contribute my best to my clients. Make long term relationship with them. Working proficiency: ● Efficient & Professional work ● Browser Compatibility ● Minimum page load time ● Code Formatting ● Proper comments ● Security Develop­ment: ● Wor­dpress » Create Plugins » Edit plugins » Template Designing » Edit admin panel » Create widgets » Create widgets area ● PHP » Object Oriented » Providing Admin Panel » Well versed with PHP frameworks like CodeIgniter, Laravel. » Can implement almost anything that is possible. UI/UX: ● PhotoShop ● HTML5 & CSS3 ● AngularJS, JQuery &...

Zoran S.
$50/hr
  • Trophy Icon jQuery
  • C#
  • SQL
  • Laravel
  • ASP.NET
  • Microsoft Access
  • Data Scraping
  • Bootstrap
  • MySQL Programming
  • MQTT

More than 10 years of experience in software development and embedded systems developing. Bachelor degree of High school of electrical engineering. Working with various Microsoft and PHP platforms and ATMEL micro controllers. Designing various systems for automation. Specialized in database based software and web applications written in C, Visual Basic, SQL, ASP, C# .Net, ASP.NET, Laravel, JavaScript, jQuery, Bootstrap. I am dedicated to details, very precise and always finishing my projects on time. Also, I am working a lot in MS Access, MS SQL, .NET, making all kinds of business software applications. Very often those apps are connected...

Artem Z.
$60/hr
  • Trophy Icon jQuery
  • PHP
  • Symfony
  • Laravel
  • AngularJS
  • React
  • Docker
  • Linux System Administration
  • HTML
  • SQL
  • Database Design
  • HTML5

I am an independent full-stack developer and passionate about building complex web platforms and SaaS solutions for my clients. With strong attention to detail, I provide comprehensive support throughout the entire development process. When working with me, you can expect: - Clean and up-to-date code according to modern language standards - Advanced DevOps skills, allowing me to secure and maintain your cloud infrastructure for production use - Clear and consistent communication, resulting in long-lasting client relationships and the successful completion of projects - Expertise in performance optimization and scalability to ensure your...

Anton O.
$45/hr
  • Trophy Icon jQuery
  • HTML5
  • Yii
  • Drupal
  • PHP
  • WordPress
  • JavaScript
  • Vue.js
  • Bootstrap
  • Magento

I provide high quality web development services for 10+ years and have over 15 years of experience in software development. No project failed, no client disappointed. Just getting things done by any means necessary. Clean structured code, high attention to details, streamlined user-friendly interfaces, creative ideas to make every project a perfection. All my clients benefit from free lifetime support and I am happy to share references for my previous projects with you.

$NaN/hr

How it works

1. Post a job (it’s free)

Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.

2. Talent comes to you

Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.

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Use Upwork to chat or video call, share files, and track project progress right from the app.

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How to Hire Top jQuery Developers

How to hire jQuery developers

Looking to add animations and Ajax (asynchronous JavaScript) interactions to your website? A jQuery developer can help.

So how do you hire jQuery developers? What follows are some tips for finding top jQuery consultants on Upwork.

How to shortlist jQuery professionals

As you’re browsing available jQuery consultants, it can be helpful to develop a shortlist of the professionals you may want to interview. You can screen profiles on criteria such as:

  • Technology fit. You want a jQuery developer who understands the libraries, frameworks, and other technologies behind your web project.
  • Project experience. Screen candidate profiles for specific skills and experience (e.g., using jQuery with Bootstrap to create responsive web pages).
  • Feedback. Check reviews from past clients for glowing testimonials or red flags that can tell you what it’s like to work with a particular jQuery developer.

How to write an effective jQuery job post

With a clear picture of your ideal jQuery developer in mind, it’s time to write that job post. Although you don’t need a full job description as you would when hiring an employee, aim to provide enough detail for a contractor to know if they’re the right fit for the project.

Job post title

Create a simple title that describes exactly what you’re looking for. The idea is to target the keywords that your ideal candidate is likely to type into a job search bar to find your project. Here are some sample jQuery developer job post titles:

  • jQuery developer needed for creating a responsive WordPress theme
  • Front-end developer with jQuery/HTML/CSS experience
  • Need help fixing jQuery issues for a simple WebRTC project

jQuery project description 

An effective jQuery job post should include:

  • Scope of work: From Ajax to animations, list all the deliverables you’ll need.
  • Project length: Your job post should indicate whether this is a smaller or larger project.
  • Background: If you prefer experience with certain industries, web technologies, or developer tools, mention this here.
  • Budget: Set a budget and note your preference for hourly rates vs. fixed-price contracts.

jQuery developer responsibilities

Here are some examples of jQuery developer job responsibilities:

  • Develop front-end web features
  • Translate UI/UX designs into front-end features
  • Write Ajax callbacks and manipulate the DOM using jQuery
  • Create responsive HTML web/email templates

jQuery developer requirements and qualifications

Be sure to include any requirements and qualifications you’re looking for in a jQuery developer, such as:

  • Web fundamentals HTML, CSS, and JavaScript
  • Working knowledge of Ajax and jQuery
  • RESTful web services

jQuery developers FAQ

What is jQuery?

jQuery is a JavaScript library that makes the DOM (Document Object Model) traversal and manipulation easier. With jQuery it’s possible to implement animations, event handling, responsive design, and Ajax with fewer lines of code than with vanilla JavaScript.

How much does it cost to hire a jQuery developer?

The first step to determining the cost to hire a jQuery developer will be to define your needs. Rates can vary due to many factors, including expertise and experience, location, and market conditions.

Cost factor #1: project scope

The first variable to consider when determining scope is the nature of the work that needs to be completed. Not all jQuery projects are created equal. Debugging a simple internal GUI will typically take less time than building a jQuery-powered application from scratch.

Tip: The more accurately your job description describes the scope of your project, the easier it will be for talent to give you accurate cost estimates and proposals.

Cost factor #2: jQuery development experience

Choosing the right level of expertise for the job is closely tied to how well you determined the scope of your project. You wouldn’t need an advanced jQuery developer to whip up a simple landing page UI for an information product. On the other hand, if your UI requires tricky DOM manipulation and animations, you’ll probably want to invest in an expert.

Beyond experience level, you need to consider the type of experience the talent possesses. The following table breaks down the rates of the typical types of jQuery developers you can find on Upwork.

Rates charged by jQuery developers on Upwork

Level of Experience Description Hourly Rate
Beginner Can use jQuery to build a simple webpage. Familiar with Ajax, JavaScript, HTML, and CSS. $20-30+
Intermediate Beyond jQuery, familiar with the larger JavaScript development ecosystem. Proficient in technology stacks such as MEAN (MongoDB, Express, Angular, Node.js). $30-60+
Expert Strong JavaScript programming skills. Experienced with tricky DOM manipulations, complex jQuery migrations, and custom builds. $60-90+

Cost factor #3: location

Location is another variable that can impact a jQuery developer’s rates. It’s no secret that you can leverage differences in purchasing power between countries to gain savings on talent. But it’s also important to factor in hidden costs such as language barriers, time zones, and the logistics of managing a remote team. The real advantage to sourcing talent remotely on Upwork is the ability to scan a global talent pool for the best possible person for the job. Location is no longer an obstacle.

Cost factor #4: independent contractor vs. agency

The final variable regarding talent cost is hiring an independent contractor vs. an agency. An agency is often a “one size fits all” model, so you’ll often have access to a designer, a project manager, an engineer, and more. When hiring individuals you have total autonomy regarding who is responsible for which part of the project, but you’ll need to source each of those skills separately.

The trade-off between hiring individuals vs. hiring an agency is the level of administrative overhead you incur personally in coordinating tasks among all members of the team. Project scope and personal preference will determine which style is a better fit for your needs.

Common jQuery developer mistakes

Disabling async when you don’t really need to: jQuery’s known for its support for Ajax, but there are times when you care about the order in which operations are executed in the browser. But while it might be tempting to disable async, this can actually slow down your application and potentially lock up the browser as it synchronously loads different parts of your code. A better way to manage how you want things executed is to use callbacks.

Writing spaghetti code: jQuery’s been around for a long time, and as a result it’s developed a bit of a reputation for spaghetti code. Infinite selector chains, overusing general-purpose functions instead of objects, and nondescriptive variable names all lead to a codebase that is difficult to understand and maintain. That’s why it’s important to document your code and adhere to proper formatting best practices to ensure future developers will be able to access and build off your work.

Redundant jQuery selectors: Every time you call $( this ) or $( ‘selector’ ) you ask jQuery to rescan the entire DOM for the matching element, wrap it in an object, and create a new instance in memory. The problems start happening when you repeat these selectors within a callback function or throughout a script, creating redundant instances of jQuery objects you already have. Do this too many times and your code can crash due to memory cascades.

Tips and best practices

Keep DOM manipulations to a minimum

Just because jQuery is good at DOM manipulation doesn’t mean you want to do it too often. Every time you manipulate the DOM directly, you trigger two things:

  • DOM reflow, which is the official term for when the browser needs to recalculate the position/size of your DOM elements across the entire page.
  • DOM repaint, the repainting of the skin (e.g., color, visibility) of DOM elements on the screen.

It takes time and resources to scan, reflow, and repaint an entire page for every little change. So only manipulate the DOM directly when you need to.

DRY (don’t repeat yourself)

If you find yourself writing the same code for the same action multiple times, chances are high you could probably refactor it into a leaner, more performant block of code. If you can use one event on multiple selectors by wrapping it in a var, do it. The DRY principle encourages readability, flexibility, testability, and efficiency when writing code.

Merge and minify

Before you push your code to production, make sure to merge and minify your script files. This reduces your file size and prevents browsers from having to make multiple HTTP requests to process all your scripts individually. The combined result can lead to an overall performance improvement.

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