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Check out a sample of the 8,997 JavaScript Developer jobs posted on Upwork

Single Splash page: HTML, CSS and JS help needed
New
Hourly ‐ Posted 5 minutes ago

Less than 30 hrs/week
Hours needed

Less than 1 month
Duration

Expert
Experience Level

Need help coding a captive portal splash page.... like you'd see if you attempt to use a restaurant wifi. Basic HTML and CSS with a sim…

JavaScript Responsive Design Business with 1-9 Employees Jobs HTML CSS JavaScript Jobs Landing Page HTML5 CSS 3
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Build an Automatic Appointment Booking System
New
Fixed-price ‐ Posted 8 minutes ago

$100
Fixed Price

Expert
Experience Level

Appointment slots are allotted every day for filling passport form district wise and we use to fill the form and we are not able to fil…

JavaScript Automation Machine Learning JobsJavaScript Jobs Web Development
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Shopify developer
New
Hourly ‐ Posted 19 minutes ago

30+ hrs/week
Hours needed

More than 6 months
Duration

Intermediate
Experience Level

We work with a lot of different clients in the US and there is opportunity to work on a lot of different projects every month. We are s…

JavaScript Liquid Jobs Node.js Shopify Shopify Templates HTML CSS JavaScript Jobs Shopify Theme Ecommerce Platform Development
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Less than 30 hrs/week
Hours needed

Less than 1 month
Duration

Intermediate
Experience Level

Enable/disable a specific webpage based on time of the day/week. This should happen automatically. It should activate at 9am -6pm Monda…

JavaScript JavaScript Jobs PHP Squarespace HTML
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Automated functional Testing on Webapplication
New
Hourly ‐ Posted 26 minutes ago

Less than 30 hrs/week
Hours needed

3 to 6 months
Duration

Expert
Experience Level

For our SaaS Web Application, we are looking for a senior automated testing expert. We are looking for a consultant with 5+ years of ex…

JavaScript PHP Web Testing Automated Testing Selenium JavaScript Jobs Python
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not_sure
Hours needed

3 to 6 months
Duration

Expert
Experience Level

We have offices in different countries. We need to create different WordPress websites for our differnt businesses. No idea where to st…

JavaScript WordPress Web Design Jobs Web Development HTML5 CSS 3 Graphic Design JobsJavaScript Jobs PHP jQuery WooCommerce
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Want joomla developer
New
Hourly ‐ Posted 15 minutes ago

Less than 30 hrs/week
Hours needed

Less than 1 month
Duration

Expert
Experience Level

( i have ONE page website. i need make this page be friendly for mobiles phones view. Thankyou )

JavaScript Joomla PHP MySQL Web Development JavaScript Jobs CSS HTML Website
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CUSTOM CODE: Multiple Variant Images for Shopify + Colors
New
Fixed-price ‐ Posted 19 minutes ago

$40
Fixed Price

Intermediate
Experience Level

Hello. I need somebody that can resolve these 2 requests for me: 1) I need to be able to add multiple images to product variants. For…

JavaScript Liquid JobsProgramming Bug Fix Jobs Shopify Web Development Shopify Theme JavaScript JobsWeb Design Jobs CSS HTML
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ArcGIS Developer
New
Hourly ‐ Posted 25 minutes ago

30+ hrs/week
Hours needed

3 to 6 months
Duration

Expert
Experience Level

Clear Measure is an expert software architecture firm that helps improve our customer's performance. We build and integrate the softwa…

JavaScript Web Application API Integration .NET Framework Business with 10-99 Employees Jobs React ArcGIS GIS JavaScript Jobs Python HTML
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$300
Fixed Price

Expert
Experience Level

We are building an Electron App for Mac and are currently capturing the microphone audio via the Web APIs from the Renderer Process. We…

JavaScript Application Improvement Jobs Desktop Application Mac OS App Development Electron macOS JavaScript Jobs C++
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JavaScript Developers on Upwork
can earn $15–$35/hr.
Learn more below about how you can earn a career on the world’s work marketplace.
JavaScript Developer average prices bell curve

$15 $35

Median hourly rates (USD)

How to Become a JavaScript Developer

If you want to work in software development and become a web developer, then you may wonder if it’s a good idea to learn JavaScript. JavaScript is the most popular programming language in the world. It’s also a beginner-friendly language that already comes installed on every modern web browser, so you don’t need to set up anything.

Want to become a JavaScript developer? From the education level and certifications to skills, responsibilities, and hourly rates, we discuss it all so you can make the best decision for your future.

What does a JavaScript developer do?

JavaScript developers are technical professionals who use the JavaScript programming language to develop and implement websites while connecting with the services running on the back end. They may find themselves juggling different programming duties depending on the project requirements.

The main focus of JavaScript developers, however, is usually the user experience and interface of web pages, creating modern and interactive layouts from designs along with other front-end developers, and ensuring the technical feasibility of UI/UX designs.

What skills do I need to become a Javascript Developer?

The following qualities and skills are needed to excel in this career:

  • Strong knowledge and experience with web apps and programming languages, such as Java, HTML, Python, CSS, JavaScript, APIs, as well as JavaScript frameworks, such as jQuery
  • Knowledge and experience in JavaScript libraries and frameworks, like Angular 7+, React, and VUE
  • Experience in software development projects and coordinating with a different development team
  • Experience building cross-browser user interfaces and client-side implementation of RESTful API
  • Basic knowledge of usability, user experience (UX) design, modern web development standards, and search engine optimization (SEO) best practices
  • Experience with back-end development using Node.js
  • Familiarity with code versioning tools, such as GitHub
  • Familiarity with Agile methodologies
  • Understanding of fundamental design principles behind a scalable application
  • Keeping skills sharp with continual learning
  • An inquisitive mind and demonstrable examples of implementing proactive solutions
  • Excellent communication and interpersonal skills, including when working with remote team members and with clients

What are the core JavaScript developer job responsibilities?

JavaScript development is one of the major IT job profiles that professionals can explore. Key responsibilities of a JavaScript developer include:

Some of the main Magento developer job responsibilities are:

  • Optimize components for maximum performance across a vast array of web-capable devices and browsers
  • Manage the software development lifecycle, and fix issues like syntax and logical errors
  • Develop and direct software system validation and testing methods
  • Work closely with stakeholders, clients, and cross-functional departments to communicate project status and proposals
  • Continuously monitor application reliability, debug JavaScript code and web applications, and optimize performance
  • Build software applications following coding standards, as well as build appropriate unit tests, integration tests, and deployment scripts
  • Deploy projects and support dev-ops process to deploy projects in different environments
  • Create database schemas that represent and support business processes

Should I get a JavaScript developer degree or certification?

Many employers prefer prospective JavaScript developers to have a bachelor's degree in a technical field. But there are job listings that do not require a degree, and some positions just a certification from an online course or bootcamp.

That being said, JavaScript developers can benefit from several types of education or certifications to help position themselves more prominently on Upwork:

  • A bachelor's or master's degree in computer science, web development, computer programming, or equivalent
  • Certifications like Learn JavaScript by W3Schools, CIW JavaScript Specialist course, and JavaScript certification by International JavaScript Institute
  • Online YouTube and LinkedIn tutorials for programmers, such as Learn JavaScript (full course for beginners), JavaScript Programming, and JavaScript Code Challenges

Getting your freelance career rolling as a JavaScript developer can be difficult. But, with these additional resources, you can jumpstart your freelance career on the Upwork job market, and you can even land your first job opportunity in no time:

Upwork is not affiliated with and does not sponsor or endorse any of the tools or services discussed in this section. These tools and services are provided only as potential options, and each reader and company should take the time needed to adequately analyze and determine the tools or services that would best fit their specific needs and situation.

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