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Javascript Developer Jobs in New Jersey (NOW HIRING)

Programmers.io

React Developer

Whippany, NJ · On-site

$50.25 - $65.25/hr

React JS Developer Desirable Skills: Keyword: Skills: Digital : ReactJS~Foundation ... JavaScript Experience Required: 6-8

Scout ET

Front-End developer.

Pennington, NJ

$105K - $122K/yr

Title: Front-End developer. Location: Pennington, NJ Duration: 1 year Contract Looking for someone ... Adept in writing reusable, testable, and efficient JavaScript code * Comfortable in implementing ...

Saxon Global

Front end developer

Paterson, NJ

$105K - $123K/yr

I have an urgent need for a Front End Developer on W2 in Pennington NJ. Can use non locals, phone ... HTML CSS JavaScript Responsive Web Design Angular 1.x .NET ADA / web accessibility The person doesn ...

Jobsbridge

Web Developer

Newark, NJ

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. 3+ years of experience programming in JavaScript, HTML, CSS and cross ...

Jobsbridge

Angular JS Developer

Jersey City, NJ

$57.25 - $70/hr

Ability to analyze business requirements and implementing sound engineering solutions that meet ... JavaScript, HTML5, CSS3, AJAX AngularJS Development Javascript build tools (Grunt/Gulp, Bower, Npm ...

MM International

Angular Developer

Jersey City, NJ · On-site

$57.25 - $70/hr

ANGULAR JAVASCRIPT NODE Bootstrap About the Role: We are seeking a Senior Full Stack Angular Developer to join a high-impact initiative within the Risk, Compliance, and Controls space. This is a ...

ACI Infotech

Sr Python Developer

Jersey City, NJ · On-site

$126K - $170K/yr

Python Developer 10+ Years exp with Very Strong Python Coding is needed Responsibilities ... Write clean and scalable code in Python (back end API for front end) and JavaScript (for front end ...

Droisys

Java Developer

Princeton, NJ

$53.50 - $69.25/hr

Java Developer Location: Princeton, NJ Duration: 7+ months Start: ASAP Interview: Skype/ Phone ... Phonegap/Cordova working knowledge, with Javascript/HTML5 focus. b. Understand how to write HTML5 ...

ConsultAdd, Inc.

Web developer

Jersey City, NJ · On-site

... JavaScript Basic GIT - clone, commit, push We are looking for an Associate Web Developer who is passionate about building new web and mobile software products using cutting edge open source ...

Anagh Technologies, Inc.

Senior React Developer

Newark, NJ · On-site

$120K - $157K/yr

Senior React Engineer with ReactFlow Senior React Engineer will help to iteratively build a new Web ... Solid Javascript development skills is must * Experience with CSS a must * Experience with ...

ACI Infotech

Sr Java Developer / Lead

Somerset, NJ · On-site

... JavaScript, React JS/Angular JS, and JavaScript (Svelte) • Experience of Azure and AWS ... various engineering teams to build, deploy, and monitor services • Implement industry coding ...

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See New Jersey salary details

$29.9K

$108.2K

$171.6K

How much do javascript developer jobs pay per year?

As of Jun 10, 2026, the average yearly pay for javascript developer in New Jersey is $108,207.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,000.00 and $130,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a JavaScript Developer, and why are they important?

To thrive as a JavaScript Developer, you need strong proficiency in JavaScript, HTML, CSS, and a solid understanding of web development principles, often backed by a degree in computer science or comparable experience. Familiarity with frameworks like React or Angular, version control systems like Git, and build tools such as Webpack is typically required. Problem-solving, attention to detail, and effective communication are crucial soft skills for collaborating on projects and resolving technical challenges. These skills and qualities ensure the delivery of robust, maintainable, and efficient web applications that meet user and business needs.

What Does a JavaScript Developer Do?

As a JavaScript developer, your main responsibilities are to code functional web applications using the JavaScript (JS) programming language and to patch and update application code as needed to optimize functionality. You program front-end code for web applications, collaborate with back-end developers, and use tools like integrated development environments (IDEs), Git, and browser dev tools.

What is the difference between Javascript Developer vs Front-End Developer?

AspectJavascript DeveloperFront-End Developer
Primary FocusWriting and optimizing JavaScript codeDesigning and implementing user interfaces
Required SkillsJavaScript, HTML, CSS, frameworks like React or AngularHTML, CSS, JavaScript, UI/UX design
Work EnvironmentWeb development teams, software companiesWeb design agencies, tech firms, startups

Javascript Developers focus on coding and scripting using JavaScript, while Front-End Developers handle the overall design and user experience of websites. Both roles often overlap, but the Javascript Developer specializes in scripting, whereas the Front-End Developer emphasizes UI/UX design and layout.

What does a JavaScript Developer do?

A JavaScript Developer is responsible for designing, developing, and maintaining web applications using the JavaScript programming language. They typically work on both the front-end (user interface) and sometimes the back-end (server-side) of web projects, creating interactive features, optimizing performance, and ensuring cross-browser compatibility. Their role often involves collaborating with designers and other developers to deliver a seamless user experience.

What are some common challenges faced by JavaScript Developers when working on large-scale applications?

JavaScript Developers working on large-scale applications often encounter challenges such as maintaining code readability, managing dependencies, and ensuring performance optimization. As projects grow, it becomes essential to implement best practices like modularization, code reviews, and thorough testing to prevent bugs and technical debt. Collaboration with backend developers, designers, and QA testers is frequent, requiring clear communication and an agile mindset to deliver features efficiently and address issues as they arise.
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Javascript Developer jobs near you
React.js / Svelte Engineer - Remote Job

React.js / Svelte Engineer - Remote Job

EnthuZiastic

New Brunswick, NJ • Remote

Full-time

Posted 19 days ago

Job description

About Us

Our mission is to bring people together and connect them into a community to nurture each other. We aim to share a conducive environment, a joyous space to grow and excel; a world brimming with selfless love and enough kindness. We strive to enrich each of our lives with kaleidoscopic memories we make here - vibrant, lively, of all hues and colors.

Job Description

This is a remote position.

We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.

Responsibilities:

  • Developing new user-facing features using React.js

  • Building reusable components and front-end libraries for future use

  • Translating designs and wireframes into high quality code

  • Optimizing components for maximum performance across a vast array of web-capable devices and browsers

Our Tech Stack:

  • Svelte.js

  • React.js

  • Jest.js (Testing)

  • Tailwind

  • Typescript

  • GraphQL

  • Flutter

  • Terraform

  • Elixir / Node.js

  • AWS / Azure Cloud

Requirements

  • 2+ years of experience in React / Angular / Web Frameworks, Jest (unit testing).

  • Having GraphQL experience is a big plus.

  • Having Svelte experience is a big plus.

  • An excellent team player.

  • Constantly thinking about improving the current code, usability, user experience. Having laser focus on making the app super amazing and helping the team and company succeed.

  • Excellent communication and interpersonal skills. In the new world of work from home, we expect the ideal candidate to over-communicate.

  • Humility, collaboration, time management, and communication are as important as your technical skills.

  • Analytical thinker with exceptional problem-solving skills.

  • Excited about writing quality code, trying new technologies, and playing well with others.

  • Solid understanding of engineering and design best practices, especially as it relates to scaling high traffic and data heavy applications.

  • Previous experience with designing, building, and scaling an application to support load changes related to growth.

  • Comfortable in dealing with complexity, lots of moving pieces, coordinating with third parties, and cross-functional teams.

  • Exquisite attention to detail, ability to identify and solve edge-cases.

  • Comfortable learning new technologies and systems.

Do Not Apply If:

  • If you haven’t used Git yet.

  • You are not comfortable with startups that move fast! We’re a small group (~40) of passionate individuals who are determined to change the status quo!

Benefits

  • Opportunity to be a part of a dynamic growth focused tech startup

  • Great learning opportunities to develop new skills and understanding of cutting edge software tools and processes

  • Opportunity to work closely with serial tech entrepreneurs from Silicon Valley

  • Fun-loving environment and caring team mates and inclusive culture of the company

Apply