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Freelance Frontend Javascript Developer Jobs in Newark, NJ

Sr. Frontend Developer

New York, NY · On-site

$113K - $132K/yr

Company Description Position: Sr. Frontend Developer Location: NYC, NY Duration: 6+ months SKILLS ... JQuery & JavaScript * HTML & CSS development (HTML5 and CSS3 preferred) * SASS experience * CSS ...

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 ...

Ruby on Rails developer

Jersey City, NJ

$107K - $146K/yr

... Front end/Javascript/HTML integration Knowledge of any one of the Javascript Frameworks like ... devops tools) Experience in other languages besides Ruby and JavaScript is desired A presence in ...

Front End Developer

New York, NY · On-site

$113K - $132K/yr

... Front End Developer (PHP + Backbone.js): Strong knowledge of data structures and algorithms ... Unit testing frameworks such as Mocha or Jasmine for JavaScript Familiar with Apache, nginx servers ...

Junior Front End Developer

New York, NY

$113K - $132K/yr

OPT and EAD can apply Heavy front end development experience - CSS, HTML, JavaScript We are not looking for designers, more so developers who want to focus their attention on front end development.

Front End Developer

New York, NY · On-site

$113K - $132K/yr

Develop front-end systems with JavaScript, AngularJS, Node.js, Bootstrap, Backbone, HTML5, CSS and MVC frameworks such as Ember, Dojo, etc. * Fulfills the role of developer for Web Application ...

Front End Developer

New York, NY

$113K - $132K/yr

What You'll Be Doing (Role/Responsibilities) Develop front-end systems with JavaScript, AngularJS ... Fulfills the role of developer for Web Application development and integration with complex ...

Front End Developer

Jersey City, NJ · On-site

$113K - $132K/yr

Responsibilities : • 6 - 9 years hands-on experience as front-end software engineer using modern JavaScript frameworks, especially Angular. • Experience developing micro Front End and strong ...

... Front End Developer, Senior Systems Engineer, or a related position. Must have five (5) years of ... Object Oriented JavaScript and modern JavaScript libraries including Closure; building applications ...

Front End Developer

Hoboken, NJ · On-site

$113K - $132K/yr

Develop an intuitive user interface for our platform using HTML, CSS, JavaScript * Python ... a Front End Developer * Experience working on AWS * Experience working with growth and product ...

Front End Developer

New York, NY

$113K - $132K/yr

We are currently seeking Front End Developers to work with our high energy UI team. Potential ... Deliver best-in-class HTML5/CSS3/JQuery and Object Oriented JavaScript front-end code for ...

Front End Developer

New York, NY · On-site

$113K - $132K/yr

We are currently seeking Front End Developers to work with our high energy UI team. Potential ... Deliver best-in-class HTML5/CSS3/JQuery and Object Oriented JavaScript front-end code for ...

AEM Front End Developer

Manhattan, NY · On-site

$114K - $133K/yr

... CSS, JavaScript, and relevant AEM frameworks. • Collaborate with UX/UI designers and backend developers to ensure seamless integration of front-end and back-end functionality. • Implement ...

Front end Developer

Manhattan, NY · On-site

$114K - $133K/yr

Front-End Developer Location: NYC, NY- 2 Days On-site Role Description Client is looking for a ... JavaScript, RXJS, ES6 - Redux/NGRX - Automated testing experience with Jasmine/Karma - An ...

AEM Frontend Developer

Manhattan, NY · On-site

$114K - $133K/yr

Write clean, well-documented, and maintainable code using HTML, CSS, JavaScript, and relevant AEM ... Collaborate with UX/UI designers and backend developers to ensure seamless integration of front-end ...

Senior Frontend Developer

Manhattan, NY · On-site

$126K - $166K/yr

Are you a Frontend Developer looking to improve your experiences? A global financial services ... Knowledge of JavaScript / TypeScript, HTML, CSS and SCSS/SASS. * Experience in UI component state ...

Showing results 21-40

Freelance Frontend Javascript Developer information

See Newark, NJ salary details

$44.4K

$115.5K

$162.6K

How much do freelance frontend javascript developer jobs pay per year?

As of Aug 19, 2026, the average yearly pay for freelance frontend javascript developer in Newark, NJ is $115,461.00, according to ZipRecruiter salary data. Most workers in this role earn between $108,800.00 and $126,500.00 per year, depending on experience, location, and employer.

What does a freelance frontend JavaScript developer do?

A Freelance Frontend JavaScript Developer creates and maintains the parts of websites and web applications that users interact with, using JavaScript along with HTML and CSS. They typically work independently, taking on projects for various clients rather than being employed by a single company. Their responsibilities include building responsive user interfaces, optimizing website performance, and ensuring cross-browser compatibility. Freelancers also communicate directly with clients to meet specific project requirements and deadlines.

What are the key skills and qualifications needed to thrive as a freelance frontend JavaScript developer?

To thrive as a Freelance Frontend Javascript Developer, you need strong proficiency in JavaScript, HTML, CSS, and a solid understanding of popular frameworks like React or Vue, typically demonstrated through a robust portfolio. Familiarity with version control systems like Git, responsive design principles, and task runners or bundlers such as Webpack is highly valuable. Excellent communication, time management, and problem-solving skills help freelancers effectively coordinate with clients and deliver projects independently. These skills and qualities are crucial for producing high-quality, maintainable code while meeting client expectations and deadlines in a competitive freelance market.

How do freelance frontend JavaScript developers typically manage client expectations and project timelines?

Freelance Frontend Javascript Developers often work with multiple clients, which requires clear communication to set realistic expectations and deadlines. They usually break projects into milestones, provide regular progress updates, and use project management tools to track deliverables. Managing client expectations involves being upfront about technical limitations, estimated completion times, and potential challenges. Strong organizational skills and proactive communication are essential for building trust and ensuring successful project delivery.

What is the difference between Freelance Frontend Javascript Developer vs Web Designer?

AspectFreelance Frontend Javascript DeveloperWeb Designer
SkillsProficient in JavaScript, HTML, CSS, frameworks like React or AngularDesign principles, UI/UX, graphic tools like Adobe Photoshop or Sketch
Work EnvironmentCode-focused, technical tasks, often collaborating with developers and clientsCreative, visual design, client presentations, branding
Common UsageBuilding interactive websites and web applicationsCreating website layouts, visual elements, and user interfaces

While both roles work on websites, Freelance Frontend Javascript Developers focus on coding and functionality, whereas Web Designers concentrate on visual design and user experience. Understanding these differences helps clients find the right expertise for their projects.

What cities near Newark, NJ are hiring for Freelance Frontend Javascript Developer jobs?

Cities near Newark, NJ with the most Freelance Frontend Javascript Developer job openings:

Sr. Frontend Developer

Stem Xpert

New York, NY • On-site

$113K - $132K/yr

Contractor

Re-posted 4 days ago


Job description

Company Description

Position: Sr. Frontend Developer

Location: NYC, NY

Duration:  6+ months

SKILLS & EXPERIENCE:

  • Have 5+ years of experience architecting and designing consumer focused based enterprise web applications
  • Strong knowledge of Java front-end technologies and frameworks
  • Excellent knowledge of HTML/CSS/Javascript, especially across all
  • Strong experiencing developing front end experiences across all devices especially mobile devices
  • Strong experience developing front end interfaces in a services oriented architecture
  • Excellent working knowledge of:
    • Front end application frameworks (e.g. backbone.js)
    • JQuery & JavaScript
    • HTML & CSS development (HTML5 and CSS3 preferred)
    • SASS experience
    • CSS Media Queries
  • Strong experience with UI data integration patterns, particularly AJAX and REST (JSON)
  • Solid Knowledge of HTML; HTML5, XHTML, HTML various modes and specifications, cross browser compatibility caveats, support and testing.
  • Knowledge of various HTML/HTML5 frameworks
  • Solid Knowledge of Web Styling using CSS3/CSS including knowledge of CSS frameworks e.g. SASS, LESS
  • Solid Knowledge of Client Side Web programming using JavaScript and Javascript MV* frameworks including

- jQuery, jQueryUI, jQuery Mobile.

- Experience in building jQuery Extensions is a plus
- MV* Libraries and frameworks: AngularJS, Ember-JS, Sencha/Sencha-Touch, KendoUI, Backbone, Spine, etc.

  • Browser Testing and Debugging Tools: e.g. Charles, FireBug, WebKit/Chrome/FireFox Developer, Extensions etc.
  • Javascript Unit Testing and Frameworks: e.g. qUnit, jqUnit, JsUnit
  • Performance testing and tuning of web application: performance analysis tools e.g. ySlow and PageSpeed
  • Be able to do hands on development to build out development prototypes and reference applications
  • Experience with agile and scrum methodologies
  • Experience working with Continuous Integration and Continuous Deployment
  • e-Commerce development (Content and Catalog Management, Search, Shopping Cart, Wish List, Checkout)
  • Familiar with development in conjunction with an enterprise CDN (Akamai)
  • Be a self-starter that is outcome driven
  • Able to take the lead and display initiative
  • Experience with mobile web app development frameworks, wrappers and build systems: e.g PhoneGap and AppCelerator
  • Experience in developing enterprise grade mobile application front end is a big plus. Android and iOS development experience is a plus

Skill and Role Summary:

Responsive design enhancements to client's current sites working with their in-house development and design team in a Scrum/agile fashion

RESPONSIBILITIES: 

  • Lead the mobile web and responsive design and development effort of UI / Web application architecture that is capable of supporting the latest mobile web development standards, frameworks and technologies
  • Help define mobile best practices from a front end standpoint
  • Help move existing code base to future friendly state
  • Ensure that all new projects are being designed and built with mobile as a core component
  • Lead the technical design and development of responsive web application that spans mobile, tablet, desktop and other digital form factor.
  • The Senior mobile developer / software engineer / web developer will be working on multiple projects and user interactions to mobile optimize existing ecommerce features as well as building out mobile optimized new site features/enhancements.
  • The Senior mobile developer will lead the technical design and build of Responsive web designs/applications with mobile-first/mobile-support best practices including caching, touch/gesture support and graceful degradation of design
  • The ideal candidate is someone who is passionate about beautiful interfaces, fluid UI, front-end web technologies, RESTful APIs
Additional Information



stem xpert logo

About stem xpert

Sourced by ZipRecruiter

STEM Xpert, based in Ann Arbor, MI, US, is a leading company in the Science, Technology, Engineering, and Mathematics (STEM) education industry. Since their establishment, they have made an indelible mark by providing innovative services and products designed to enhance STEM learning. Their service portfolio includes comprehensive educational programs, customized learning modules and interactive STEM kits. Driven by a passion for nurturing young minds, the company's mission is to bring about an educational renaissance in the STEM field, making learning not just theoretical but practical and fun. One notable achievement for STEM Xpert has been its success in reaching a broad spectrum of learners, from school-age to adults, contributing significantly towards empowering the community's technological and scientific literacy.

Industry

Recruiting and staffing services

Company size

51 - 200 Employees

Headquarters location

Ann Arbor, MI, US

Year founded

2012