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Javascript Developer Jobs in Philadelphia, PA (NOW HIRING)

Esri

Application Developer - JavaScript

Philadelphia, PA · On-site

$83K - $141K/yr

Evolve coding and development skills by staying current with JavaScript, TypeScript, complementary programming languages, development practices, coding tools, and user interface design techniques ...

LiniumIT

Angular Developer

Philadelphia, PA · On-site

$55.25 - $67.50/hr

Our client, a premier consulting company, is seeking an Angular / JavaScript Developer to join their growing IT team in Philadelphia, PA. The developer will work with a team of 3-4 other developers ...

LiniumIT

Angular Developer

Philadelphia, PA · On-site

$55.25 - $67.50/hr

Our client, a premier consulting company, is seeking an Angular / JavaScript Developer to join their growing IT team in Philadelphia, PA. The developer will work with a team of 3-4 other developers ...

Varsity Tutors

JavaScript Tutor

Chester, PA · Remote

$18 - $40/hr

Deep knowledge of JavaScript syntax, DOM manipulation, event handling, asynchronous programming with promises and async/await, ES6+ features, closures, prototypal inheritance, fetch API, and popular ...

Varsity Tutors

JavaScript Tutor

Trenton, NJ · Remote

$18 - $40/hr

Deep knowledge of JavaScript syntax, DOM manipulation, event handling, asynchronous programming with promises and async/await, ES6+ features, closures, prototypal inheritance, fetch API, and popular ...

krg technology inc

Net Developer

Philadelphia, PA

$48.75 - $64.25/hr

... JavaScript) Knowledge and practical experience with MVC Knowledge and practical experience with ... Collaborate with other developers on tasks related to back-end integration. Collaborate with user ...

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All JobsJavascript Developer JobsJavascript Developer Jobs in Philadelphia, PA

Javascript Developer information

See Philadelphia, PA salary details

$29.8K

$107.6K

$170.5K

How much do javascript developer jobs pay per year?

As of Sep 4, 2026, the average yearly pay for javascript developer in Philadelphia, PA is $107,552.00, according to ZipRecruiter salary data. Most workers in this role earn between $66,600.00 and $129,200.00 per year, depending on experience, location, and employer.

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 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 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 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.

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.

Is JavaScript in high demand?

JavaScript is a highly in-demand skill for developers, especially those working on web development, front-end frameworks, and full-stack projects. Its widespread use in building interactive websites and applications ensures strong job opportunities for JavaScript developers across various industries.
More about Javascript Developer jobs

What are the most commonly searched types of Javascript Developer jobs in Philadelphia, PA?

The most popular types of Javascript Developer jobs in Philadelphia, PA are:

What are popular job titles related to Javascript Developer jobs in Philadelphia, PA?

For Javascript Developer jobs in Philadelphia, PA, the most frequently searched job titles are:

What job categories do people searching Javascript Developer jobs in Philadelphia, PA look for?

The top searched job categories for Javascript Developer jobs in Philadelphia, PA are:

What cities near Philadelphia, PA are hiring for Javascript Developer jobs?

Cities near Philadelphia, PA with the most Javascript Developer job openings:

Javascript Developer jobs near you
Infographic showing various Javascript Developer job openings in Philadelphia, PA as of August 2026, with employment types broken down into 72% Full Time, and 28% Contract. Highlights an 67% In-person, and 33% Remote job distribution, with an average salary of $107,552 per year, or $51.7 per hour.

JavaScript Developer (mid) (Remote)

Hinted Company

Wilmington, DE • Remote

Contractor

Re-posted 28 days ago

Job description

HintEd is a cutting-edge Digital Adoption Platform that helps companies increase productivity by streamlining employee training and user onboarding for enterprise software. 

As a winner of the Start-Up Chile Program and holder of several global awards as the best HR Tech Solution, HintEd offers on-screen tutorials that guide users step-by-step through tasks within the web and/or Windows applications. Our platform adds a training and support layer on top of these applications, enabling enterprises to engage their employees and deliver just-in-time in-application guidance.
Join our team at HintEd and be a part of revolutionizing the way companies approach employee training and onboarding.

We are seeking a talented Middle JavaScript Developer to join our team. The ideal candidate will have experience with our tech stack, including HTML 5, CSS3, Javascript/Typescript, vue.js, Git, and Webpack/Vite. In this role, you will be responsible for developing and maintaining web applications and collaborating with our team to improve our development processes.

You might be invited to attend a technical interview. For more information and to help you prepare, you can use this link: https://dashboard.aiply.ai/position/e53ebd84-f783-410a-b85a-bd9c9d6fcdd6

Key Responsibilities:

  • Develop and maintain web applications using HTML 5, CSS3, Javascript/Typescript, vue.js, Git, and Webpack/Vite
  • Collaborate with the team to improve development processes and implement best practices
  • Troubleshoot and debug issues as they arise
  • Ensure code quality through automated testing
  • Keep up-to-date with new technologies and trends in web development


Requirements:

  • Strong experience with HTML 5, CSS3, Javascript/Typescript, vue.js, Git, and Webpack/Vite
  • Understanding of extensions for Google Chrome and requirements for Manifest 2/3
  • Experience in testing with a focus on automated end-to-end quality
  • Strong problem-solving and debugging skills
  • Good communication and collaboration skills


If you meet the above requirements and are excited about the opportunity to work on cutting-edge technology and projects, we encourage you to apply. We are looking forward to hearing from you!


Employment Type: CONTRACTOR

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