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React Js Developer Jobs in Philadelphia, PA (NOW HIRING)

innovitusa

React js Developer

Philadelphia, PA

$104K - $122K/yr

USC,L2EAD,H4EAD This position is only for W2 Candidates Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model Thorough understanding of React.js and its core ...

Anagh Technologies, Inc.

Sr. React Engineer

Philadelphia, PA · On-site

$131K - $163K/yr

Job Profile: Sr. ReactJS Developer Work Location: Remote until end of Year / West Chester, PA ... Develop all day, every day with a focus in React.js, redux other JavaScript frameworks Create code ...

Sarian, Inc.

.NET+ Java Developer

Pennington, NJ · On-site

$51.50 - $66.50/hr

Handlebar, AngularJS, VUE JS, React JS * Responsive web design and WebSphere application server experience helpful * JSON, JSONP, XML/XSL, Web-services * Fiddler, Firebug, Poster, IE Developer Tools ...

Arka Infotech Inc

Java Developer AngularJS

Wilmington, DE · On-site

$51 - $65.75/hr

Js Developer Location: Wilmington, DE Contract Length: 2 years F2F REQUIRED - LOCAL CANDIDATES ONLY Keys: Very strong AngularJS, Core Java, Spring, RESTful. Requirements: Extensive experience with ...

RIT Solutions, Inc.

Senior Frontend Engineer

Malvern, PA · On-site

$120K - $165K/yr

RIT Solutions, Inc. is seeking a Senior Frontend Engineer with strong UI expertise and hands-on experience in building modern, scalable applications using React.js, Preact, and JavaScript/TypeScript.

4STAFFING, INC.

.NET Developer

Malvern, PA · Remote

$47.25 - $62.50/hr

Software Engineer - Mid to Senior Level (C#/.NET)  Job Type: Full-Time US Citizens / Green card ... NET Core, React.JS, Kubernetes, and AWS. * Perform rigorous testing and maintenance of software ...

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All JobsReact Js Developer JobsReact Js Developer Jobs in Philadelphia, PA

React Js Developer information

See Philadelphia, PA salary details

$42.9K

$111.4K

$156.9K

How much do react js developer jobs pay per year?

As of Aug 29, 2026, the average yearly pay for react js developer in Philadelphia, PA is $111,416.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,900.00 and $122,100.00 per year, depending on experience, location, and employer.

What is a React JS developer?

A React JS Developer is a software engineer who specializes in building user interfaces and web applications using the React JavaScript library. They are responsible for developing reusable components, managing application state, and ensuring high-performance, responsive designs. React JS Developers often work closely with designers and backend developers to deliver seamless user experiences. Their expertise includes JavaScript, HTML, CSS, and modern front-end development tools.

What are the key skills and qualifications needed to thrive as a React JS developer?

To thrive as a React JS Developer, you need a strong grasp of JavaScript, HTML, CSS, and modern React concepts such as hooks, state management, and component lifecycle, typically supported by a degree in computer science or relevant experience. Familiarity with version control systems like Git, build tools such as Webpack or Babel, and testing frameworks like Jest is commonly required. Problem-solving, effective communication, and teamwork are crucial soft skills that distinguish successful developers in this role. These abilities ensure efficient development of scalable, maintainable applications and smooth collaboration within cross-functional development teams.

What are some common challenges faced by React JS developers when integrating with backend APIs?

React JS Developers often encounter challenges such as managing asynchronous data flows, handling errors gracefully, and ensuring smooth communication between the frontend and backend services. Debugging issues related to inconsistent API responses or cross-origin resource sharing (CORS) can also be common. Staying up-to-date with evolving RESTful or GraphQL API standards and ensuring secure authentication and data validation are essential for successful integration.

What is the difference between React Js Developer vs Front-End Developer?

AspectReact Js DeveloperFront-End Developer
Required SkillsProficiency in React.js, JavaScript, HTML, CSSHTML, CSS, JavaScript, frameworks like Angular or Vue
Work EnvironmentFocus on building user interfaces with ReactDeveloping and maintaining websites/apps across various frameworks
Industry UsageCommon in companies using React for UI developmentBroader role across multiple front-end technologies

React Js Developers specialize in building user interfaces using React.js, while Front-End Developers work across various frameworks and technologies to create complete website or app front-ends. React Js Developers focus more on React-specific skills, whereas Front-End Developers have a broader skill set applicable to multiple frameworks.

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

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

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

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

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

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

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

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

React Js Developer jobs near you
Infographic showing various React Js Developer job openings in Philadelphia, PA as of August 2026, with employment types broken down into 81% Full Time, 5% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $111,429 per year, or $53.6 per hour.

React js Developer

Philadelphia, PA

innovitusa
IT Services • 11 - 50 employees
Learn more about innovitusaexternal

$104K - $122K/yr

Contractor

Re-posted 17 days ago

Job description

W2 – Only

VISA : USC,L2EAD,H4EAD

This position is only for W2 Candidates

Job Description

Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model

 Thorough understanding of React.js and its core principles

 Experience with popular React.js workflows (such as Flux or Redux)

 Familiarity with newer specifications of ECMAScript

 Experience with data structure libraries (e.g., Immutable.js)

 Knowledge of isomorphic React is a plus

 Familiarity with RESTful APIs

 Knowledge of modern authorization mechanisms, such as JSON Web Token

 Familiarity with modern front-end build pipelines and tools

 Experience with common front-end development tools such as Babel, Webpack, NPM, etc.

 Ability to understand business requirements and translate them into technical requirements

 A knack for benchmarking and optimization

 Familiarity with code versioning tools {{such as Git, SVN, and Mercurial}}