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React Js Developer Jobs in Pennsylvania (NOW HIRING)

$81K - $94K/yr

The team is made up of enthusiastic and passionate developers, and the atmosphere is highly ... React \n * REST API experience highly desirable \n * Familiarity with Web Sockets \n * Experience ...

The ideal candidate will have a minimum of 8 years of professional experience as an UI Developer and experience in Java Backend +Node JS +AWS or Fullstack + Node JS + AWS kind of profiles. As a ...

Sr Engineer - UI

Pittsburgh, PA · On-site

$126K - $157K/yr

... Next.js / React.js / Vue.js / Angular.js * Extensive experience utilizing a RESTful API ... and engineering * Hands on experience with Playwright (or similar automation frameworks)

Software Engineer II

Pittsburgh, PA · On-site

$94K - $129K/yr

Software Engineer II Summary Do you have a passion for building market leading software solutions ... Proven expertise in frontend- (REACT JS) with 3D capabilities and backend (C#) technologies * Sound ...

Fullstack Developer Plano, TX AND Pittsburgh, PA Introduction We are actively seeking a highly ... js/Express/Fastify) for the backend. The ideal candidate will have hands-on experience with React ...

New

Software Engineer

Philadelphia, PA · On-site +1

$75K - $95K/yr

... DevOps. * Proficiency in C# and other .NET-based languages, with experience maintaining both legacy ... Solid understanding of front-end technologies including HTML, CSS, JavaScript, and React.JS, and ...

Angular UI Developer

Malvern, PA · On-site

$60 - $65/hr

Collaborate with UX designers and backend developers to deliver seamless user experiences ... Willingness to learn React and Stencil JS for future projects. Founded in 2010 and headquartered in ...

Engineer

Malvern, PA · On-site

$110K - $130K/yr

... and programming experience with ES5/ES6 Solid understanding of GitHub Experience with CI/CD ... using React.js and modern frontend frameworks. • Build reusable, modular, and scalable UI ...

Showing results 41-60

React Js Developer information

See Pennsylvania salary details

$42.6K

$110.7K

$155.9K

How much do react js developer jobs pay per year?

As of Aug 7, 2026, the average yearly pay for react js developer in Pennsylvania is $110,678.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,200.00 and $121,300.00 per year, depending on experience, location, and employer.

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 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 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 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 are the most commonly searched types of React Js Developer jobs in Pennsylvania? The most popular types of React Js Developer jobs in Pennsylvania are:
What are popular job titles related to React Js Developer jobs in Pennsylvania? For React Js Developer jobs in Pennsylvania, the most frequently searched job titles are:
What job categories do people searching React Js Developer jobs in Pennsylvania look for? The top searched job categories for React Js Developer jobs in Pennsylvania are:
What cities in Pennsylvania are hiring for React Js Developer jobs? Cities in Pennsylvania with the most React Js Developer job openings:
What are popular job titles related to React Js Developer jobs in PA? For React Js Developer jobs in PA, the most frequently searched job titles are:
Infographic showing various React Js Developer job openings in Pennsylvania as of August 2026, with employment types broken down into 77% Full Time, 8% Part Time, and 15% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $110,678 per year, or $53.2 per hour.

Software Engineer, TypeScript/React

T-Mobile

Philadelphia, PA • On-site

$93K - $168K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 8 days ago


T-Mobile rating

7.3

Company rating: 7.3 out of 10

Based on 646 frontline employees who took The Breakroom Quiz

58th of 97 rated telecommunications companies


Job description

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That's how we're UNSTOPPABLE for our employees!
Job Overview
We are looking for a passionate Front-End Engineer to develop UI solutions for our AdTech platform! You'll work on a team to build high-quality, performant and well-tested UI software using JavaScript, TypeScript and React. This software must comply with coding standards of the leadership team and maintain the quality and usability expectations of our clients.
Success is measured by the reliability, scalability, and maintainability of deployed software solutions. The work impacts organizational capabilities by enabling efficient, cloud-native software systems that support business functions.
Job Responsibilities:
  • Maintains and enhances frontend web solutions to ensure system reliability and performance
  • Write well-designed, well-tested UI code
  • Integrate with internal and external APIs
  • Work closely with the Product Owners and UI/UX Designers to create user-friendly workflows
  • Presents new ideas and frameworks to improve existing systems, processes, and services
  • Collaborates with team members to decompose features into user stories and provide accurate estimates
  • Also responsible for other duties/projects as assigned by business management as needed

Education and Work Experience:
  • Bachelor's Degree plus 2 years of related work experience
    OR combination of education and experience deemed equivalent (Required)
  • Acceptable areas of study include Computer Science, Engineering or a related field. (Preferred)
  • 2-4 years of web development experience using modern development languages and frameworks such as JavaScript, TypeScript, React (Required)

Knowledge, Skills and Abilities:
  • Proven work experience as a Front-End Engineer or Web Developer in a team environment (Required)
  • Experience writing JavaScript in a professional setting (TypeScript experience a bonus) (Required)
  • Experience using React.js to build applications (Redux experience a bonus) (Required)
  • Knowledge of current trends and best practices in the React ecosystem, and in UI development in general (Required)

  • At least 18 years of age
  • Legally authorized to work in the United States

Travel:
Travel Required (Yes/No): No
DOT Regulated:
DOT Regulated Position (Yes/No): No
Safety Sensitive Position (Yes/No): No
Base Pay Range: $93,300 - $168,200
Corporate Bonus Target: 15%
The pay range above is the general base pay range for a successful candidate in the role. The successful candidate's actual pay will be based on various factors, such as work location, qualifications, and experience, so the actual starting pay will vary within this range.
At T-Mobile, employees in regular, non-temporary roles are eligible for an annual bonus or periodic sales incentive or bonus, based on their role. Most Corporate employees are eligible for a year-end bonus based on company and/or individual performance and which is set at a percentage of the employee's eligible earnings in the prior year. Certain positions in Customer Care are eligible for monthly bonuses based on individual and/or team performance. To find the pay range for this role based on hiring location, https://paylookup.t-mobile.com/paylookup?reqID=REQ349848&paradox=1
At T-Mobile, our benefits exemplify the spirit of One Team, Together! A big part of how we care for one another is working to ensure our benefits evolve to meet the needs of our team members. Full and part-time employees have access to the same benefits when eligible. We cover all of the bases, offering medical, dental and vision insurance, a flexible spending account, 401(k), employee stock grants, employee stock purchase plan, paid time off and up to 12 paid holidays - which total about 4 weeks for new full-time employees and about 2.5 weeks for new part-time employees annually - paid parental and family leave, family building benefits, back-up care, enhanced family support, childcare subsidy, tuition assistance, college coaching, short- and long-term disability, voluntary AD&D coverage, voluntary accident coverage, voluntary life insurance, voluntary disability insurance, and voluntary long-term care insurance. We don't stop there - eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs! To learn about T-Mobile's amazing benefits, check out www.t-mobilebenefits.com.
Never stop growing!
As part of the T-Mobile team, you know the Un-carrier doesn't have a corporate ladder-it's more like a jungle gym of possibilities! We love helping our employees grow in their careers, because it's that shared drive to aim high that drives our business and our culture forward. By applying for this career opportunity, you're living our values while investing in your career growth-and we applaud it. You're unstoppable!
T-Mobile USA, Inc. is an Equal Opportunity Employer. All decisions concerning the employment relationship will be made without regard to age, race, ethnicity, color, religion, creed, sex, sexual orientation, gender identity or expression, national origin, religious affiliation, marital status, citizenship status, veteran status, the presence of any physical or mental disability, or any other status or characteristic protected by federal, state, or local law. Discrimination, retaliation or harassment based upon any of these factors is wholly inconsistent with how we do business and will not be tolerated.
Talent comes in all forms at the Un-carrier. If you are an individual with a disability and need reasonable accommodation at any point in the application or interview process, please let us know by emailing ApplicantAccommodation@t-mobile.com or calling 1-844-873-9500. Please note, this contact channel is not a means to apply for or inquire about a position and we are unable to respond to non-accommodation related requests.

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