React.js jobs in Pennsylvania

React Developer (React Dashboard Development - Design and Develop UI Screens)

Philadelphia, Pennsylvania

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Today

Job Title: Senior Frontend Engineer (React Dashboard Development - Design and Develop UI Screens) Location: Philadelphia, PA In Person Interview Duration: 12 Months Job Summary Work with the Product Owner, understand business requirements and design intuitive, data-rich dashboard interfaces for engineering metrics visualization. Be able to understand white-boarding designs (no Figma and similar tools) and translate that to UI designs and interactions following configurable color themes and inter

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Contract

Depends on Experience

Senior React Frontend Engineer

Philadelphia, Pennsylvania

•

Yesterday

About ISG International Solutions Group (ISG) An award-winning IT services company. Our company is based in Herndon, VA with offices in all major cities across the United States. We have been a trusted partner to some of the world s biggest companies for almost 22 years. At ISG we provide high-quality solutions in several areas of IT and build customized solutions for our clients. Here is our open requirement which can be filled immediately. Kindly respond to this requirement with your contact i

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Contract

Depends on Experience

Senior Frontend Engineer (React Dashboard Development - Design & Develop UI Screens)

Philadelphia, Pennsylvania

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Today

Key Responsibilities React Development: Build complex, responsive dashboard components using React.js, hooks, and modern JavaScriptData Visualization: Implement interactive charts and graphs using D3.js, Chart.js, or similar libraries that function well with React and responsive screens.Mobile Optimization: Develop Progressive Web App (PWA) features for mobile dashboard accessUI/UX Implementation: Translate designs into pixel-perfect, accessible user interfacesState Management: Implement efficie

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Contract

$45 - $50

Java Architect with React JS ::: 100% Remote

Remote

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Today

Java Architect (Fullstack) with React.js Remote FulltimeKey Skills - 15+ Years of experience with 5+ years as an Architect with Java Fullstack with React.js Job Description: Hands on enterprise level J2EE based web application development and support Hands on experience in Spring / Spring Boot / Cloud technologies Hands on Pivotal Cloud Foundry (PCF) environment Experience on Continuous integration and Continuous Development (CICD) process Hands on java backend developer, will be responsible for

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Full-time

Depends on Experience

React Developer (AG-Grid, D3 library) - W2 Position

Remote

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9d ago

Role: React/TyperScript Engineer with AG-Grid & D3 Exp: 10 Yrs Location: Remote Note: Financial services domain knowledge, AG-Grid and D3 library experience Description: Develop and maintain scalable React applications with TypeScript and modern state management (Redux, Zustand, Context API).Optimize rendering (SSR, SSG, CSR) for speed, SEO, and user experience.Design and develop front end using libraries like Ag Grid and charting libraries like D3Build reusable, high-performance UI components a

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Contract

Depends on Experience

React js Developer

Philadelphia, Pennsylvania

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Today

Hiring: W2 Candidates Only Visa: Open to any visa type with valid work authorization in the USA 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 wi

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Full-time, Part-time, Contract, Third Party

Lead developer (React/Angular)

Remote

•

Yesterday

Lead developer (React/Angular) 100% RemoteMust haves:10+ years of overall development experience3+ years of hands-on Lead experience in complex large domains (healthcare, financial)Strong background in both front-end and back-end application developmentExperience with cloud-native architectures (likely AWS)Hands-on experience with microservices architectureStrong understanding and use of modern front-end frameworks (React, Angular, JavaScript etc.)

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Contract

Up to $60

Senior .NET Full Stack Engineer / React / Hybrid

King of Prussia, Pennsylvania

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Today

A FinTech company based in PA that collaborates with banks and credit unions is urgently hiring a Senior Software Engineer. The company is dedicated to enhancing operational efficiency and providing cutting-edge technology solutions to financial institutions. The ideal candidate will have a strong background in C#, .NET 6+, React, API development, SQL, and cloud technologies. Experience with AI tools including Cursor and CodeRabitt is a plus. This role is hybrid 2 days per week near King of Prus

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Full-time

130k - 140k

Front End Engineer

Remote

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3d ago

Key ResponsibilitiesDesign, build, and maintain subscription-based features such as sign-up flows, seat upgrades, tiered access, and payment processing. Develop responsive and accessible UI components using React and TypeScript, including dashboards, modals, and multi-step onboarding forms. Implement and optimize GraphQL queries and mutations (using Apollo Client) to efficiently fetch and update subscription-related data. Integrate third-party APIs and internal services (e.g., billing, personali

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Contract

Depends on Experience

Senior React Developer

Remote or Atlanta, Georgia

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Today

RESPONSIBILITIES: Kforce has a client seeking a Senior React Developer to join their team. This individual will be supporting an initiative to combine and build applications/portals for the clients associates. The team is currently rewriting all of the backend with Node/GraphQL, migrating from PCF to Google Cloud Platform, and rewriting UI components in the latest version of React. Also, it would be ideal to have AI/LLM experience due to using AI and integrating API's to different models. The te

Contract

$40 - $50 hourly

React Developer :: Remote :: W2 Position Only

Remote

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2d ago

Role: React Developer Remote Key ResponsibilitiesDevelop new user-facing features using React.js.Build reusable components and front-end libraries for future use.Translate designs and wireframes into high-quality code.Optimize components for maximum performance across a vast array of web-capable devices and browsers.Collaborate with UX/UI designers, backend developers, and product managers to deliver seamless user experiences.Participate in code reviews, testing, and debugging.Stay up-to-date w

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Contract

Depends on Experience

C# Developer with ROR, ReactJS

Remote

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13d ago

Skills Required: C# , ReactJS and ROR Skills: - Mandatory skills 7+ years of experience with Ruby, C#, ReactJS5+ years of experience developing web-based software systems and applications2+ years of experience with both manual and automated testing/tools2+ years of experience working with version control concepts2+ years of experience working in agile practices and methodologiesDirect experience with performance monitoring and observability Preferred: Experience with Typescript, ReactFamiliarit

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Contract

Depends on Experience

Full Stack Engineer (GraphQL)

Remote

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2d ago

Required Skills: Backend: Node.js, Express.js Frontend: ReactJS, modern JavaScript (ES6+), TypeScript API Design: GraphQL (Apollo or similar), RESTProficiency in programming languages such as Java, Python, or JavaScript.Contract W2RemoteDirect client

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Contract

$70 - $80

Senior Ruby/React Developer (Remote Opportunity)

Remote

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24d ago

VetsEZ is seeking a Senior Full Stack Developer with expertise in React/Redux for the frontend and Ruby on Rails for the backend to support a Department of Veterans Affairs (VA) project. The ideal candidate will design, build, and maintain scalable applications by developing intuitive user interfaces and robust server-side logic. This role involves integrating APIs, optimizing performance, and ensuring compliance with software standards. The Senior Developer will also contribute to system planni

Full-time

$120,000 - $135,000

ROR developer with C# & React

Remote

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27d ago

Basic and Required Skills: Degree or equivalent and typically requires 4+ years of relevant experience Education Bachelor s in computer science, engineering or another STEM field or equivalent 4+ years of experience with Ruby, C#, Java, Python 4+ years of experience developing web-based software systems and applications 2+ years of experience with both manual and automated testing/tools 2+ years of experience working with version control concepts 2+ years of experience working in agile practices

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Contract

Depends on Experience

Golang Developer with React

Remote

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8d ago

Hi, I would like to share an excellent opening Contact Golang Developer with React do go through the details and kindly send me the updated resume. Location : Remote Type of Hire : Contract Mode of interview : WebEx / Teams Golang Developer React Thanks and Regards, Abrar Shaikh Ztek Consulting Inc Phone:

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Contract

Depends on Experience

AI/React Engineer

Remote

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2d ago

AI / React Developer Location: Remote (East Coast) Role: Seeking an AI-savvy React developer to build and enhance our logistics platform. This person uses AI tools like Claude Code, Cursor, Windsurf, and others to accelerate development, and is skilled at consuming and integrating APIs. Responsibilities: Build and maintain React.js front-end applications Integrate AI tools into development workflows and provide feedback on tools and provide suggestions Consume and connect APIs for various se

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Full-time

$115000

Blockchain Developer, Crypto

Remote

•

Today

Job Title: Developer, Crypto Expansion Location: Remote / USA Duration: 12 Months+ About the Team & Role As a Web Developer on the Crypto Team, you will be instrumental in expanding our footprint in Europe and shipping robust, user-friendly crypto experiences. What You ll Do Create high-quality, performant products that leverage technologies like React, TypeScript, and CSS-in-JS. Own and drive features from inception and design to implementation and launch, serving as the web expert on your team

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Contract

Depends on Experience

Senior Python Developer (React, FastAPI, Coding exp Must)

Remote

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Today

Position: Senior Python Developer (React and FastAPI) Location: Remote Duration: 6 Months Contract to Hire About R Systems: R Systems is a leading digital product engineering company that designs and develops chip-to-cloud software products, platforms, and digital experiences that empower its clients to achieve higher revenues and operational efficiency. Our product mindset and engineering capabilities in Cloud, Data, AI, and CX enable us to serve key players in the high-tech industry, inclu

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Contract

Depends on Experience

React.js Developer with Okta integrations in Azure

Remote or Montpelier, Vermont

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Today

Role: System Developer(React.js, Node.js, and Express.js and/or Next.js , SQL, Okta, ADO, Hipaa) Location: Vermont 100% remote from USA Duration: 6-12 months Our client is seeking an intermediate or Senior-level System Developer with React, Node, Express and SQL experience. Responsibilities: Expertise in refining requirements, technical documentation, and cross-team collaboration Required Skills: Expert in React.js, Node.js, and Express.js and/or Next,js Expert in Microsoft SQL Server and T-

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Contract, Third Party

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React.js jobs in Pennsylvania, USA