React.js jobs in Illinois

Remote

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Today

Role: ReactJS Developer with Healthcare exp Location: Remote Duration : Long term Job Description:- Develop and implement UIs: Build user-facing features and components using React.js, and create reusable front-end libraries. Translate designs to code: Convert designs and wireframes into high-quality, functional code. Optimize for performance: Ensure components are optimized for maximum performance across various browsers and devices. Collaborate with teams: Work with designers, backend develope

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Contract

Depends on Experience

Senior Front-End Developer (Next.js / React / BigCommerce Catalyst)

Remote

•

Today

Senior Front-End Developer (Next.js / React / BigCommerce Catalyst) Remote Rate: DOE What You ll Do Lead front-end development for BigCommerce Catalyst websites using Next.js and React.Build, optimize, and maintain responsive, SEO-friendly, high-performance pages and components.Integrate APIs and CMS content while ensuring code scalability and maintainability.Improve Core Web Vitals, optimize builds, and streamline deployments via Vercel.Collaborate through Jira for project tracking and sprint

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Contract

Depends on Experience

.NET Developer || 100% Remote || NO - H1B

Remote

•

Today

USC Job Title: .NET Developer Client: Healthcare Location: Dublin, Ohio 43017 (100% Remote) Type: Contract | 40 Hrs/Week Job Summary: We are seeking a skilled and motivated .NET Developer with strong expertise in Angular 14, React.js to join our dynamic team. The ideal candidate will design, develop, and maintain scalable web applications, leveraging .NET Core/ for backend and React.js for frontend development. This role requires close collaboration with cross-functional teams and hands-on exp

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Contract

$55 - $60

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

Remote

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20d 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

JAVA REACT LEAD Developer

Illinois City, Illinois

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11d ago

Job Role: JAVA REACT LEAD(W2 only)Location: Moline, IL (Locals only)Duration: Long TermSkills: JAVA REACTJs, AWS, Dynamo DB, TDD Job Responsibility: Responsible for supporting and enhancing a cloud-based web application, maintaining and improving ReactJS-based micro frontends, integrating with a robust Java Spring Boot microservice architecture, and ensuring scalable data operations using DynamoDB. The role involves close collaboration with cross-functional teams to deliver high-quality, perform

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Contract

$60 - $70

Senior / Staff Product Engineer / Java / Python / AI / React

Chicago, Illinois

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Today

A software company that leverages AI-powered solutions to optimize customer experience is hiring for Senior and Staff Full Stack Product Engineers. They focus on optimized IVR navigation and real-time customer-agent interactions through AI and machine learning. This is a full-time position with a flexible 3-day in-person hybrid schedule. Interested in a dynamic start-up environment? This position is perfect for a product-minded and strategic individual that thrives in a highly collaborative, cro

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Full-time

140k - 200k

Sr. Java Front End Developer with React.JS Exp. @ Chicago, IL.

Chicago, Illinois

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6d ago

About US: LTIMindtree is a global technology consulting and digital solutions company that enables enterprises across industries to reimagine business models, accelerate innovation, and maximize growth by harnessing digital technologies. As a digital transformation partner to more than 700+ clients, LTIMindtree brings extensive domain and technology expertise to help drive superior competitive differentiation, customer experiences, and business outcomes in a converging world. Powered by nearly 9

Full-time

$98,015 - $146,600

React Software Engineer

Chicago, Illinois

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Today

React Software Engineer Salary Range: $115,000 - $135,000 annually We are seeking a Mid-Level React Software Engineer to join our dynamic UI/UX development team. In this role, you will collaborate closely with business stakeholders and designers to develop intuitive and high-performance user interfaces for their cutting-edge, web-based financial technology products. This is a full-time, salaried position based at our downtown Chicago office, reporting directly to the Head of UI/UX Design. As a

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Full-time

USD 115,000.00 - 135,000.00 per year

ReacJs Developer

Chicago, Illinois

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5d ago

ReactJs Developer Chicago IL 12+ Months Job Description: Key Responsibilities - Develop and maintain scalable UI components using React and TypeScript - Implement Module Federation for micro-frontend architecture - Integrate and extend Backstage plugins and components - Collaborate with backend, DevOps, and product teams to deliver cohesive solutions - Write clean, maintainable, and well-tested code - Participate in code reviews and architecture discussions Required Skills 8 years of experience

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Contract, Third Party

Depends on Experience

Opening for Frontend Software Engineer - Moline, IL(Onsite)

Moline, Illinois

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Today

We have an opening for Frontend Software Engineer Location - Moline, IL(Onsite) Full Time-Permanent-Hourly - Must be onsite at client facility in Moline, IL, from day one, and as needed. Required Skills ReactJS and TypeScript: building modular UI components and managing state in micro frontend architecture Micro Frontends: designing and integrating independently deployable frontend modules Java Spring Boot: building RESTful APIs and backend services in a microservices environment CI/CD and D

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Full-time

$50 - $60

Java Developer with React and TDD

Hampton, Illinois

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11d ago

Job Role: React / Java Developer (TDD) Location: Moline, IL Duration: Long Term Experience: 13 20 Years Job Description: We are seeking a highly experienced React / Java Developer with a strong background in Test-Driven Development (TDD) to join our team in Moline, IL. The ideal candidate will have extensive experience in building scalable, high-performance applications using React, Java, and modern software development best practices.Responsibilities:Design, develop, and maintain full-stack app

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Contract

$60 - $80

Senior Technical Architect

Remote

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5d ago

Are you passionate about building scalable, modern web and mobile platforms that make a real difference? Our client, a growing SaaS company serving the home care and healthcare space, is looking for a Senior Technical Architect to help design and evolve their next-generation platform - a solution that simplifies how care providers handle scheduling, payroll, charting, and other daily operations. This is a full-time role with flexible hybrid or remote work options. You ll collaborate closely with

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Full-time

$120,000 - $160,000

React (FullStack) Developer (Only W2s, No Sponsorship)

Hybrid in Chicago, Illinois

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14d ago

FullStack Developer (Only W2s, No Sponsorship) Chicago, IL FullTime Job Title: Full Stack Developer Chatbot/AI Integration Duration: FTE Location: Chicago, IL (Hybrid 3 days Onsite, 2 days Remote) Compensation: Open Job Overview We are looking for a highly experienced Full Stack Developer to lead the development and integration of a commercial AI-powered chatbot solution. This is a new application development initiative focused on implementing conversational bots and integrating them with va

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Full-time

Depends on Experience

React / Java Developer (TDD)

Moline, Illinois

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12d ago

Urgent Requirement 100% PO | Immediate InterviewRole: React / Java Developer (TDD)Location: Moline IL (100% Onsite)Duration: Long Term Mandatory Skills: React, Java, TDD, Spring Boot, REST APIsShort Description: Looking for an experienced React / Java Developer with 13 20 years of experience in TDD and Agile environment to develop enterprise applications onsite in Moline IL.

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Contract

$50 - $70

Senior Frontend Engineer / Remote / React / TypeScript / AI Collaboration

Remote or Los Angeles, California

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Today

Job Description An early-stage startup is looking for a Senior Frontend Engineer to help build a next-generation communication platform from the ground up. The product is designed to make team collaboration faster, smarter, and more focused by deeply integrating AI into the core user experience. This is a rare chance to join a well-funded founding team with a strong track record in scaling products used by millions. You'll be part of a small, fast-moving engineering group focused on rapid iterat

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Full-time

180k - 220k

Lead Java Developer

Chicago, Illinois

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11d ago

Title: Java Full Stack Tech Lead Location: Chicago, IL (Hybrid/Onsite, Need Locals only) **Position Overview**We are seeking an experienced **Full Stack Tech Lead** with over 10 years of software engineering experience, including expertise in **Java microservices** and **React-based UI development**. This role requires a strong background in designing and implementing scalable solutions, leading technical teams, and driving modernisation initiatives. Experience in the **financial services indus

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Contract

$50 - $60

Senior Developer

Remote

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4d ago

Senior Developer We are actively recruiting for a Senior Developer for a contract to modernize a large suite of applications. The successful candidate possesses and applies a comprehensive knowledge across key tasks and high impact assignments; Plans and completes major technology assignments; Functions as a technical expert across multiple project assignments; Designs, plans and builds software or customize software for use with the aim of satisfying various aspects of requirements for a softwa

Full-time

Up to $140,000

Senior Ruby/React Developer (Remote Opportunity)

Remote

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3d 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

Front end engineer (React/Node/Azure/SQL) *** Direct end client ***

Remote

•

Yesterday

We re seeking a highly skilled Systems Developer to join a cloud-native modernization project focused on replacing a complex integrated service front-end. This is a remote, contract opportunity for developers who thrive in full-stack environments and are ready to make an impact. - Required Technical Expertise Front-End / Application - React.js, Node.js, Express.js and/or Next.js Database - Microsoft SQL Server, T-SQL Cloud & Hosting - Azure Cloud platform experience Authentication - Okta integr

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Contract

Depends on Experience

Full Stack Developer (Python/React with Health Tech)

Remote

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4d ago

Company Description: Our client is an academic private health system, focused on delivering compassionate, high quality care and putting discovery and innovation into practice at the bedside. Our client is an integrated network of care, delivering 25 percent of all hospital care in urban, suburban and rural communities across the state where they are located. They put academic medicine within reach through primary and specialty care delivered at 11 hospitals, as well as through a network of Urge

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Full-time

$135,000 - $160,000

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React.js jobs in Illinois, USA