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React Developer Jobs in Belleville, IL (NOW HIRING)

CEdge Inc

Jr Software Developer

Saint Louis, MO

$110K - $115K/yr

... React o Familiarity with SQL/RDBMS, API integration, cloud native development and Docker/containers ... Engineering, Engineering Management, Management Information Systems, Mathematics, or related STEM ...

New

CEdge Inc

Jr Software Developer

Saint Louis, MO · On-site

$64K - $84K/yr

... React oFamiliarity with SQL/RDBMS, API integration,cloud native development and Docker/containers ... Engineering, Engineering Management, Management Information Systems, Mathematics, or related STEM ...

The Timberline Group

Angular .Net Developer

Saint Louis, MO · On-site +1

$53.25 - $65.25/hr

This is a Mid to Senior-level full stack Software Developer position. This team is an Agile team ... React.js). The role is full stack, so the candidate should have good experience on both front and ...

TEKsystems

Backend Developer

Scott Air Force Base, IL

$60 - $75/hr

Backend Developer (ELK/Kafka Data Engineer) Location: Scott AFB, IL (Onsite) Clearance Required ... Support visualization platforms and dashboards utilizing Kibana, HTML, JavaScript, and React-based ...

The Timberline Group

Senior Angular Developer

Saint Louis, MO · On-site +1

$53.25 - $65.25/hr

Engineering teams deliver software and features using the Agile methodology. Position Requirements ... React experience is a plus * SignalR / Websockets experience is a plus * Good communication using ...

SAIC

Web Software Developer

Scott Air Force Base, IL · On-site

$120K - $160K/yr

Experience with Node.js and React. * Experience with AppStream and Confluence. * Experience in ... engineering, intelligence, and enterprise information technology markets. SAIC is Redefining ...

SAIC

Web Software Developer

Scott Air Force Base, IL

$120K - $160K/yr

SW Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI ... Experience with Node.js and React. * Experience with AppStream and Confluence. * Experience in ...

The Timberline Group

Lead Salesforce Developer

Saint Louis, MO · On-site +1

$54 - $71.50/hr

... Software Engineering team. As a Salesforce Technical Lead, you will help deliver our digital ... React or Angular) • Working experience in AppExchange App Development and Package creation. • ...

Synthesis Systems

Full Stack Java Developer

Creve Coeur, MO

$49.25 - $63.50/hr

The Full Stack Developer provides frontend and backend development support. The successful ... Qualifications Hands on experience on React JS,NodeJS, Redux, Java and Postgres SQL on AWS platform ...

Synthesis Systems

Full Stack Java Developer

Creve Coeur, MO · On-site

$49.25 - $63.50/hr

The Full Stack Developer provides frontend and backend development support. The successful ... Qualifications Hands on experience on React JS,NodeJS, Redux, Java and Postgres SQL on AWS platform ...

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Showing results 41-60

All JobsReact Developer JobsReact Developer Jobs in Belleville, IL

React Developer information

See Belleville, IL salary details

$38.9K

$125.6K

$154K

How much do react developer jobs pay per year?

As of Sep 4, 2026, the average yearly pay for react developer in Belleville, IL is $125,636.00, according to ZipRecruiter salary data. Most workers in this role earn between $103,000.00 and $152,500.00 per year, depending on experience, location, and employer.

What is a React developer?

React Developers are software engineers who specialize in building user interfaces using the React JavaScript library. They design and implement interactive components on web applications, ensuring seamless and efficient user experiences. Their responsibilities often include coding, debugging, optimizing performance, and collaborating with designers and backend developers. React Developers need a strong understanding of JavaScript, HTML, CSS, and the React framework. They may also work with related tools like Redux, TypeScript, and testing libraries.

What does a React developer do?

As a React developer, you work in a comprehensive JavaScript library known as React. Your responsibilities are to design, develop, and implement this front-end technology for businesses. Your software includes user-facing features that consist of reusable components for future use. Other duties include testing software for functionality issues, translating designs into code, and optimizing components for optimum performance. Part of your job is utilizing workflows such as Flux and Redux to complete tasks. You also coordinate with teams to ensure each layer of the infrastructure works together.

What are the key skills and qualifications needed to thrive as a React developer, and why are they important?

To thrive as a React Developer, you need a solid understanding of JavaScript, ES6+, HTML, CSS, and a proven track record with React.js and related libraries. Familiarity with version control systems like Git, package managers such as npm or Yarn, and experience with build tools and testing frameworks are typically required. Strong problem-solving skills, attention to detail, and effective communication set outstanding developers apart. These competencies ensure you can build efficient, maintainable user interfaces and collaborate effectively within development teams.

What are the most common challenges React developers face when working on large-scale applications?

React Developers working on large-scale applications often encounter challenges such as managing complex state logic, ensuring code maintainability, and optimizing application performance. Collaborating effectively with backend teams and coordinating updates in component libraries are also crucial. Additionally, keeping up with the evolving React ecosystem and integrating third-party tools or libraries can require ongoing learning and adaptation. Leveraging best practices like code splitting, lazy loading, and clear state management patterns can help address these challenges.

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

AspectReact DeveloperFront-End Developer
Primary FocusBuilding user interfaces with ReactDeveloping UI/UX across various frameworks
Required SkillsReact, JavaScript, HTML, CSSJavaScript, HTML, CSS, multiple frameworks
Work EnvironmentWeb development teams, startups, tech companiesWeb development teams, agencies, corporate IT
Common CertificationsReact certifications, JavaScript coursesJavaScript certifications, front-end development courses

React Developers specialize in building user interfaces using React, while Front-End Developers work on a broader range of UI/UX development across various frameworks. Both roles require strong JavaScript, HTML, and CSS skills, but React Developers focus more on React-specific tools and libraries. Employers in tech companies and startups often seek both, but React Developers are more specialized in React-based projects.

Are React developers in high demand?

React developers are in high demand due to the widespread use of React for building user interfaces in web development. Employers seek professionals skilled in JavaScript, React, and related tools like Redux, with many job openings across various industries. The demand is expected to remain strong as front-end development continues to grow.

Is React in demand in 2026?

React Developer roles are expected to remain in high demand through 2026 due to the continued popularity of React for building dynamic web applications. Skills in JavaScript, component-based architecture, and familiarity with tools like Redux or Next.js enhance employability in this field.

What's the average React Developer salary?

The average React Developer salary varies based on experience, location, and skill level, but typically ranges from $70,000 to $120,000 annually in the United States. Developers with advanced skills in JavaScript, Redux, and front-end frameworks tend to earn higher salaries, especially in tech hubs or with specialized certifications.
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The most popular types of React Developer jobs in Belleville, IL are:

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For React Developer jobs in Belleville, IL, the most frequently searched job titles are:

What cities near Belleville, IL are hiring for React Developer jobs?

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React Developer jobs near you
Infographic showing various React Developer job openings in Belleville, IL as of August 2026, with employment types broken down into 85% Full Time, 2% Part Time, and 13% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $125,636 per year, or $60.4 per hour.

WordPress Front-End Developer / Engineer

Integrity Web Consulting

University City, MO • On-site, Remote

Full-time

Re-posted 12 days ago

Job description

Company Description
Leading web consulting firm, designated as a Code Poet, in St. Louis is seeking passionate WordPress Engineer to join our growing team. We offer a flexible work from anywhere environment.
We are looking for creative developers who want to learn on a daily basis, take pride in developing highly usable, intuitive WordPress sites and hope to change the world via technology.
We hire people based upon the H's:
  • Happy - a zest for life and desire to delight our clients
  • Humble - no egos allowed. ever.
  • Hungry - will want to change the world
  • Honest - always do what you say you're gonna do

NON-smokers only, please.
NO offshore firms or recruiters, please.
Job Description
If you love taking award-winning PSDs and creating super tight code and WordPress themes, then we're the place for you. You'll have the following skills:
  • Passion for WordPress and open source technology
  • HTML, CSS, JavaScript, React, Angular
  • PHP WordPress theme/plugin development - must build custom themes from scratch
  • Bootstraps or other CSS Frameworks / Resets
  • Modernizr
  • Responsive/Adaptive development
  • Progressive Enhancement / Graceful Degradation
  • HTML and CSS Specifications (W3C / WHATWG)
  • UX / Usability
  • Cross-Browser / Cross-Platform Development
  • Website Speed / Performance
  • Debugging Tools (Firebug, etc)

Qualifications
  • Will have live URLs of your work to reference
  • Must be able to collaborate effectively
  • Must be a proactive communicator
  • Must be able to get to extreme detail
  • Likely an excellent writer

Additional Information
Must have a passion for all things web, learning every day and working with the most creative, awesome team in St. Louis.
Will probably love Mtn. Dew, Red Bull or American Honey.
Offshore firms and recruiters DO NOT APPLY.

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