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React Developer Jobs in Belleville, IL (NOW HIRING)

Stellar IT Solutions LLC

ReactJS Developer

Saint Louis, MO · On-site

$48.50 - $63.25/hr

Role: ReactJS Developer Location: St Louis, MO Duration: 12+ Months -Strong proficiency in ... JavaScript object model -Thorough understanding of React.js and its core principles -Prior ...

Jobsbridge

UI Developer

Saint Louis, MO · On-site

$48.50 - $63.25/hr

Good Experience with JavaScript frameworks AngularJS, react.js, jQuery, jQuery UI Thorough knowledge of Object oriented and functional programming concepts in JavaScript. Strong development ...

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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.
More about React Developer jobs

What are the most commonly searched types of React Developer jobs in Belleville, IL?

The most popular types of React Developer jobs in Belleville, IL are:

What are popular job titles related to React Developer jobs in Belleville, IL?

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?

Cities near Belleville, IL with the most React Developer job openings:

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.

Senior .NET / React Web Developer

Integrity Web Consulting

University City, MO • On-site

Full-time

Re-posted 13 days ago

Job description

Company Description

Excellent opportunity for a senior .NET / React web developer to join the leading web design, development and consulting firm headquartered in the historic Tivoli Theatre off the Loop neighborhood in amazing St. Louis - with a flexible work from anywhere environment.

We are looking for creative professionals who want to learn on a daily basis, take pride in developing highly usable, intuitive web/mobile solutions 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

NO offshore firms, applicants or recruiters, please. 

Job Description

Join a team of experienced professionals to develop effective web solutions for clients ranging from Silicon Valley start-ups to Chicago private equity firms to Nashville healthcare companies to leading local St. Louis firms.

Integrity's developers partner with user experience designers and content strategists to solve challenging problems for our clients by designing/developing world-class web-based solutions - including custom web applications, iOS mobile apps and Android mobile apps.

Core requirements include:

  • C#/MVC
  • REST APIs
  • React / Next.js
  • MS SQL
  • Passion for quality code
  • Excellent problem solver and strategic thinker with strong soft skills
Qualifications

At Integrity, we hire for character and soft skills because we believe in growing talent from within. However, the ideal candidate will have prior experience with the following:

  • Technical Skills:

    • 3+ years of experience with .NET C#, including developing Web APIs with AJAX and RESTful services.
    • Experience with React / Next.js
    • Proficiency in repository management using Git.
    • Strong knowledge of object-oriented programming principles.
    • Familiarity with writing unit tests to ensure code quality.
    • Understanding of Agile software development methodologies and practices.

  • Soft Skills:

    • Exceptional verbal and written communication skills to collaborate with team members and stakeholders effectively.
    • A passion for working in a highly collaborative environment that values teamwork.
    • A growth mindset with the desire and ability to learn daily and adapt to new challenges.
Additional Information

Must have a passion for all things web, learning every day and working with the most creative, technical, awesome team.

Apply