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Frontend Developer Jobs in Belleville, IL (NOW HIRING)

CYNET SYSTEMS

Frontend Engineer

Saint Louis, MO · On-site

$45 - $50/hr

We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America ...

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Dealervero

Front End Web Developer

Saint Louis, MO · On-site +1

Web Developer Job Duties: * Regular exposure to business stakeholders and executive management, as well as the authority and scope to apply your expertise to many interesting technical problems.

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All JobsFrontend Developer JobsFrontend Developer Jobs in Belleville, IL

Frontend Developer information

See Belleville, IL salary details

$41.3K

$107.2K

$151K

How much do frontend developer jobs pay per year?

As of Aug 6, 2026, the average yearly pay for frontend developer in Belleville, IL is $107,244.00, according to ZipRecruiter salary data. Most workers in this role earn between $101,000.00 and $117,500.00 per year, depending on experience, location, and employer.

What is a frontend developer?

Frontend Developers are professionals who design and build the user-facing parts of websites and web applications. They use technologies like HTML, CSS, and JavaScript to create interactive and visually appealing interfaces that users interact with directly in their browsers. Frontend Developers work closely with designers and backend developers to ensure a seamless and responsive user experience across different devices and platforms. Their role often includes optimizing website performance, ensuring accessibility, and maintaining code quality.

What is the difference between Frontend Developer vs Web Designer?

AspectFrontend DeveloperWeb Designer
Primary FocusBuilding and coding website interfaces using HTML, CSS, JavaScriptDesigning visual layout, user experience, and aesthetics
Skills & CertificationsHTML, CSS, JavaScript, frameworks, coding skillsDesign tools (Photoshop, Sketch), UX/UI principles
Work EnvironmentCollaborates with developers and backend teams in tech settingsWorks with clients, marketing teams, and creative departments
Industry UsageWeb development companies, tech firms, startupsDesign agencies, marketing firms, freelance projects

While both roles contribute to website creation, a Frontend Developer focuses on coding and implementing interactive features, whereas a Web Designer emphasizes visual design and user experience. Understanding these differences helps in choosing the right career path or job search focus.

How do frontend developers collaborate with designers and backend teams during a project?

Frontend Developers regularly work closely with UX/UI designers to ensure that visual elements are accurately translated into interactive web pages and applications. They also coordinate with backend developers to integrate APIs and manage data flow between the server and the user interface. Regular meetings, code reviews, and collaborative tools like version control systems help streamline communication and maintain consistency across the project. This teamwork is essential to deliver a cohesive and high-performing end product.

What exactly does a front-end developer do?

A front-end developer designs and implements the visual and interactive elements of websites or applications using languages like HTML, CSS, and JavaScript. They focus on creating user-friendly interfaces, ensuring responsiveness across devices, and often work with design tools and frameworks to build functional, accessible web experiences.

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

To thrive as a Frontend Developer, you need a solid grasp of HTML, CSS, JavaScript, and modern frameworks like React or Angular, often supported by a degree in computer science or a related field. Familiarity with version control systems (e.g., Git), responsive design tools, and web performance optimization techniques is typically required. Creativity, attention to detail, and strong problem-solving abilities help you build intuitive, user-friendly interfaces and collaborate effectively with design and backend teams. These skills and qualities are crucial for delivering high-quality, interactive web applications that meet user and business needs.

Are frontend developers still in demand?

Frontend developers are currently in high demand due to the growth of web applications and digital services. Skills in HTML, CSS, JavaScript, and frameworks like React or Angular are especially sought after by employers across various industries.
What are the most commonly searched types of Frontend Developer jobs in Belleville, IL? The most popular types of Frontend Developer jobs in Belleville, IL are:
What are popular job titles related to Frontend Developer jobs in Belleville, IL? For Frontend Developer jobs in Belleville, IL, the most frequently searched job titles are:
What job categories do people searching Frontend Developer jobs in Belleville, IL look for? The top searched job categories for Frontend Developer jobs in Belleville, IL are:
What cities near Belleville, IL are hiring for Frontend Developer jobs? Cities near Belleville, IL with the most Frontend Developer job openings:
Frontend Developer jobs near you
Infographic showing various Frontend Developer job openings in Belleville, IL as of August 2026, with employment types broken down into 79% Full Time, and 21% Contract. Highlights an 90% In-person, and 10% Remote job distribution, with an average salary of $107,244 per year, or $51.6 per hour.

Mobile Frontend Developer

Krest Global Solutions

Saint Louis, MO • Remote

$50 - $55/hr

Contractor

Re-posted 8 days ago

Job description

Job Title: Mobile Frontend Developer

Location : Remote

Compensation : 50-55$/Hr on C2C/1099

Work Authorization: GC, USC

Job Summary:

We are seeking a talented and detail-oriented Mobile Frontend Developer to join our growing team. You will be responsible for building intuitive, responsive, and high-performance mobile applications that deliver exceptional user experiences across Android and iOS platforms. You will collaborate with cross-functional teams including product managers, designers, and backend engineers to bring our mobile vision to life.

Key Responsibilities:

· Design, develop, and maintain mobile applications with a focus on frontend performance and usability.

· Translate UI/UX designs into high-quality, responsive mobile interfaces.

· Collaborate with backend developers to integrate APIs and services.

· Ensure the technical feasibility of UI/UX designs and optimize for performance.

· Write clean, maintainable, and testable code following best practices.

· Debug and resolve issues, crashes, and performance bottlenecks.

· Participate in code reviews and contribute to continuous improvement.

· Stay updated with the latest trends in mobile development and frontend technologies.

Required Skills & Qualifications:

· 5+ years of experience in mobile frontend development.

· Proficiency in one or more mobile frameworks:

· React Native, Flutter, or native development (Swift, Kotlin, Java).

· Strong understanding of JavaScript, TypeScript, or Dart (depending on framework).

· Experience with state management libraries (e.g., Redux, MobX, Provider, Bloc).

· Familiarity with RESTful APIs, GraphQL, and third-party SDKs.

· Solid understanding of responsive design, mobile UI/UX principles, and accessibility.

· Experience with version control systems like Git.

· Knowledge of app deployment processes for App Store and Google Play.

Preferred Qualifications:

· Experience with CI/CD pipelines for mobile apps.

· Familiarity with unit testing, integration testing, and UI testing tools.

· Exposure to analytics, crash reporting, and performance monitoring tools (e.g., Firebase, Sentry).

· Experience working in Agile/Scrum environments.

· Contributions to open-source projects or a portfolio of published apps.

Soft Skills:

· Strong problem-solving and analytical skills.

· Excellent communication and collaboration abilities.

· Attention to detail and a passion for delivering high-quality user experiences.

· Ability to work independently and manage time effectively.