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Frontend Developer Jobs in Belleville, IL (NOW HIRING)

Equifax, Inc.

Mulesoft Developer

Saint Louis, MO · On-site

... frontend/web development * 2+ years experience with software testing, performance, and quality engineering techniques and strategies * 2+ years experience with Cloud technology: GCP, AWS, or Azure ...

The Timberline Group

Developer C# .Net

Saint Louis, MO · On-site +1

This position has emphasis on front end development, but will be involved in all aspects of the ... At least two (2) years of programming/engineering and design experience with the following skills:

The Timberline Group

Java Full Stack Developer

Saint Louis, MO · On-site +1

$51 - $65.75/hr

... and frontend presentation and user interaction. The ideal candidate will be comfortable in a fast ... Our engineers are super friendly and love to help each other out! • Weekly 1 on 1 with manager ...

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 ... Extensive experience in front-end development required * Considerable experience with Angular 5+ or ...

Eliassen Group

Senior Software Developer

Saint Louis, MO · On-site

$100 - $125/hr

Louis, MO Our client seeks a Senior Software Developer to support modernization and maintenance of ... Micro-frontend architecture experience is a plus. * Microservices architecture experience ...

New

The Timberline Group

Lead Software Developer

Saint Louis, MO · On-site +1

$112K - $141K/yr

The Lead IT Software Developer is a well-rounded expert on the team in Front-End frameworks (Aurelia, Angular and such) and Back-End (Microsoft SQL and C#/.NET). He / She is the go-to person for any ...

Aggio

Lead Developer

Saint Louis, MO · On-site

$57.25 - $75/hr

Aggio (aggio.io) is looking for a Full Stack Lead developer and Technical Architect to help build a ... of frontend software development experience with JavaScript HTML and CSS, using tools such as ...

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Frontend Developer information

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$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.

Automation Technical Professional - DCS/SIS

Wood plc

Wood River, IL • On-site

$125K - $165K/yr

Other

Re-posted 23 days ago

Job description


Remarkable people, trusted by clients to design and advance the world.
Wood is currently recruiting for a Senior Automation Technical Professional with a strong background in Honeywell DCS & Safety Manager SIS to be based at our client in Wood River, Illinois.
#LI-Hybrid
The Role
Participate in designing and implementing automation systems for oil & gas and process industry projects, engaging in all project phases from front-end engineering to commissioning. Support site surveys, FATs, SATs, and commissioning activities, while reviewing project schedules and cost estimates. Assist procurement with vendor lists, requisitions, and technical evaluations, and travel to customer locations for project implementation (25%).
Our Clients and Projects
Designing the future. Transforming the world.
Wood Systems Integration, the largest vendor-independent system integrator in the world with proven stability for more than 25 years is looking for you! We have an exciting opportunity for a leader, strong problem solver; an individual capable of thinking outside the box and taking initiative to address technical challenges.
Join us and be part of an agile working team that can support office and homed based assignments. This role will work in the office\home and as well as on site at client facilities. The successful candidate will have the ability to work effectively and diligently as an individual engineer and team member in front of both internal and external customers.
We pride ourselves on solving real-world problems for our clients by providing full engineering, consulting, procurement, and construction services to our customers across the globe. Our automation team works on hands-on projects that span the full spectrum - from small integration projects to Main Automation Contractor programs for large, multi-EPC projects.
Applicants must be authorized to work lawfully in the US without sponsorship from Wood, now or in the future.
What we can offer
  • Meaningful and interesting projects delivered to leaders of industry across oil & gas and process industry projects
  • Flexible working arrangements that balance client, team and individual needs. Hybrid in Wood River, Illinois.
  • Commitment to Diversity and Inclusion across our business with employee networks committed to giving all employees a voice
  • Competitive salary with regular salary reviews to ensure we are rewarding at the right level in line with the market. The salary range for this role is $125,000 - $165,000 USD.
  • Flexible benefits package that can be adapted to suit your lifestyle
  • Commitment to continued professional development through development plans tailored to individual needs and interests
  • Global connections with leading industry experts around the world who are shaping the standards of our profession
Responsibilities
Typical responsibilities
The successful candidate will provide support for local on-site client activities at client facilities with off-hours call out support if needed. Hands-on experience with both Honeywell Experion DCS and Safety Manager SIS configuration and programming is required. On-site activities will include existing program updates and troubleshooting. Additional desired skills and qualifications.
  • Participate in Automation Engineering projects for the design and implementation of automation systems for oil & gas and process industry projects.
  • Engage in all phases of automation projects, front-end engineering through detailed design, procurement, configuration, implementation, startup, and commissioning in areas such as DCS Configuration, SCADA, HMI, SIS/FGS PLC programming and interfacing, architecture and networking, and specification development.
  • Attend and support site surveys, Factory Acceptance Test (FAT's), Site Acceptance Test (SAT's) and commissioning activities for delivered systems.
  • Review, comment, and provide input on the project schedule and project cost estimate.
  • Support procurement with vendors lists development, requisition development, technical bid tabulations and clarifications, purchase recommendations, monitor progress and maintain communications with vendors as required.
  • Travel expected to customer locations for project implementation (25%).
Qualifications
What makes you remarkable?
At Wood, we are committed to equal opportunities and welcome all talented individuals to consider joining our team. So even if you don't match every statement below but feel you have some of the experience, knowledge or skills needed for this role, we encourage you to apply. It will take all of us working together to deliver solutions to the world's most critical challenges.
Expected:
  • Bachelor's Degree is required, preferably in one of the following disciplines: Chemical Engineering, Electrical, Computers/Systems, or Mechatronics.
  • Must have between 10- and 15-years' Automation experience.
  • Experience with an operating company, systems vendor, or engineering services provider for the onshore or offshore oil & gas and/or energy industry, is preferred.
  • At least 10 years of demonstrated experience in Distributed Control Systems (DCS) hardware, network architecture, integration, configuration and programming, industrial protocols, HMI Graphics and databases, and SCADA System configuration and installations.
    • Hands-on experience with Honeywell Experion/TDC DCS or FSC/SM.
    • Experience with PLC platforms (Allen Bradley PLC, etc.) is a plus.
  • Demonstrated proficient knowledge of the principles of relational databases, application interfaces, and Human Machine Interface design and implementation.
  • Strong background and direct experience with multiple systems platforms, operating systems and the interactions between systems, system hardware and architecture.
  • Proficient knowledge of P&IDs and instrumentation/control equipment.
  • Knowledge of MS Office applications (Excel, Word, Access, MS Teams, etc.).
  • Strong written and verbal communication skills; must be able to communicate effectively with coworkers, clients, and vendors.
  • Applicants must be authorized to work lawfully in the US without sponsorship from Wood, now or in the future.

About Us
Wood is a global leader in consulting, engineering and operations for the energy and materials sectors. With 33,000 people in around 50 countries, Wood supports clients across the full asset lifecycle, delivering safe, predictable outcomes while enabling resilient operations and a lower carbon future. Wood forms the Energy & Materials pillar of Sidara - a global partnership uniting leading multidisciplinary engineering, design, and project management companies. www.woodgroup.com
Diversity Statement
We are an equal opportunity employer that recognises the value of a diverse workforce. All suitably qualified applicants will receive consideration for employment on the basis of objective criteria and without regard to the following (which is a non-exhaustive list): race, colour, age, religion, gender, national origin, disability, sexual orientation, gender identity, protected veteran status, or other characteristics in accordance with the relevant governing laws.

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