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Full Stack Developer Jobs in O Fallon, IL (NOW HIRING)

The Timberline Group

Developer .Net/C#

Saint Louis, MO · On-site +1

$47 - $62/hr

We are seeking a full stack developer with JavaScript and C# .NET Core development to join our team in St. Louis, MO. You will have the opportunity to utilize a wide range of new development ...

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Showing results 21-40

All JobsFull Stack Developer JobsFull Stack Developer Jobs in O'Fallon, IL

Full Stack Developer information

See O Fallon, IL salary details

$22

$55

$80

How much do full stack developer jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for full stack developer in O'Fallon, IL is $55.28, according to ZipRecruiter salary data. Most workers in this role earn between $45.96 and $63.70 per hour, depending on experience, location, and employer.

Is a full stack developer still in demand?

Full stack developers remain in high demand due to their ability to work on both front-end and back-end development, with skills in frameworks like React, Angular, and Node.js. The role is essential in many industries, and demand is expected to grow as companies continue to prioritize digital transformation and full-spectrum software development.

What is the difference between Full Stack Developer vs Front End Developer?

AspectFull Stack DeveloperFront End Developer
SkillsProficient in both front-end and back-end technologies, including HTML, CSS, JavaScript, server-side languages, and databases.Specializes in client-side technologies like HTML, CSS, JavaScript, and frameworks such as React or Angular.
Work EnvironmentWorks on both server and client-side development, often handling entire project stacks.Focuses primarily on designing and implementing user interfaces and user experience.
Common UsageUsed in full project development, especially in startups and small teams.Primarily involved in UI/UX design and front-end implementation in larger teams.

While both roles require strong web development skills, Full Stack Developers handle both front-end and back-end tasks, providing a comprehensive approach to web projects. Front End Developers focus solely on creating engaging and responsive user interfaces. Understanding these differences helps employers and developers choose the right role for their project needs.

What are some common challenges full stack developers face when working on cross-functional teams?

Full Stack Developers often collaborate with designers, backend engineers, project managers, and QA testers, which can introduce challenges like aligning on project requirements and managing different technical perspectives. Coordinating between frontend and backend tasks while ensuring seamless integration is another common hurdle. Additionally, staying up-to-date with evolving technologies on both ends of the stack requires strong time management and continuous learning. Effective communication and adaptability are key to overcoming these challenges and delivering cohesive solutions.

What will a full stack developer do?

A full stack developer designs, develops, and maintains both the front-end and back-end components of web applications. They work with languages like JavaScript, HTML, CSS, and server-side technologies, often using frameworks and tools such as React, Node.js, and databases. Full stack developers are responsible for ensuring seamless integration and functionality across all parts of a web project.

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

To thrive as a Full Stack Developer, you need expertise in both front-end and back-end programming languages (such as JavaScript, HTML/CSS, Python, or Java) and a solid understanding of web development principles, often supported by a relevant degree or coding bootcamp experience. Familiarity with frameworks like React or Angular, back-end environments like Node.js or Django, version control systems like Git, and possibly cloud platforms is typically required. Strong problem-solving, communication, and collaboration skills distinguish excellent developers, allowing them to work effectively in team environments and with stakeholders. These technical and soft skills are vital for building, maintaining, and optimizing complex, user-friendly web applications that meet business needs.

What is a full stack developer?

A Full Stack Developer is a software professional who is skilled in both front-end (client side) and back-end (server side) development. They are capable of designing, building, and maintaining complete web applications or systems, handling everything from user interfaces and databases to server logic and APIs. Full Stack Developers often work with a range of programming languages and frameworks, such as JavaScript, HTML/CSS, Node.js, Python, and SQL, among others. Their versatility allows them to contribute to multiple stages of the software development lifecycle, making them valuable assets to development teams.
More about Full Stack Developer jobs
What cities near O'Fallon, IL are hiring for Full Stack Developer jobs? Cities near O'Fallon, IL with the most Full Stack Developer job openings:
Full Stack Developer jobs near you
Infographic showing various Full Stack Developer job openings in O'Fallon, IL as of August 2026, with employment types broken down into 1% Internship, 85% Full Time, 8% Part Time, 4% Contract, and 2% Nights. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution, with an average salary of $114,979 per year, or $55.3 per hour.

4221 Software Developer with Security Clearance

Procession Systems

Saint Louis, MO • On-site

Other

This job post has expired today. Applications are no longer accepted.

Job description

OVERVIEW: We are looking for a highly skilled Full-Stack developer to support a mission critical system and help lead initiatives related to a custom web application. Primary duty of the candidate will be to design, code and participate in the maintenance and enhancement of an enterprise web application. In addition to designing and developing code, the ideal candidate should also have the drive and willingness to work within AWS. The selected candidate will find themselves on a path to continual learning and professional growth on a great team and mission. REQUIRED QUALIFICATIONS: * 5+ years experience building web applications in any modern framework based on languages like C#, Python, Java, or JavaScript * 2+ years experience with AWS or Azure Cloud Environments. Possess a solid understanding of the environment and ability to perform basic management and troubleshooting. * Experience in a modern web framework like Angular, React, Vue, Node, or Ember. * Deep understanding of HTML, HTTP, client-side rendering, and DOM manipulation through JavaScript and libraries such as jQuery. * Experience with Windows and Linux environments and the Linux command line. * Experience with object-oriented programming. * Knowledge of web application performance issues and best practices. * Extensive knowledge of developer tools such as Jira, Git and Gitlab. * Experience developing web services and integrating enterprise-class systems. * Strong troubleshooting skills. * Experience working with cross-functional teams using agile practices and continuous delivery. * Bachelor's degree or higher in computer science or a closely related field. CLEARANCE: * Top Secret minimum
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About Procession Systems

Sourced by ZipRecruiter

Procession Systems, based in Reston, Virginia, United States, is an industry leader operating in the Information Technology Services sector. Established to address complex business and technology challenges, the company delivers innovative tech solutions for government entities, primarily focusing on systems integration and software development. Procession Systems takes pride in their commitment to quality, responsiveness, and results, geared towards improving public sector services and saving taxpayer dollars.

Industry

Recruiting and staffing services

Company size

11 - 50 Employees

Headquarters location

Reston, VA, US

Year founded

2016

Social media

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