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

CACI

Full Stack Developer

Saint Louis, MO · On-site

$90K - $189K/yr

Full Stack Developer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None ...

Leidos

Journeyman Full Stack Developer

Saint Louis, MO

$69K - $125K/yr

The Leidos National Solutions Division has an exciting opportunity for a Journeyman Full Stack Engineer to assist with the software development, maintenance, integration, deployment, and sustainment ...

Leidos

Journeyman Full Stack Developer

Saint Louis, MO · On-site

$69K - $125K/yr

The Leidos National Solutions Division has an exciting opportunity for a Journeyman Full Stack Engineer to assist with the software development, maintenance, integration, deployment, and sustainment ...

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Full Stack Developer information

See O Fallon, MO salary details

$22

$55

$80

How much do full stack developer jobs pay per hour?

As of Sep 6, 2026, the average hourly pay for full stack developer in O'Fallon, MO is $55.44, according to ZipRecruiter salary data. Most workers in this role earn between $46.11 and $63.85 per hour, depending on experience, location, and employer.

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.

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 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 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.

Is full stack developer still in demand?

Full stack developers are currently in high demand due to their ability to work on both front-end and back-end development, with skills in frameworks like React, Angular, Node.js, and database management. The role remains essential across industries, especially as companies prioritize versatile developers who can adapt to evolving technologies.

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.
More about Full Stack Developer jobs

What cities near O'Fallon, MO are hiring for Full Stack Developer jobs?

Cities near O'Fallon, MO 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, MO as of August 2026, with employment types broken down into 85% Full Time, 10% Part Time, 4% Contract, and 1% Nights. Highlights an 86% Physical, 3% Hybrid, and 11% Remote job distribution, with an average salary of $115,309 per year, or $55.4 per hour.

Full Stack Developer

WILLIAM C BROWN INC (WCBinc)

Saint Louis, MO

Full-time

Re-posted 11 days ago

Job description

WCBinc is looking for a Full Stack Developer to join our team to support our customers in either Springfield, VA or St. Louis, MO. Here, you'll tailor cutting-edge solutions to the unique requirements of our clients.

With a career in application development, you'll make the end user's experience your priority and we'll make your career growth ours. HOW A FULL STACK DEVELOPER WILL MAKE AN IMPACT Job Description Summary WCBinc is looking for a dynamic, talented and experienced Full Stack Software Developer who can create and maintain complex IT applications. This person needs to have the ability to assess user feedback, rapidly tailor user interface functionality to meet client needs, and modify application code with business logic.

You will need to be a hands-on contributor in a fast-paced agile environment. This person must have a passion for web development and be a strong communicator. The Full Stack Developer will also need to have the ability to modify both front and back-end application code during the implementation phases.

Position Duties - Utilizes well defined software processes, such as Agile, to work in a rapid development environment as part of a development team. - Designs, codes and unit tests front and back-end solutions for integrated systems using packages such as HTML, CSS, JavaScript, Python, Go, SQL. - Develops integration code to connect and interface systems and services.

- Develops solutions that utilize open standards and ICDs to promote interoperability through service based architectures. - Analyzes, fixes, and documents DRs on systems. - Be able to rapidly prototype/mock up solution design, look, feel and aesthetics - Prepare documentation of all solutions developed - Execute all visual design stages from concept to development.

- Analyze user feedback against current system designs/requirements and solutions system updates that reflect that feedback accordingly.

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