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

ERP Analysts

JAVA Full stack Developers

Bridgeton, MO · On-site

$48.50 - $62.75/hr

Company Description ERP Analysts Inc . an Oracle Platinum Partner specialized in Oracle product licensure, implementations, upgrades and production support for PeopleSoft, Fusion Applications, Fusion ...

ERP Analysts

JAVA Full stack Developers

Bridgeton, MO

$48.50 - $62.75/hr

Company Description ERP Analysts Inc . an Oracle Platinum Partner specialized in Oracle product licensure, implementations, upgrades and production support for PeopleSoft, Fusion Applications, Fusion ...

Leidos

Mid-Level Software Engineer

South Roxana, IL · On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

Leidos

Mid-Level Software Engineer

Bridgeton, MO · On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

Leidos

Mid-Level Software Engineer

East Carondelet, IL · On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

Leidos

Mid-Level Software Engineer

Granite City, IL · On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

Leidos

Mid-Level Software Engineer

Fairview Heights, IL · On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

Leidos

Mid-Level Software Engineer

Maryville, IL · On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

Leidos

Mid-Level Software Engineer

Dupo, IL · On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

Leidos

Mid-Level Software Engineer

Saint Ann, MO · On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

Leidos

Mid-Level Software Engineer

Florissant, MO · On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

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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.

Full-Stack Engineer at early-stage consumer social app

Cheez

Edwardsville, IL • On-site

Full-time

Re-posted 16 days ago

Job description

Cheez (https://cheez.cc/wayupeng) is a new app that sends you the pictures that your friends take of you, powered by facial recognition.

Responsibilities:

  • Collaborate with product and design teams (ex-Google/FB/Apple/Microsoft) to develop, test, and launch new features and improvements for our consumer social app.

  • Write clean, maintainable, and scalable code using modern web development technologies and best practices.

  • Develop and maintain both front-end and back-end components, ensuring seamless integration and optimal performance.

  • Troubleshoot and debug issues, implement fixes, and optimize application performance.

  • Participate in code reviews, provide constructive feedback, and contribute to a positive team culture.

  • Stay up-to-date with emerging technologies, industry trends, and best practices to continuously improve our product and development processes.

  • Contribute to our agile development methodology, attending daily stand-ups, sprint planning, and retrospective meetings.

  • Minimum 2-3 years of software engineering experience

  • Have built mobile apps (and/or web apps) full-stack before

  • Enthusiastic about photo sharing and/or AI and/or social media

Apply