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Full Stack Developer Jobs in O Fallon, MO (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 ...

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 ...

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Full Stack Developer information

See O Fallon, MO salary details

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How much do full stack developer jobs pay per hour?

As of Aug 16, 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.

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, 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 1% Internship, 84% Full Time, 9% Part Time, 5% Contract, and 1% Nights. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $115,309 per year, or $55.4 per hour.

Full Stack Software Developer (.NET/React)

Copeland

Saint Louis, MO • On-site

Other

Medical, Dental, Vision, Retirement

Posted 20 days ago

Copeland rating

8.1

Company rating: 8.1 out of 10

Based on 40 frontline employees who took The Breakroom Quiz

155th of 490 rated machine equipment manufacturers

Job description

About Us
We are a global climate technologies company engineered for sustainability. We create sustainable and efficient residential, commercial and industrial spaces through HVACR technologies. We protect temperature-sensitive goods throughout the cold chain. And we bring comfort to people globally. Best-in-class engineering, design and manufacturing combined with category-leading brands in compression, controls, software and monitoring solutions result in next-generation climate technology that is built for the needs of the world ahead.
Whether you are a professional looking for a career change, an undergraduate student exploring your first opportunity, or recent graduate with an advanced degree, we have opportunities that will allow you to innovate, be challenged and make an impact. Join our team and start your journey today!
We are seeking a Full Stack Software Developer who can architect, build, and optimize modern headless digital experiences using Optimizely CMS, Next.js, React, personalization, analytics, and content delivery technologies. The ideal candidate will have experience developing, implementing, and maintaining content management solutions, preferably using Optimizely CMS (formerly Episerver). Additionally, you will create seamless, high-performing user experience with a Next.js/React front end. Your role will be pivotal in delivering a robust, scalable, and user-friendly digital experience.
About the Role
We are seeking a skilled and innovative Full Stack Software Developer to join our team. The ideal candidate will have experience developing, implementing, and maintaining content management solutions, preferably using Optimizely CMS (formerly Episerver). Additionally, you will create seamless, high-performing user experience with a Next.js/React front end. Your role will be pivotal in delivering a robust, scalable, and user-friendly digital experience.
Key Responsibilities
    • CMS Development & Maintenance
      • Design, implement, and maintain websites using Optimizely CMS.
      • Create and customize reusable Optimizely content types, templates, and modules to meet project requirements.
      • Manage CMS workflows, permissions, and content publishing processes.
    • Front-End Integration
      • Develop and integrate user-facing features with Next.js and React.
      • Optimize the front-end architecture for performance and scalability.
      • Collaborate with UI/UX designers to translate wireframes and prototypes into high-quality code.
    • API & Data Handling
      • Support Frontend connection to CMS backend via GraphQL
      • Build and manage APIs to connect the front end and CMS backend.
      • Ensure secure and efficient data flow between systems.
      • Support flow of digital asset data from DAM to CMS
    • Performance Optimization
      • Ensure websites are optimized for speed, responsiveness, and scalability.
      • Implement best practices for SEO, accessibility, and cross-browser compatibility.
    • Team Collaboration
      • Work closely with product owners, digital marketing, designers, and other developers.
      • Participate in code reviews, testing, and debugging processes.
      • Provide technical guidance and support to team members and stakeholders.

Qualifications
  • Technical Expertise:
    • Experience with agile methodologies and tools (e.g., Jira, Azure DevOps Boards).
    • Knowledge of Azure CI/CD pipelines and deployment workflows.
    • Familiarity with Git.
    • Experience designing composable DXP architectures using Optimizely Graph, REST/GraphQL APIs, SSR, SSG, ISR, and modern front-end patterns. Development Tools & Methodologies:
    • Strong understanding of CSS and Sass (SCSS)
    • Proficiency in Next.js, React, JavaScript (ES6+), and TypeScript.
    • 3+ years proven experience with .NET

  • Authroization to work in the United States on a permanent basis: Individuals with temporary visas such as E, F-1 with OPT or CPT, H-1, H-2, L-1, B, J or TN, or who need sponsorship for work authorization now or in the future, are not eligible for hire.

  • Additional Skills:
    • Familiarity with cloud services in Azure and hosting environments.
    • Understanding of SEO principles and performance optimization techniques.
    • Excellent problem-solving skills and attention to detail.

Preferred Qualifications
    • Experience with Optimizely CMS
    • Experience with Headless CMS Integration (REST/GraphQL)
    • Experience with other CMS platforms and migration to Optimizely CMS.
    • Experience with Optimizely Graph, Search & Navigation, Aprimo DAM, Cloudflare CDN, experimentation, consent management, and analytics platforms.
    • Familiarity with Google analytics tools and tag management systems.
    • Certification in Optimizely or related technologies is a plus.

Our Commitment to Our People
Across the globe, we are united by a singular Purpose: Sustainability is no small ambition. That's why everything we do is geared toward a sustainable future-for our generation and all those to come. Through groundbreaking innovations, HVACR technology and cold chain solutions, we are reducing carbon emissions and improving energy efficiency in spaces of all sizes, from residential to commercial to industrial.
Our employees are our greatest strength. We believe that our culture of passion, openness, and collaboration empowers us to work toward the same goal - to make the world a better place. We invest in the end-to-end development of our people, beginning at onboarding and through senior leadership, so they can thrive personally and professionally.
Flexible and competitive benefits plans offer the right options to meet your individual/family needs: medical insurance plans, dental and vision coverage, 401(k) and more. We provide employees with flexible time off plans, including paid parental leave, vacation and holiday leave.
Together, we have the opportunity - and the power - to continue to revolutionize the technology behind air conditioning, heating and refrigeration, and cultivate a better future. Learn more about us and how you can join our team!
Our Commitment to Inclusion & Belonging
At Copeland, we cultivate a strong sense of inclusion and belonging where individuals of all backgrounds, and with diverse perspectives, are embraced and treated fairly to enable a stronger workforce. Our employee resource groups play an important role in culture and community building at Copeland.
Work Authorization
Copeland will only employ those who are legally authorized to work in the United States. This is not a position for which sponsorship will be provided. Individuals with temporary visas such as E, F-1 with OPT or CPT, H-1, H-2, L-1, B, J or TN, or who need sponsorship for work authorization now or in the future, are not eligible for hire.
Equal Opportunity Employer
Copeland is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to sex, race, color, religion, national origin, age, marital status, political affiliation, sexual orientation, gender identity, genetic information, disability or protected veteran status. We are committed to providing a workplace free of any discrimination or harassment.
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