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Remote Software Developer Jobs in O Fallon, MO (NOW HIRING)

S2Tech

Mainframe Developer (Remote)

Chesterfield, MO · On-site +1

$48.50 - $62.25/hr

Mainframe Developer Location: Remote About Us : Known for "Delighting the Client" through performance, innovation, and an employee-centric culture, S2Tech is a fast-growing IT consulting company ...

MasterCard

Software Engineer II

O Fallon, MO · On-site +1

$91K - $124K/yr

Overview The Remote Payment and Presentment System team is seeking a Software Engineer II to help advance our customer experience strategy through continuous innovation and problem-solving. Our ...

The Timberline Group

SOFTWARE ENGINEER

Saint Louis, MO · On-site +1

Work with software lead to understand requirements and translate into technical specification for ... Remote in the USA Only * Contract-to-Hire 3-6 months * Must be US-Citizen or Green-Card only * Will ...

The Timberline Group

Senior Software Engineer

Saint Louis, MO · On-site +1

$119K - $157K/yr

We are looking for a Senior Software Engineer to produce and implement functional software solutions. You will work with upper management to define software requirements and take the lead on ...

MiTek USA Inc

Software Engineer

Chesterfield, MO · On-site +1

Job Responsibilities & Requirements We are seeking a Software Engineer to help design, build, and evolve software solutions for customers in the building industry. You will work within a cross ...

The Timberline Group

Lead Salesforce Developer

Saint Louis, MO · On-site +1

$54 - $71.50/hr

Position can be done Remote (work from home). As we execute on our vision of transforming health in ... Software Engineering team. As a Salesforce Technical Lead, you will help deliver our digital ...

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All JobsSoftware Developer JobsRemote Software Developer JobsRemote Software Developer Jobs in O'Fallon, MO

Remote Software Developer information

See O Fallon, MO salary details

$44.9K

$104.6K

$155.3K

How much do remote software developer jobs pay per year?

As of Jul 13, 2026, the average yearly pay for remote software developer in O'Fallon, MO is $104,629.00, according to ZipRecruiter salary data. Most workers in this role earn between $84,200.00 and $121,600.00 per year, depending on experience, location, and employer.

What Is the Job of Remote Software Developers?

Remote software developers design and create computer software programs and systems for their employer or client. Unlike in-house software developers, remote software developers work from home or another location outside of the office. As a remote software developer, you discuss the kind of program you need to create, making sure to clarify with your department or with your client what they need in their application. You may develop an entirely new program or improve an existing one. Remote developers are responsible for a program’s overall framework, and they design precise workflow charts that explain to programmers what code is needed for different aspects of the program. Remote software developers also design tests and protocols for the QA department to follow when they are testing the application.

What is the difference between Remote Software Developer vs Remote Web Developer?

AspectRemote Software DeveloperRemote Web Developer
Required SkillsProgramming languages, software architecture, codingHTML, CSS, JavaScript, front-end/back-end web development
Work EnvironmentSoftware companies, tech firms, startupsWeb agencies, digital agencies, tech companies
CertificationsComputer Science degree, coding bootcampsWeb development certifications, HTML/CSS courses
Common UsageDeveloping applications, software solutionsBuilding websites, web applications

Remote Software Developers focus on creating software applications and systems, requiring programming skills and software architecture knowledge. Remote Web Developers specialize in designing and building websites and web applications, often with expertise in HTML, CSS, and JavaScript. While both roles involve coding and can be remote, their primary focus and skill sets differ, making it important to choose the role that aligns with your expertise and career goals.

How do remote software developers stay connected and collaborate effectively with their teams?

Remote software developers typically use a variety of collaboration tools, such as Slack, Microsoft Teams, and Zoom, to communicate with colleagues and participate in daily stand-ups or sprint planning meetings. Version control systems like GitHub or GitLab are essential for code collaboration and review. Regular check-ins, clear documentation, and agile workflows help ensure everyone stays aligned and productive despite working from different locations. Proactive communication and time management are crucial for overcoming the challenges of remote work and successfully contributing to team goals.

What is a Remote Software Developer?

A Remote Software Developer is a professional who designs, builds, and maintains software applications while working from a location outside of a traditional office, often from home or another remote setting. These developers collaborate with team members using online communication and project management tools. Remote work allows for greater flexibility and access to global job opportunities, but it also requires strong self-motivation and communication skills. Companies hire remote software developers to tap into a wider talent pool and to offer flexible work arrangements.

What are the key skills and qualifications needed to thrive as a Remote Software Developer, and why are they important?

To thrive as a Remote Software Developer, you need strong programming skills, problem-solving ability, and a relevant degree or equivalent experience in computer science or software engineering. Familiarity with common development tools (such as Git, Visual Studio Code, and CI/CD platforms) and frameworks, as well as knowledge of cloud services, are typically required. Excellent communication, self-motivation, and time management skills help you collaborate effectively and stay productive in a remote setting. These skills and qualities are essential for delivering high-quality software, meeting deadlines, and contributing to distributed teams.
More about Remote Software Developer jobs
What are the most commonly searched types of Software Developer jobs in O'Fallon, MO? The most popular types of Software Developer jobs in O'Fallon, MO are:
What are popular job titles related to Remote Software Developer jobs in O'Fallon, MO? For Remote Software Developer jobs in O'Fallon, MO, the most frequently searched job titles are:
What cities near O'Fallon, MO are hiring for Remote Software Developer jobs? Cities near O'Fallon, MO with the most Remote Software Developer job openings:
Remote Software Developer jobs near you
Infographic showing various Remote Software Developer job openings in O'Fallon, MO as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% Remote job distribution, with an average salary of $104,629 per year, or $50.3 per hour.
Mainframe Developer (Remote)

Mainframe Developer (Remote)

S2Tech

Chesterfield, MO • On-site, Remote

$48.50 - $62.25/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 9 days ago

Job description

Mainframe Developer
Location: Remote
About Us:
Known for "Delighting the Client" through performance, innovation, and an employee-centric culture, S2Tech is a fast-growing IT consulting company serving clients in over a quarter of the United States. We are widely recognized as a leading provider of both technical and business services in support of Health and Human Services-related projects. Feel free to learn more at www.s2tech.com.
Why S2Tech?:
  • Stable privately-owned company with a strong reputation for building long-term client relationships through the delivery of consistent value-based service
  • 25+ years providing IT and Business services to private customers and government programs throughout the United States
  • Expansive client portfolio and active projects - employees benefit from innovative project exposure and in-house skill development training/courses
  • Corporate culture that emphasizes the importance of family and promotes a healthy work-life balance
  • Offer competitive pay and a range of benefits, including:
    • Medical / Dental / Vision Insurance - insurance premium assistance provided
    • Additional Insurance (Life, Disability, etc.)
    • Paid Time Off
    • 401(k) Retirement Savings Plan & Health Savings Account
    • Various training courses to promote continuous learning
    • Corporate Wellness Program
  • Be part of a company that gives back through its non-profit organization, Fortune Fund, which was launched in 2001. The goal of the Fortune Fund is to close the rural/urban divide by ensuring children in rural communities in India and the United States understand the importance of education & are aware of professional career opportunities, allowing them to link their professional & educational goals

Job Overview:
We are seeking an experienced COBOL Mainframe Developer to join our dynamic team. The ideal candidate will have a proven track record of success in designing, developing, and maintaining COBOL-based applications on mainframe systems.
Responsibilities:
  • COBOL Development: Design, code, test, and maintain COBOL programs for mainframe applications
  • Mainframe Systems: Work with mainframe systems and associated technologies to ensure optimal performance and reliability
  • Analysis and Troubleshooting: Analyze business requirements and system specifications to develop effective and efficient COBOL solutions. Identify and troubleshoot issues, providing timely resolutions
  • Collaboration: Collaborate with cross-functional teams, including business analysts, systems analysts, and other developers, to ensure seamless integration of COBOL applications within the broader IT ecosystem
  • Documentation: Create and maintain comprehensive documentation for all COBOL programs, ensuring clarity and ease of understanding for other team members
  • Testing: Conduct thorough unit testing of developed code to ensure its functionality, reliability, and compliance with established standards
  • Performance Optimization: Identify opportunities for performance optimization and implement necessary improvements to enhance the overall efficiency of COBOL applications

Qualifications:
  • Bachelor's degree in Computer Science, Information Technology, or a related field
  • Over 5 years of hands-on experience in COBOL development on mainframe systems; a strong preference for prior Medicaid experience
  • Strong knowledge of mainframe technologies and associated tools
  • Experience in working on large-scale projects with complex business logic
  • Excellent analytical and problem-solving skills
  • Strong communication and interpersonal skills
  • Ability to work independently and as part of a collaborative team
  • Detail-oriented with a commitment to producing high-quality code

S2Tech is committed to hiring and retaining a diverse workforce. We are an equal opportunity employer making decisions without regard to age, race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected class.
Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.

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