ZipRecruiter

Log In

1

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

next page

Showing results 1-20

People also search for

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

Software Developer information

See O Fallon, MO salary details

$44.9K

$104.6K

$155.3K

How much do software developer jobs pay per year?

As of Jul 7, 2026, the average yearly pay for 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 are the key skills and qualifications needed to thrive as a Software Developer, and why are they important?

To thrive as a Software Developer, you need strong programming skills in languages like Java, Python, or JavaScript, as well as a solid understanding of computer science fundamentals and a relevant degree or equivalent experience. Familiarity with development tools such as Git, integrated development environments (IDEs), and frameworks like React or .NET is typically required, along with knowledge of agile methodologies or certifications. Problem-solving ability, attention to detail, teamwork, and effective communication are essential soft skills that help you excel in collaborative and fast-paced environments. These skills ensure you can build reliable, maintainable software and adapt to evolving project requirements and technologies.

What are some common challenges software developers face when working on team-based projects?

Software developers often encounter challenges such as coordinating with team members across different time zones, managing code integration from multiple contributors, and maintaining clear communication about project requirements. Effective use of version control systems like Git and regular participation in code reviews can help mitigate these issues. Additionally, adapting to evolving project goals and balancing technical debt with feature development are common hurdles that require strong collaboration and problem-solving skills.

What engineer makes $500,000 a year?

Senior software engineers, especially those working in high-cost-of-living areas or at major tech companies, can earn $500,000 or more annually through base salary, bonuses, and stock options. These roles typically require extensive experience, advanced technical skills, and often involve leadership or specialized expertise in areas like machine learning or cloud infrastructure.

What Do Software Developers Do?

Software developers design and create computer software programs and systems for their employer or client. Their job is to apply the principles of engineering, analytics, and computer science toward the development and testing of all kinds of software and applications. On a day-to-day basis, a software developer helps create and test software from start to finish. They discuss and analyze user requests and requirements, then research and brainstorm practical solutions to meet those needs, and determine the best course of action to create the application. As a software developer, you may develop an entirely new program or improve an existing one; you are responsible for a program’s overall framework and must design precise workflow charts that explain to programmers what code is needed for different aspects of the program.

Is AI replacing software developers?

AI is automating certain coding tasks and improving software development processes, but it is not replacing software developers. Developers are needed to design, oversee, and interpret AI tools, as well as to create complex, innovative solutions that require human judgment and expertise.

Is software developer still in demand?

Software developers are in high demand due to ongoing digital transformation across industries, with strong job growth projected in the coming years. Skills in programming languages, such as Java, Python, or JavaScript, and familiarity with development tools and frameworks increase employability in this field.

What work does a software developer do?

A software developer designs, writes, tests, and maintains computer programs and applications. They use programming languages like Java, Python, or C++ and often collaborate with teams to develop software solutions that meet user needs and specifications.

What is the difference between Software Developer vs Software Engineer?

AspectSoftware DeveloperSoftware Engineer
CredentialsBachelor's degree in CS or related field; coding certificationsBachelor's or higher in CS or Software Engineering; certifications may vary
Work EnvironmentDevelops, tests, and maintains software applicationsDesigns and develops software systems; often involved in architecture
Industry UsageCommonly used in tech companies, startups, and IT firmsUsed interchangeably with Software Developer in many organizations

While the roles often overlap, Software Developers focus on coding and building applications, whereas Software Engineers typically work on designing and architecting complex systems. Both roles require similar credentials and are integral to software creation, but their scope and responsibilities can differ based on project size and company structure.

What is a Software Developer?

A Software Developer is a professional who designs, builds, tests, and maintains computer programs or applications. They use programming languages to create software solutions that meet user needs, whether for desktop, mobile, or web platforms. Software Developers work closely with other team members such as designers, analysts, and testers to ensure the final product is functional, reliable, and user-friendly. Their responsibilities can range from writing code and fixing bugs to collaborating on system architecture and deploying updates.
More about 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 Software Developer jobs in O'Fallon, MO? For Software Developer jobs in O'Fallon, MO, the most frequently searched job titles are:
What cities near O'Fallon, MO are hiring for Software Developer jobs? Cities near O'Fallon, MO with the most Software Developer job openings:
Software Developer jobs near you
Infographic showing various Software Developer job openings in O'Fallon, MO as of July 2026, with employment types broken down into 85% Full Time, 3% Part Time, 1% Temporary, and 11% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution, with an average salary of $104,629 per year, or $50.3 per hour.
Software Engineer-Developer 4

Software Engineer-Developer 4

Indotronix International Corporation

Hazelwood, MO • On-site

$74.03/hr

Full-time

Posted 9 days ago

Job description

Software Engineer-Developer 4 | Hazelwood, Missouri, United States
Indotronix is seeking an :Software Engineer-Developer 4, Hazelwood, Missouri
Shift: First, 8AM to 3:30PM
(flexible as long as available during core hours)
Interview Information: single round, panel interview
Bachelors degree - Must
Active Secret Clearance - Required
Job Description:
We are seeking an experienced Senior Software Engineer / Team Lead to drive development and support of software applications in a secure environment. This role combines hands-on development with team leadership, requiring strong technical expertise, effective communication with stakeholders, and the ability to guide a small team of developers. The ideal candidate will contribute to system enhancements, troubleshoot issues, and lead innovation through modern tools and technologies.
Key Responsibilities:
Lead and manage a small team of software developers, providing technical guidance and support.
Collaborate with customer representatives and senior leadership to align development with business and program needs.
Handle user inquiries, troubleshoot technical issues, and analyze user feedback to improve system performance.
Design, develop, and maintain applications using VB.NET or C#.NET technologies.
Execute and document software research and development initiatives.
Implement modern tools, frameworks, and technologies to enhance software capabilities.
Develop and maintain database solutions using SQL or other relational databases.
Ensure code quality through unit testing using frameworks such as xUnit, NUnit, or MSTest.
Participate in Agile development processes and contribute to continuous improvement.
Basic Qualifications (Required Skills & Experience):
Active U.S. Secret Clearance with the ability to obtain TS/SCI.
8+ years of experience with VB.NET or C#.NET, including .NET Framework.
Strong experience working with SQL or relational databases.
Hands-on experience with unit testing frameworks such as xUnit, NUnit, or MSTest.
Proven ability to lead small development teams and manage technical deliverables.
Preferred Skills:
Experience working in Windows environments (Windows 10/11, Windows Server).
Knowledge of Windows desktop application development.
Familiarity with project management tools such as Azure DevOps or Jira.
Experience with CI/CD pipelines (Azure DevOps Pipelines or similar).
Understanding of microservices architecture and RESTful APIs.
Experience working in Agile environments.
Strong analytical and problem-solving skills or STEM background.
Experience with C++ is a plus.
Security+ certification or a degree in Computer Science or a related field is preferred.
Indotronix logo

About Indotronix

Sourced by ZipRecruiter

In 1986, Indotronix established itself in the staffing space. 22 years later, Avani entered the scene, offering consulting and technology development. Finally, in 2016, the two joined forces to begin delivering talent across all areas, from Staffing to Consulting to unique platform development.

Industry

Recruiting and staffing services

Company size

1,001 - 5,000 Employees

Headquarters location

Rochester, NY, US

View All Indotronix Jobs

Apply