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Software Developer Intern Jobs in O Fallon, IL (NOW HIRING)

Solutions AEC LLC

Electrical Intern

Saint Louis, MO · On-site

$18 - $20/hr

Electrical Engineering Internship About Us: At Solutions AEC, we're a design-build engineering firm ... Utilizing design software (Revit and others) to produce electrical drawings * Supporting the ...

Goley Insulation

Project Engineer Intern

Dupo, IL

$15.50 - $20.25/hr

As a Project Engineer Intern, you will support our Preconstruction and Project Management Teams in ... Exposure to estimating software and industry best practices * Mentorship from experienced ...

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All JobsSoftware Developer Intern JobsSoftware Developer Intern Jobs in O'Fallon, IL

Software Developer Intern information

See O Fallon, IL salary details

$10

$21

$36

How much do software developer intern jobs pay per hour?

As of Jul 24, 2026, the average hourly pay for software developer intern in O'Fallon, IL is $21.36, according to ZipRecruiter salary data. Most workers in this role earn between $17.26 and $22.64 per hour, depending on experience, location, and employer.

What are the big 4 internships?

The Big 4 internships typically refer to summer internship programs at the four largest professional services firms: Deloitte, PricewaterhouseCoopers (PwC), Ernst & Young (EY), and KPMG. These internships are highly competitive and often serve as a pathway to full-time roles in consulting, audit, tax, and advisory services, requiring strong technical skills and professional certifications. For software developer interns, these firms may offer technology-focused roles emphasizing coding, data analysis, and cybersecurity.

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

To thrive as a Software Developer Intern, you need a solid understanding of programming fundamentals, problem-solving abilities, and coursework or experience in computer science or a related field. Familiarity with languages like Python, Java, or JavaScript, and exposure to development tools such as Git, version control systems, and IDEs are common requirements. Strong communication, eagerness to learn, and teamwork distinguish standout interns in collaborative environments. These skills and qualities are crucial for contributing effectively to projects, adapting quickly, and making the most of the internship experience.

Is a 3.0 GPA good for internships?

For a Software Developer Intern position, a 3.0 GPA is generally considered acceptable by many employers, especially when combined with relevant skills, projects, and coding experience. While some competitive internships may prefer higher GPAs, practical skills and a strong portfolio often weigh more in the hiring decision.

Is 23 an hour good for an internship?

For a Software Developer Intern, earning $23 an hour is generally considered competitive, especially for entry-level positions that may require basic programming skills and familiarity with tools like Git or IDEs. Intern wages vary by location and company, but this rate often exceeds minimum wage and reflects the value of technical skills gained during the internship.

What does a software developer intern do?

A software developer intern assists in designing, coding, testing, and debugging software applications under the supervision of experienced developers. They often work with programming languages like Java, Python, or C++, and may use development tools such as Git and IDEs to contribute to ongoing projects and gain practical experience in software development processes.

What kind of mentorship and learning opportunities can Software Developer Interns typically expect during their internship?

Software Developer Interns often benefit from structured mentorship programs, pairing them with experienced developers who provide guidance on technical tasks and offer feedback on code quality. Interns usually participate in team meetings, code reviews, and project planning sessions, which help them understand real-world software development workflows. Many organizations also encourage interns to attend internal workshops or training sessions to build their technical and soft skills. This collaborative environment not only accelerates learning but also allows interns to contribute meaningfully to ongoing projects.
What are the most commonly searched types of Software Developer jobs in O'Fallon, IL? The most popular types of Software Developer jobs in O'Fallon, IL are:
What cities near O'Fallon, IL are hiring for Software Developer Intern jobs? Cities near O'Fallon, IL with the most Software Developer Intern job openings:
Software Developer Intern jobs near you
Infographic showing various Software Developer Intern job openings in O'Fallon, IL as of July 2026, with employment types broken down into 50% Full Time, and 50% Part Time. Highlights an 50% In-person, and 50% Remote job distribution, with an average salary of $44,421 per year, or $21.4 per hour.
Senior Software Developer

Senior Software Developer

The Timberline Group

Saint Louis, MO • On-site, Remote

$53 - $70/hr

Full-time

Posted 23 days ago

Job description

Senior Software Developer(s) to design custom software solutions based on client requirements. This position will have a lead role in the development and enhancements of a large data management system. This will be an ongoing effort to replace and support the data management system as needs change by utilizing written Visual Basic with Java services and an Angular user interface. Individuals will apply advanced theoretical knowledge of computer science principles and concepts to perform the duties of the position. Job responsibilities and duties include:
1. Analyze and develop complex solutions based on this customer's needs.
2. Develop technical documentation.
3. Design screen layouts for high productivity.
4. Develop data management system user interface Angular, Ricola and JavaScript (including JSP, XML, HTML, and associated technologies) in an n-tier development environment.
5. Use GIT and SVN version control systems for code management.
6. Develop controls that call Rest based services to access back-end functionality.
7. Attend daily scrums.
8. Implement automated and manual code review and testing using state of the art quality control and testing processes.
This position has no direct reports and does not supervise the work of any other employees.
Minimum Requirements:
Master's degree in Computer Science, Information Technology, Software or Computer Engineering, or any related IT or Engineering field of study plus at least two (2) years of experience in the job offered or in any related position(s) in which the required experience was gained.
Qualified applicants must also have demonstrable proficiency, skill, experience, and knowledge with the following:
1. Demonstrated knowledge in object-oriented application development principles, theories, and concepts.
2. Development experience in Angular, JavaScript, XML, HTML, CSS, and associated technologies.
3. N-tier development environment.
4. Demonstrated experience working with end users to resolve business and technical issues with software.
5. Demonstrated experience analyzing complex business problems and translating to user interface designs.
6. Experience interfacing with REST & Web Services
7. Node.js or React.js

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