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

Eliassen Group

Senior Software Developer

Saint Louis, MO · On-site

$100 - $125/hr

Louis, MO Our client seeks a Senior Software Developer to support modernization and maintenance of a mission-critical enterprise application in AWS for the U.S. Treasury. The role requires full-stack ...

Rogers Electric

Project Engineer Intern

Saint Louis, MO · On-site

$16.25 - $21.25/hr

Project Engineering Intern - Full Circuit Internship Program Power Up Your Career with Rogers Who ... Use industry technology and construction-management software * Complete weekly deliverables as part ...

Rapsodo

Senior Software Developer

Saint Louis, MO · On-site

$53 - $70/hr

Powered by Athletes who get it, and Engineers who can do it. Role Purpose This role exists to be the connective tissue between cross-functional teams, translating complex system trade-offs into clear ...

Rapsodo

Senior Software Developer

Saint Louis, MO · On-site

$53 - $70/hr

Powered by Athletes who get it, and Engineers who can do it. Role Purpose This role exists to be the connective tissue between cross-functional teams, translating complex system trade-offs into clear ...

Rapsodo

Senior Software Developer

Saint Louis, MO · On-site

$53 - $70/hr

Powered by Athletes who get it, and Engineers who can do it. Role Purpose This role exists to be the connective tissue between cross-functional teams, translating complex system trade-offs into clear ...

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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 Sep 2, 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 key skills and qualifications needed to thrive as a software developer intern?

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.

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 are popular job titles related to Software Developer Intern jobs in O'Fallon, IL?

For Software Developer Intern jobs in O'Fallon, IL, the most frequently searched job titles 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 August 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.

Intermediate Software Developer

Decisionpoint Corporation

Scott Air Force Base, IL • On-site

$100K - $105K/yr

Other

Re-posted 2 days ago

Job description

Overview
Decision Point Corporation is looking for an Intermediate Software Developer to join our team supporting the Transportation Geospatial Information System (TGIS) at Scott AFB, IL.
This position is on a hybrid telecommute model with onsite work at Scott AFB.
Duties & Responsibilities
  • Participate in software design and code reviews to ensure delivery of quality products and enhance skillsets.
  • Write clean, maintainable code using object-oriented design patterns and solid principles
  • Develop comprehensive unit test suites with high code coverage using mocking frameworks (Moq, NSubstitute)
  • Support and enhance legacy .NET Framework applications while planning modernization strategies
  • Engage in application design process as a technical contributor.
  • Troubleshoot advanced production issues in collaboration with DevOps.
  • Stay up to date on advanced programming techniques and software technologies.
  • Contribute to investments and research that fuel innovation and technological advancements.
  • Document and communicate proposed software solutions with integrated, cross-functional Development team in a fast paced highly technical environment.
Qualifications
  • Ability to obtain active Secret security clearance required.
  • Associates degree with 2-5 years of relevant experience.
  • Security+ Certification required.
  • Ability to work on multiple projects and tasks simultaneously.
  • Experience in system integration is a plus.
  • Ability to convey technical ideas in a clear, logical fashion.
  • Ability to work independently and as part of a development team.
  • Experience with the Agile software development process in accordance with USG defined requirements.
  • Experience developing applications in .NET, C#, and C++
  • Experience developing in a Cloud environment.
  • Experience working with hybrid/remote development teams.
  • Ability to translate highly technical discussions into executable plans.
  • Ability to work on multiple projects and tasks simultaneously.
  • Experience in system integration is a plus.

Desired Skills:
  • Experience working on a GIS application.
  • Experience with Oracle.
  • Experience with AWS EC2.
  • Familiarity with basic server administration tasks.
  • Familiarity working with IA (Information Assurance) and QA.
  • Experience Developing in Java

Compensation: Anticipated salary range is $100,000.00-$105,000.00 per year.
Our Equal Employment Opportunity Policy
  • EEO and Affirmative Action Policy: DecisionPoint Corporation is an Equal Employment Opportunity and Affirmative Action employer. It is the policy of DecisionPoint Corporation to provide equal employment opportunity in accordance with all applicable Equal Employment Opportunity/Affirmative Action laws, directives and regulations to all employees and qualified applicants without regard to race, ethnicity, color, religion, national origin, sex, age, disability status, pregnancy, sexual orientation, gender identity, genetic information, protected veteran status, or any other protected status under Federal, State or Local laws.
  • Pay Transparency Policy: In accordance with Presidential Executive Order 13665, DecisionPoint Corporation will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information.
  • Authorization to Share Resume and Personal Information: By expressing your interest and submitting your resume for this position, you authorize DecisionPoint Corporation to share your resume, as well as personal information included on the resume, with its subsidiaries, affiliates and teaming partners for the purpose of considering you for this position and other available positions requiring comparable skills, education and experience. Should Skyepoint Decisions, Inc. or its affiliates and teaming partners wish to initiate pre-employment discussions, you will be asked to complete an employment application and related employment documents.

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