10,000+ Software Engineer jobs in O'Fallon, ILSet Job AlertWant more jobs like this?We’ll send you jobs that match this search criteria. Get jobs in O'Fallon, IL delivered to your inbox every week.Enter emailSend me The Muse newsletters for the best in career advice and job search tips.Get Jobs!By signing up, you agree to our Terms of Service & Privacy Policy.Software EngineerAt Leidos -O'Fallon, ILPosted on Dec 19View JobSoftware Engineer IIIAt Edward Jones -St. Louis, MOPosted on Nov 28View JobLead Software Engineer - JavaAt Enterprise Mobility -St. Louis, MO / RemotePosted on Nov 27View Job2025 Summer Intern: Software EngineerAt Spectrum -St. Louis, MOPosted on Dec 3View JobSoftware Development Engineer I- NGAAt Esri -St. Louis, MOPosted on Dec 7View JobSenior Web Application DeveloperAt Siemens Digital Industries Software -St. Louis, MOPosted on Oct 25View JobSenior Systems EngineerAt World Wide Technology -O'Fallon, IL + 8 locationsPosted on Sep 23View JobSDN Software EngineerAt Leidos -O'Fallon, ILPosted on Oct 10View JobSoftware Engineer IVAt Edward Jones -St. Louis, MOPosted on Dec 19View JobSoftware Engineer IV- Oracle HCM DeveloperAt Spectrum -St. Louis, MOPosted on Dec 4View JobSDN Software EngineerAt Leidos -O'Fallon, ILPosted on Dec 17View JobSoftware Engineer IIIAt Edward Jones -St. Louis, MOPosted on Dec 19View Job2025 Summer Intern: Inside Plant EngineerAt Spectrum -St. Louis, MOPosted on Dec 3View JobSenior DevOps Software EngineerAt Leidos -O'Fallon, ILPosted on Oct 25View JobSenior Salesforce EngineerAt Edward Jones -St. Louis, MOPosted on Dec 6View JobMiddle GDATM Software EngineerAt Leidos -St. Louis, MOPosted on Dec 14View JobMiddle GDATM Software EngineerAt Leidos -St. Louis, MOPosted on Dec 14View JobData Driven Software DeveloperAt Leidos -O'Fallon, ILPosted on Oct 3View JobSystems Engineer / ArchitectAt Leidos -O'Fallon, ILPosted on Dec 12View JobData Driven Software DeveloperAt Leidos -O'Fallon, ILPosted on Dec 12View Job
