Software engineer jobs in O'Fallon, IL and nearby
Software engineer jobs within 25 miles of O'Fallon, IL. Nearby towns and cities are included. Distances are straight-line, not driving distances.
Counted
Hiring at a glance
View jobs- Open jobs
- 113
- Employers
- 60
Advertised starting pay
Not enough comparable pay figures yet.
Employer-advertised starting pay, not employee salaries. Currencies and pay periods stay separate.
Where work happens
- Remote
- 0%0 listings
- Hybrid
- 5%6 listings
- On-site
- 19%21 listings
Not specified: 76% (86 listings)
Employers hiring include LEIDOS, INC. (8), Deloitte US (7), The Boeing Company (6).
Sources & calculation notes
These figures describe the listings on this role page at the date shown, not the whole job market. Listings can change.
Employer-listed minimums from at least 10 listings per currency and pay period. These are advertised starting amounts, not employee salaries. Jobs without a minimum and unusual amounts are excluded.
Hybrid and on-site classifications may be inferred from descriptions. Check the original ad. How we count
About these jobs
Before you apply
Look at the required languages, systems and experience in each ad. Job Bank describes typical education and programming experience for this occupation. A junior title does not mean every employer accepts applicants without experience. Job Bank / Guichet-Emplois.
Guidance reviewed on September 16, 2026.
Based on the dated count above. Listings can change. How we count
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Cloud Engineer
Peraton
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Software Engineer
Actalent
Job Title: Software EngineerJob DescriptionThis role focuses on designing and building a real-time data ecosystem that integrates high-speed sensor, telemetry, and video data. You will help…
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Senior Software Engineer (Tinker AFB, OK) 1
Serco USA
If you want to work on a cutting-edge Air Force program, Serco has a great opportunity for you! As a Senior Level Software Engineer, you will be supporting the Special Programs Division…
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Associate Software Engineer
The Boeing Company
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Associate Software Engineer
The Boeing Company
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Senior Software Engineer
Levi, Ray & Shoup, Inc.
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Cloud Engineer
General Dynamics Information Technology
Transform technology into opportunity as a Cloud Engineer with GDIT. A career in enterprise IT means connecting and enhancing the sy
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Senior Software Engineer - Java/Spring/API
Enterprise Mobility
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JAVA Software Engineer
ManpowerGroup
Our client, a leader in enterprise technology solutions, is seeking a Senior Software Engineer to join their team. As a Senior Software Engineer, you will be part of the development and…
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Senior Software Engineer - Java
Enterprise Mobility
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Cloud Engineer Senior
General Dynamics Information Technology
Deliver simple solutions to complex problems as a Cloud Engineer, Sr. at GDIT. Here, you’ll tailor cutting-edge solutions to the unique requirements of our clients. With a car
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Cloud Engineer, Jr.
General Dynamics Information Technology
Deliver simple solutions to complex problems as a Cloud Engineer, Jr. at GDIT. Here, you’ll tailor cutting-edge solutions to the unique requirements of our clients. With a car
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Software Engineer V #26-26194
US Tech Solutions
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Senior Software Engineer / .NET Core / Angular
Kelly Services
A growing technology focused organization is looking for a Senior Software Engineer to join its engineering team and help build and enhance a highly scalable software platform. This full…
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Platform Cloud Engineer
Strategic Staffing Solutions
We are seeking a Senior Infrastructure Engineer to design, implement, and support highly available enterprise infrastructure across Windows, virtualization, identity, backup, and hybrid…
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Senior AI Platform Backend Engineer
Strategic Staffing Solutions
Strategic Staffing Solutions is currently looking for a Senior AI Platform Backend Engineer, a W2 contract opportunity.
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Senior AI Platform Backend Engineer
Strategic Staffing Solutions
Strategic Staffing Solutions is currently looking for a Senior AI Platform Backend Engineer, a W2 contract opportunity.
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Platform Cloud Engineer
Strategic Staffing Solutions
We are seeking a Senior Infrastructure Engineer to design, implement, and support highly available enterprise infrastructure across Windows, virtualization, identity, backup, and hybrid…
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Senior Software Engineer - Java/SQL
Enterprise Holdings
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Azure Cloud Engineer
IQUASAR LLC
iQuasar is seeking to fill in an Azure Cloud Engineer. At iQuasar we strive to provide the next generation of cutting-edge technologies. Our growth means exciting career opportunities for…
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Software Architect ( Full-Time ) St. Louis, MO - DK
Central Business Solutions, Inc
An experienced Software Architect is needed to support advanced technology initiatives within a secure, mission-driven environment. This role focuses on designing and guiding the…
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Software Architect .Net
The Timberline Group
The Software Architect will be an important and influential member of the IT Development Team. The person will need superior expertise gained from extensive experience and industry research…
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C# Software Architect
The Timberline Group
The Software Architect will be an important and influential member of the IT Development Team. The person will need superior expertise gained from extensive experience and industry research…