373 software development engineer jobs at 106 companies in O'Fallon, MO
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
Esri: Developing software for digital mapping and spatial data analysis.
1+ YOE1+ years JavaScript/TypeScript experience, bachelor's in CS/Math/GIS/STEM, strong OOP and software methodology knowledge, ability to maintain US security clearance, Python experience for geoprocessing preferred.
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
5+ YOEBachelor's degree, U.S. citizenship able to obtain U.S. security clearance, 5+ years OOP with C#, .NET, Java, SQL, HTML, CSS; 5+ years on Windows/Linux, containerized architectures (Docker/Podman/Kubernetes), Git, and cloud development.
MastercardNYSE: MA: Global payment processing and financial technology service provider.
Experience in software development and SDLC, strong Java proficiency, Git and CI/CD experience, familiarity with Agile, degree in CS/Engineering/IT or equivalent experience; experience with decisioning platforms preferred.
Java, Git, CI/CD, Jira, Confluence, Rally, Decision Management Program (DMP)
NidecTokyo Stock Exchange: 6594: Manufactures electric motors and electronic components for industrial applications.
Currently enrolled in a bachelor's program in software engineering, computer science, or similar; available 25–29 hours/week while attending school; support testing, development, assembly, and lab activities for software controls.
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEBachelor's in CS or related, 5+ years software development experience, Java and/or Python proficiency, experience with web frameworks and databases, TS/SCI clearance with polygraph required, Agile and secure coding experience.
Maritz: Provides business incentive, event, and loyalty management solutions.
4+ YOEBachelor’s degree or equivalent experience,4+ years relevant software engineering experience,knowledge of cloud platforms (AWS/GCP/OCI),web frameworks,OOP,secure coding,AI-assisted development tools,strong communication and problem-solving.
United States or Missouri or Austin or Boston or Chattanooga or Chicago or Dallas or Denver or Houston or Jefferson City or Kansas City or Los Angeles or Madison or Milwaukee or Minneapolis or Nashville or Oakland or Omaha or Phoenix or Providence or Springfield or Saint Louis or Washington
$105k-$237k/yrHybridFull Time
Husch Blackwell: A nationwide firm providing industry-focused legal and litigation services.
5+ YOEBachelor's in CS/related (or equivalent) and 5+ years enterprise app development/AI/cloud engineering experience; strong C#, .NET, Azure, AI implementation, CI/CD, and cloud-native backend skills.
C#, .NET Core, .NET 8, ASP.NET, Azure App Services, Azure Web Apps, Azure Functions, Durable Functions, Azure Service Bus, Azure SQL Database, Docker, Azure Application Insights, Azure DevOps, GitHub Actions, Git, Azure AI Foundry, Azure OpenAI, Copilot Studio, Entra ID
Seattle or St. Louis or Arlington or Ridley Park or Charleston or Mesa
$183k-$265k/yrHybridFull Time
BoeingNYSE: BA: Manufactures commercial and military aircraft, satellites, and defense systems.
10+ YOEBachelor's degree in a technical field and 10+ years developing software, data pipelines, and cloud-based data services; U.S. Person required for export control; drug testing and COI assessment apply.
Agile Defense: Provides IT modernization and cybersecurity for federal government agencies.
5+ YOEActive U.S. Top Secret/SCI clearance; 5+ years software development in VB.NET/C#.NET; SQL experience; unit testing; CompTIA Security+ or Computer Science degree.
EquifaxNew York Stock Exchange: EFX: Provides consumer credit reporting and data analytics services globally.
2+ YOEBachelor's degree or equivalent, 2+ years software development experience with Java, Python, and JavaScript; experience with cloud (GCP/AWS/Azure), build tools (Maven/Gradle), frontend (HTML/CSS), CI/CD, and AI-assisted coding tools (e.g., GitHub Copilot).
UNCOMN: A technology delivering secure software solutions for public and private sector clients.
2+ YOE2+ years software development experience, backend/REST API experience, Java and Azure familiarity, Agile/Jira experience, eligible for U.S. Secret clearance, strong communication and problem-solving skills.
Chicago or Creve Coeur or Seattle or United States
$117k-$171k/yrOnsiteFull Time
BayerFrankfurt Stock Exchange: BAYN: Global enterprise focused on healthcare and nutrition.
8+ YOEBS in CS or equivalent, 8+ years software/data engineering, expertise in distributed systems, cloud (AWS/GCP), streaming and messaging, containerization and CI/CD, mentoring and system design.