18 software and engineer jobs at 8 companies in O'Fallon, IL
3w
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Senior Software Engineer and Consultant
Saint Louis, Missouri, United States
RemoteFull Time
5+ YOE5+ years .NET and SQL Server experience, T-SQL and JavaScript proficiency, strong OOP and relational database knowledge, debugging/testing skills; Bachelor\u0002s in CS preferred.
Microsoft .NET, Microsoft SQL Server, T-SQL, JavaScript, Blazor, jQuery, REST API, XML, EDI
2mo
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Software Developer (Mid Level or Senior), Autonomy and Mission Planning
Berkeley, Missouri, United States
$127k-$217k/yr OnsiteFull Time
5+ YOEBachelor's degree in engineering or related field; 5+ years software engineering; 3+ years C++; 2+ years autonomy/robotics software; 2+ years real-time software; 3+ years Agile; ability to obtain Secret clearance.
JIRA, GIT, Jenkins
2mo
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Software Developer (Mid Level or Senior), Autonomy and Mission Planning
Berkeley, Missouri, United States
OnsiteFull Time
5+ YOEBachelor's degree in engineering or 5+ years software engineering; Secret clearance; 3+ years C++; 2+ years autonomy/robotics; 2+ years real-time software; 3+ years Agile.
JIRA, Git, Jenkins, C++, Agile
1mo
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Senior Software Engineer - GoLang and Python
St. Louis or Missouri or Minnesota or Nebraska or Kansas or Iowa
$88k-$157k/yr OnsiteFull Time
Extensive experience with Python and Go, API design (REST,gRPC), GKE/GCP, microservices, CI/CD, DevOps, IaC (Terraform), SQL, Git, observability, messaging (Kafka, Pub/Sub), and integrating AI/MCP into systems.
Python, GoLang, REST, gRPC, Google Kubernetes Engine, Google Cloud Platform, Model Context Protocol (MCP), Datadog, OpenTelemetry, SQL, Git, GitHub, GitLab, Terraform, Apache Kafka, Google Pubsub, AWS SNS/SQS, Istio
1mo
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Test and Inspection Embedded Software Engineer (Experienced or Senior)
Hazelwood or Berkeley or Saint Louis
$127k-$217k/yr OnsiteFull Time
5+ YOEBachelor's degree, ability to obtain U.S. security clearance (Secret), 5+ years embedded software experience and 5+ years programming in C/C++/C#, experience with test/NDI equipment, GitLab and CI/CD, automation and robotics preferred.
C, C++, C#, Assembly, Ladder Logic, Numerical Control (NC) Programming, Matlab, GitLab, CI/CD, Windows, TCP/IP, FTP, XML, WAP, ARINC429, MS1553, CodeVue
1mo
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Test and Inspection Embedded Software Engineer (Experienced or Senior)
Hazelwood or Berkeley or Saint Louis
$127k-$217k/yr OnsiteFull Time
5+ YOEBachelor's degree, 5+ years embedded software development and 5+ years programming in C/C++/C#, ability to obtain U.S. security clearance (Secret), GitLab CI/CD experience, familiarity with lab/test equipment, robotics, LIDAR/ultrasound, and test automation.
C++, C#, C, Assembly, Ladder Logic, Numerical Control (NC) Programming, MATLAB, GitLab, CI/CD, DevSecOps, Windows, TCP/IP, FTP, XML, WAP, ARINC429, MS1553, CodeVue
21h
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Flight Simulation Software Engineers (Associate, Experienced, and Senior)
Berkeley, Missouri, United States
$94k-$217k/yr OnsiteFull Time
2+ YOEBachelor's degree, 2+ years of software engineering and programming experience in C, C++, C#, Python, Java, or Ada; ability to obtain U.S. Secret clearance and U.S. citizenship required.
C, C++, C#, Python, Java, Ada, Jira
6d
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Associate and Mid-Level Software Engineers
Berkeley, Missouri, United States
$99k-$171k/yr OnsiteFull Time
2+ YOEAbility to obtain U.S. security clearance, bachelor's degree, 2+ years DevSecOps/CI/CD experience, cloud and containerization proficiency, IaC (Terraform/Bicep/ARM), and observability tooling knowledge.
Azure, AWS, Google Cloud, Docker, Kubernetes, Terraform, Ansible, Bicep, ARM, Rancher, Prometheus, Grafana, ELK/EFK, Datadog, GitLab CI, GitHub Actions, Jenkins, Azure DevOps, Python, Bash, PowerShell, HashiCorp Vault, Azure Key Vault, Argo CD, Flux, Istio, Linkerd
6d
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Associate and Mid-Level Software Engineers
Berkeley, Missouri, United States
$99k-$171k/yr OnsiteFull Time
2+ YOEU.S. person able to obtain U.S. security clearance, bachelor’s degree, 2+ years DevSecOps/CI/CD experience, cloud and containerization experience, IaC (Terraform/Bicep/ARM), observability and scripting skills.
Azure, AWS, Google Cloud, Docker, Kubernetes, Terraform, Ansible, Bicep, ARM, Rancher, Prometheus, Grafana, ELK, EFK, Datadog, GitLab CI, GitHub Actions, Jenkins, Azure DevOps, Python, Bash, PowerShell, HashiCorp Vault, Azure Key Vault, Argo CD, Flux, Istio, Linkerd
1d
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Associate and Mid-Level Software Engineers
Berkeley, Missouri, United States
$99k-$171k/yr OnsiteFull Time
2+ YOEBachelor's degree and 2+ years of DevSecOps and CI/CD experience. Requires cloud, containers, Kubernetes, Infrastructure as Code, observability tools, U.S. citizenship, and ability to obtain Secret clearance and program access.
Microsoft Azure, AWS, Google Cloud, Terraform, Ansible, Docker, Kubernetes, Rancher, Prometheus, Grafana, ELK, EFK, Datadog, GitLab CI, GitHub Actions, Jenkins, Azure DevOps, Python, Bash, PowerShell, EKS, AKS, GKE, HashiCorp Vault, Azure Key Vault, Argo CD, Flux, Istio, Linkerd, Bicep, ARM
1mo
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Analysis, Integration, and Test Engineer
Berkeley or St. Louis
$92k-$124k/yr OnsiteFull Time
3+ YOEBachelor's degree in a related technical field, 3+ years related experience, active U.S. Secret security clearance required, ability to analyze, integrate and test hardware/software systems.
3mo
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Lift and Rigging Engineer Manager - Construction (Creve Coeur, MO, US)
Creve Coeur, Missouri, United States
OnsiteFull Time
6+ YOEBachelor's in engineering; 6+ years construction experience; PE license; extensive lifting/ridging experience; proficient with lifting software and CAD; strong leadership and safety/regulatory knowledge.
CAD, lifting simulation software
1mo
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Raytracing Compiler Engineer - Developer and Performance Technology
Santa Clara or St. Louis or Salt Lake City or Texas or Oregon or Massachusetts
$224k-$431k/yr HybridFull Time
12+ YOE12+ years compiler development experience including 3+ years with LLVM code generation, strong C++ skills, expertise in instruction scheduling, register allocation, performance analysis, and a B.S. in CS/Engineering or equivalent experience.
LLVM, LLVM IR, C++, CUDA, DirectX, OpenGL, Vulkan, OptiX
1mo
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Raytracing Compiler Engineer - Developer and Performance Technology
Santa Clara or Texas or Oregon or St. Louis or Massachusetts or Salt Lake City
$224k-$431k/yr HybridFull Time
12+ YOEB.S. in CS/Engineering or equivalent; 12+ years compiler development experience including 3+ years with LLVM; expertise in LLVM code generation, C++, compiler design, and performance analysis.
LLVM, LLVM IR, C++, CUDA, DirectX, OpenGL/Vulkan, OptiX
1mo
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Senior Engineer I, Cybersecurity Advanced Consulting and Engineering Solutions
Buffalo or St. Louis
$102k-$152k/yr HybridFull Time
5+ YOEBS in engineering or related field, 5+ years in industrial controls/automation/embedded software, 2–3 years in Secure Development Lifecycle domains, PLC programming (FBD, ST, LD), Git/GitHub, C/C++, Python, experience with Modbus/BACnet/SNMP/Redfish, strong troubleshooting and communication.
Git, GitHub, C, C++, Python, C.suite/1Tool (Carel), Modicon, Schneider EcoStruxure, Modbus, BACnet, SNMP, Redfish, PLC
1mo
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Engineer IV, Client Products and Services Portfolio
St. Louis or Tempe
HybridFull Time
5+ YOE5+ years web application development experience; proficiency with Spring, REST, React, JavaScript/jQuery, Thymeleaf, JPA, Kubernetes, JUnit, Selenium, SoapUI; familiarity with Kafka, MongoDB, Oracle DB, MS SQL, Linux; DevOps/CI/CD/Agile beneficial; tech lead and mentoring experience.
Spring, REST, React, JavaScript, jQuery, Thymeleaf, JPA, Kubernetes, JUnit, Selenium, SoapUI, Kafka, MongoDB, Oracle DB, Spring Boot, MS SQL, Linux, CI/CD, DevOps, Agile
1mo
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Supply Chain and Engineering– Software Defined Vehicle (SDV) Go-To-Market, Senior Manager / Associate Director
Austin or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York or Cleveland or Oklahoma City or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$123k-$271k/yr HybridFull Time
12+ YOE8+ Mgmt12+ years in consulting, engineering, or industry; 8+ years in solution shaping and delivery leadership; deep SDV/digital engineering domain knowledge; experience with OEMs/Tier1s; bachelor’s required.
1mo
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Tech Product & Offering Dev Manager
New York City or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$225k/yr HybridFull Time
5+ YOE5+ years in AI/ML/automation or software engineering, 5+ years Python and APIs/automation frameworks experience, 2+ years deploying AI/ML to production, bachelor’s degree or equivalent, experience with cloud/distributed systems and GenAI preferred.
Python, APIs, automation frameworks, data pipelines, GenAI, LLMs
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