1mo
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Lead Software Test & Verification Engineer, Phantom Works
Berkeley or Saint Charles or Saint Louis
$127k-$171k/yr OnsiteFull Time
5+ YOEBachelor's degree, ability to obtain U.S. Secret clearance, 5+ years Agile software experience, 5+ years Python, experience with GoogleTest and CI/CD/DevSecOps, test automation and leadership experience.
Python, GoogleTest, DevSecOps, CI/CD, CodeVue
1mo
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Associate Software Engineer – Test & Verification
Hazelwood, Missouri, United States
$70k-$86k/yr OnsiteFull Time
1+ YOEBachelor's degree, active U.S. Secret clearance, ability to obtain TS/SCI, DoD 8140 foundational qualifications, 1+ years QA experience, proficiency with Python/JavaScript/PowerShell/.NET, Agile experience, test automation and Azure DevOps preferred.
.NET Framework, .NET 8, .NET 10, Python, JavaScript, PowerShell, Azure DevOps
3mo
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Lead Software Development Engineer in Test (Lead SDET)
O’Fallon, Missouri, United States
$140k-$231k/yr HybridFull Time
Extensive SDET/QA experience in large-scale, high-availability systems; strong C/C++ and test automation skills; Linux; CI/CD; leadership and mentoring required.
C, C++, Google Test, Linux, Shell Scripting, Git, CI/CD
2w
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Software Engineer
Chesterfield or Greenwood Village
$85k-$140k/yr HybridFull Time
2+ YOEBachelor's in CS or related, 2+ years software development experience, experience with C#/.NET, SQL Server, web fundamentals, Git, testing, and strong communication and problem-solving skills.
C#, .NET, SQL Server, HTML, CSS, JavaScript, Git, TypeScript, Angular, React, REST APIs, Azure DevOps, Azure, AWS, Application Insights, DataDog
1mo
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Software Engineer Co-Op
St. Louis, Missouri, United States
OnsitePart Time, Internship
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.
2mo
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C++ Software Engineer
St. Louis, Missouri, United States
OnsiteFull Time
2+ YOE2+ years C++ experience; OO design; full software life cycle; team collaboration; test-driven development.
C++, Linux, Python, Unix shell, JavaScript, Node.js
3mo
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Software Engineer III
St. Louis, Missouri, United States
OnsiteFull Time
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.
VB.NET, C#.NET, SQL, xUnit, nUnit, MSTest, Windows, Azure DevOps, Jira, CI/CD, RESTful APIs, C++
2w
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Sr. Software Engineer
O'Fallon, Missouri, United States
$100k-$110k/yr OnsiteFull Time
5+ YOEProven Java 8 experience with Spring Boot, Microservices, Angular JS, testing frameworks (JUnit, Mockito), cloud (PCF or Azure), Bachelor's degree, and 5+ years software development experience.
Java 8, Spring Boot, Microservices, Angular JS, JUnit, Mockito, PCF, Azure, Docker, Kubernetes, RESTful APIs, SQL, NoSQL
1w
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Software Developer II - Connect Service Software (Front End, Billing Software)
Cedar Rapids or Lake Saint Louis or Mandan
HybridFull Time
5+ YOE5+ years software development experience; proficiency with Angular/TypeScript, Java, RDBMS, automated testing, cloud and container technologies; bachelor's degree preferred.
Angular, TypeScript, Java, Postgres, Oracle, AWS, Kubernetes, Spring Boot, Kafka, Cassandra, Git, JIRA, Confluence, Bitbucket, Bamboo, generative AI
1mo
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Software Developer II - Provisioning (Full Stack, Front End)
Cedar Rapids or Lake Saint Louis or Mandan
HybridFull Time
5+ YOE5+ years software development experience; proficiency with Angular/TypeScript or GWT, Java, RDBMS/NoSQL, cloud stack (AWS, Kubernetes, Spring Boot, Kafka), Git and automated testing; bachelor’s degree preferred.
Angular, TypeScript, GWT, Java, Postgres, Oracle, MongoDB, AWS, Kubernetes, Spring Boot, Kafka, SSO, Cassandra, Git, JIRA, Confluence, Bitbucket, Bamboo, Claude Code, Augment, Jetbrains Junie, GitHub Copilot, Cursor, OpenAI Codex, Spark, Databricks, .NET, SQL
1w
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Full Stack Software Engineer
St. Louis or Fairfax
OnsiteFull Time
4+ YOERequires BS+4yrs or MS+2yrs, active Top Secret clearance (TS/SCI), 3+ yrs React and Python/C# experience, unit testing and CI with GitLab, strong communication and DevOps/Cloud experience.
AWS Lambda, EC2, AWS CloudFormation, C#, Java, JavaScript, TypeScript, Python, Shell, GitLab, Jira, Confluence, Redux, React, Node, NPM, Swashbuckle, REST API, Sass, Linux, Windows
2w
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Mid Software Engineer (SFA)
Saint Louis, Missouri, United States
OnsiteFull Time
5+ YOE5-7 years software development experience; proficiency in Python/Java/C#/Javascript; experience translating requirements, design, testing, deployment, database design, code reviews, and system integration. Active TS/SCI clearance and US citizenship required.
Python, Java, C#, Javascript
2w
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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
1mo
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SDC Java Software Developer---Staff/Analyst---St. Louis (St. Louis, MO, US, 63105)
St. Louis, Missouri, United States
$55k-$113k/yr HybridFull Time
1+ YOEBachelor's in CS or related, 1+ year software development experience, backend (Java/Python/Node.js), REST/APIs, cloud (AWS/Azure), microservices, frontend (React/Angular), CI/CD, Git, testing/TDD/BDD; willing to travel up to 50%.
Java, Python, Node.js, REST, NoSQL, Microservices, Serverless, AWS, Azure, React, Angular, Akka, Scala, Kafka, RabbitMQ, ElasticSearch, Hadoop, Spark, Flume, Mongo, Cassandra, Git, CI/CD, TDD, BDD, IaaS, PaaS
1mo
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Quality Engineer
Saint Louis, Missouri, United States
OnsiteFull Time
2+ YOE2+ years SDET/test engineering experience; proficiency in Python, JavaScript, or Java; experience with Selenium, Cypress, or Playwright; API testing (Postman/REST Assured); CI/CD integration; Agile experience and strong analytical/communication skills.
Python, JavaScript, Java, Selenium, Cypress, Playwright, CI/CD, Postman, REST Assured, JMeter, K6, LoadRunner, iOS, Android, AWS, Azure, GCP, Docker
1w
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Associate Engineer
Saint Louis, Missouri, United States
$66k-$101k/yr OnsiteFull Time
Bachelor's in engineering (or final-year student) required; valid state driver's license; ability to read engineering plans, use spreadsheets/design software, prepare technical reports; pass Non-D.O.T. drug test.
CMMS, IBM Maximo
1mo
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Systems/Controls Engineer II
Kirkwood, Missouri, United States
OnsiteFull Time
3+ YOEBachelor's degree in engineering or computer science (or equivalent experience), 3+ years engineering experience with software emphasis, software V&V and regression testing experience, ability to author and review SRS/SDS/SAD/test protocols, strong communication and organizational skills.
Microsoft Office, Aras PLM, D2, C/C++, C#, Python
2w
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Software Engineering Advisor- Hybrid
St. Louis, Missouri, United States
HybridFull Time
3+ YOEMaster’s degree in CS/CE (or Bachelor’s plus more experience),3+ years software engineering in PBM domain, expertise in Java/Spring Boot, ReactJS, Kafka, MongoDB, AWS/OpenShift, Boomi, Saviynt, GitHub, Node.js, testing and observability tools.
Java, Spring Boot, MongoDB, ReactJS, HTML5, XHTML, CSS3, JavaScript, jQuery, AJAX, JSON, Bootstrap, Apache Kafka, Boomi, Saviynt, GitHub, Node.js, NPM, Spring IoC, JUnit, Dynatrace, New Relic, SonarQube, AWS, OpenShift
1mo
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Systems Integration Testing Engineer
St Louis, Missouri, United States
$112k-$179k/yr OnsiteFull Time
6+ YOEMust hold Top Secret clearance and be willing to upgrade to TS/SCI with polygraph. BS in systems/electrical/physics/software engineering (or related) with 8 years' systems engineering experience (6 years with Master's). Experience in sensor imaging systems, test design, data verification, and strong written/oral communication required.
2mo
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Sr. Android Engineer (Tulsa, OK, US, 74101)
Tulsa or Dallas or Houston or Kansas City or Lincoln or Little Rock or Memphis or Oklahoma City or Phoenix or Salt Lake City or San Antonio or Springfield or St. Louis
OnsiteFull Time
8+ YOE8+ years software engineering; 3-5 years building production Android apps with Kotlin and Jetpack Compose; strong API, CI/CD, testing experience.
Kotlin, Jetpack Compose, AWS, REST APIs, JUnit, Espresso, Mockito, Firebase, New Relic, CircleCI, Fastlane, GitHub Copilot, Claude
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