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.
1mo
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Software Engineer - Intermediate
St. Louis, Missouri, United States
HybridFull Time
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).
GitHub Copilot, Java, Python, JavaScript, Maven, Gradle, HTML, CSS, JUnit, Git, GitHub, Jenkins, Atlassian, Java 17, Spring Boot, GCP, AWS, Azure, CI/CD, Microservices, Data Fabric, CSA Toolset
1mo
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Junior Software Engineer
Denver or Springfield or Sterling or St. Louis
$69k-$142k/yr OnsiteFull Time
0+ YOEBachelor's in CS or related, 0–3 years software development experience, Java and/or Python, web app and relational DB familiarity, Agile/SDLC knowledge, strong problem solving, TS/SCI clearance with polygraph.
Java, Python, GIS, ArcGIS, GeoServer, OpenLayers, Cesium
1w
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Software Developer 2 (Associate)
O'Fallon, Illinois, United States
HybridFull Time
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.
Java, Microsoft Azure, RESTful APIs, Jira
1mo
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Software Development Engineer I
St. Louis, Missouri, United States
$76k-$129k/yr OnsiteFull Time
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.
JavaScript, TypeScript, Python, HTML, CSS, Swift, Kotlin, ReactJS, Vue, Svelte, GIS, REST Web services, SQL, SQL Server, PostgreSQL, Oracle
4w
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Scott AFB UPP Software Developer
Scott Air Force Base, Illinois, United States
$25/hr HybridPart Time
Pursuing a bachelor's (rising senior) or master's in computer science/software/data/math; U.S. citizen eligible for Secret clearance; professor recommendation; ability to commute to Scott AFB; coding, debugging, DB/API skills; preferred knowledge of R, Python, SQL, JavaScript; Microsoft Office proficiency.
R, Python, SQL, JavaScript, Microsoft Office
2w
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Software Engineer IV – ERP Finance (Oracle/PLSQL)
Saint Louis, Missouri, United States
HybridFull Time
2+ YOE2+ years Oracle and PL/SQL experience; ERP/financial systems development, software lifecycle knowledge, cloud/native and API familiarity, strong communication and problem-solving skills.
Oracle, PL/SQL, Java, Spring, API Gateway, AWS
1mo
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Mid Software Developer
O'Fallon, Illinois, United States
OnsiteFull Time
2+ YOEMinimum 2 years relevant experience (or HS/GED +6 yrs); experience with AWS (S3, EC2, Lambda), Python, shell scripting, TypeScript, Node.js/Express, ASP.NET Core, C#, Postgres, Kubernetes, Docker, .NET Core, Linux, React, Java, and SQL; AWS Developer certification and TS/SCI clearance preferred; must pass background and drug screening.
Amazon S3, EC2, Lambda, AWS SDK API tools, RDS, Python, Python Flask, Bash, TypeScript, Node.js/Express, ASP.NET Core Web API, Swagger (OpenAPI), C#, Postgres, Kubernetes, Docker, .NET Core, Linux, React, JavaScript, Java, SQL, Gitlab/DevOps, ESRI, Microsoft Word, Microsoft Excel, Microsoft Office
1mo
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Associate Software Engineer
Hazelwood, Missouri, United States
$82k-$105k/yr OnsiteFull Time
1+ YOEBachelor's degree, active U.S. Secret clearance (U.S. citizenship required), DoD 8140 foundational qualifications, 1+ years experience with VB/C#/ .NET and SQL; familiarity with EM/CI-CD, web services, and Windows environments.
VB, C#, .NET, .NET Framework, .NET Framework (WinForms), SQL, SOAP, REST, Microsoft Windows 10, Microsoft Windows 11, Microsoft Windows Server, Microsoft Azure DevOps, Microsoft Azure DevOps Pipelines, Jira, xUnit, jUnit, nUnit, MS Test, C++, Agile
1mo
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Associate Software Engineer
Hazelwood, Missouri, United States
$82k-$105k/yr OnsiteFull Time
1+ YOEBachelor's degree, active U.S. Secret clearance, DoD 8140 foundational qualifications, 1+ year experience with VB/C#/ .NET and SQL, EMR not required. Ability to obtain TS/SCI; strong analytical and communication skills.
VB, C#, .NET, .NET Framework, SQL, WinForms, SOAP, REST, Windows 10/11, Windows Server, Azure DevOps, Jira, Azure DevOps Pipelines, CI/CD, xUnit, jUnit, nUnit, MS Test, C++
1mo
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Junior Software Engineer
Denver or St. Louis or Sterling or Springfield
$69k-$142k/yr OnsiteFull Time
0+ YOEBachelor's in CS/Software/IS required; 0–3 years software development experience; experience with Java and/or Python; familiarity with web development, relational databases, SDLC/Agile; TS/SCI clearance with polygraph; up to 10% travel.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium
3mo
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Test Engineer (Entry-Level)
Scott AFB or United States
OnsiteFull Time
2+ YOEEntry-level Test Engineer; 0–2+ years experience; active Secret clearance; IAT Level II (Security+ CE); basic SDLC; strong communication.
Jira, Java, Angular, APIs, SQL
3mo
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AI Developer (Entry Level)
Charlotte or Dallas or Jersey City or Pennington or St Louis or Georgia or Missouri or New Jersey or North Carolina
$68k-$74k/yr OnsiteFull Time
Recent STEM master's graduate preferred (3.0+ GPA); strong communication, analytical and problem-solving skills; ability to design, code, test, and document software; familiarity with programming, cloud applications, and GenAI concepts is a plus.
1mo
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Software Engineer, Senior (Hazelwood, MO, US, 63042)
Hazelwood, Missouri, United States
OnsiteFull Time
2+ YOEBachelor's in a technical field (or equivalent) with ≥2 years related experience; strong SDLC, Agile/Waterfall, Azure DevOps, Visual Studio, Git, Python/bash/PowerShell/Perl, and advanced math skills; may require security clearance and U.S. Person status.
Microsoft Azure DevOps, Microsoft Visual Studio, Git, bash, PowerShell, Python, Perl
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
1w
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Entry-Level Connector Developer
Saint Louis, Missouri, United States
OnsitePart Time
Bachelor's degree or equivalent, proficiency in C#/.NET and object-oriented languages, SQL and REST APIs, experience with JSON/XML, strong problem-solving and communication skills.
C#, .NET, REST, SQL, JSON, XML, CSV, Postman, Git, GitHub, Azure DevOps, CI/CD, HTML, CSS, JavaScript, Java, Python
2mo
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Freelancer Software Tester (United States)
Palm Springs or Westchester County or Kansas City or St. Louis or Jacksonville or Charleston or Omaha or Providence or Long Beach or Windsor Locks or Milwaukee
$18/hr FieldContract
Must live within a 2-hour drive of a target airport in the U.S., have an iOS or Android mobile device, be available for a one-day 8–10 hour on-site test, and be able to record screen, take photos, and complete a survey.
iOS, Android
1w
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Entry Level Civil Engineer
Detroit or Cleveland or Maumee or Chicago or Champaign or Rockford or Freeport or Rochelle or Schaumburg or Aurora or New York or New Jersey or East Berlin or Belleville or Hartford or Providence or Boston
$65k-$95k/yr HybridFull Time
0+ YOEBachelor's in civil/structural/environmental/urban planning or related field,0–4 years experience,proficiency with Microsoft Office and design software,ability to read engineering plans,EIT or PE pursuit preferred.
AutoCAD, Civil 3D, Revit, GIS, Microsoft Office
3w
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Performance Engineer Intern, Systems Software- Fall 2026
St. Louis, Missouri, United States
$20-$71/hr OnsiteFull Time, Internship
Enrolled in a Bachelor's in CS/CE/SE or related; experience with Python and Linux; familiarity with ML lifecycle; teamwork and CS fundamentals; interest in performance benchmarking and containers.
Python, Linux, PyTorch, CUDA, cuOPT, CUTLASS, cuDNN, Kubernetes, Slurm
3w
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Performance Engineer Intern, Systems Software- Fall 2026
St. Louis, Missouri, United States
$20-$71/hr OnsiteFull Time, Internship
Enrolled in a Bachelor's in CS/CE or related; experience with Python and Linux CLI; familiarity with ML lifecycle, teamwork, and interest in performance benchmarking and GPU-accelerated workloads.
Python, Linux, PyTorch, CUDA, cuOPT, CUTLASS, cuDNN, Kubernetes, Slurm