135 applications developer jobs at 74 companies in Barnhart, MO
18h
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Lead Applications Developer
Chesterfield, Missouri, United States
RemoteFull Time
8+ YOEBachelor's degree or equivalent experience; 8 years of relevant technical or business experience; software development lifecycle, code management, data warehouse, SQL, data modeling, and agile methodology experience.
SQL, Oracle, Linux/UNIX, IBM DataStage (Infosphere), Java, Spring, Agile, SCRUM, Kanban
1w
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Applications Engineer II- Solutions
St. Louis or Princeton or Hoffman Estates
OnsiteFull Time
3+ YOEBachelor's in engineering,3–7 years application/design engineering in automation or motion control,knowledge of motors/drives/gearing,CAD familiarity,strong analytical and communication skills.
CAD
1mo
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IBM i Developer — RPG / Business Applications
Sunset Hills, Missouri, United States
HybridFull Time
3+ YOE3+ years IBM i development experience with fully free-format RPG (RPGLE/SQLRPGLE), CL/CLLE, embedded SQL/DB2, ILE concepts, RDi or VS Code+Code4i, and familiarity with Jira; US work authorization required, no visa sponsorship.
ILE RPG, RPGLE, SQLRPGLE, CL, CLLE, Embedded SQL, DB2, RDi, VS Code, Code4i, Jira, Node.js, PHP, Python, PASE, X12, FTP, AS/400, iSeries, Power Systems
21h
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Information Technology Specialist (Applications Software)
Fresno or Washington or Jacksonville or Chamblee or Chamblee or Fairview Heights or Covington or Lanham or Detroit or Kansas City or Saint Louis or Holtsville or Philadelphia or Guaynabo or San Juan or Memphis or Austin or Austin or Farmers Branch or Ogden or Kearneysville
$126k-$193k/yr OnsiteFull Time
1+ YOEGS-14 applicants need one year of specialized GS-13-equivalent experience leading IT projects, designing secure full-stack and cloud applications, evaluating architecture, and applying modern software development practices.
Python, Java, JavaScript, TypeScript, .NET, Spring, React, Node, CI/CD, Application Programming Interface (API), infrastructure as code
1w
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Application Developer - JavaScript
Charlotte or Louisville or Minneapolis or Olympia or Philadelphia or Redlands or San Antonio or St. Louis or Vienna
$84k-$141k/yr OnsiteFull Time
2+ YOE2+ years web application development with JavaScript/TypeScript, experience with modern web frameworks, CI/CD, foundational cartography knowledge, bachelor's degree, and ability to travel up to 25–50%.
JavaScript, TypeScript, ArcGIS Maps SDK for JavaScript, React, Angular, Svelte, Vue, WebGL, ArcGIS Experience Builder, CI/CD
1mo
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Application Developer II
St. Louis, Missouri, United States
OnsiteFull Time
3+ YOE3+ years developing integrations and applications using iPaaS (Boomi/Mulesoft/Snaplogic), SQL, JSON/XML, modern stacks (.NET,C#/Node.js/TypeScript/Python/Ruby), DevSecOps practices and cloud platforms (AWS/Azure).
Boomi, Mulesoft, Snaplogic, SQL, JSON, XML, Palantir, .NET 6+, C#, Node.js, TypeScript, Python, Ruby, Ruby on Rails, Sinatra, ActiveRecord, CI/CD, DAST, SAST, SCA, Checkmarx, OWASP, GitHub, Snyk, Terrascan, Terraform, SFTP, PGP, AWS, Azure, Microsoft Office 365
1mo
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Application Developer II
St. Louis, Missouri, United States
OnsiteFull Time
3+ YOE3+ years experience with enterprise iPaaS (Boomi/Mulesoft/Snaplogic), strong SQL and API integration skills, JSON/XML knowledge, application development on modern stacks (.NET6+/C#, Node.js/TypeScript, Python, Ruby), DevSecOps familiarity, cloud and container experience, Agile.
Boomi, Mulesoft, Snaplogic, Palantir, .NET 6+, C#, Node.js, TypeScript, Python, Ruby, Ruby on Rails, Sinatra, ActiveRecord, SQL, JSON, XML, CI/CD, DAST, SAST, SCA, Checkmarx, OWASP, GitHub, Snyk, Terrasan, Terraform, SFTP, PGP, AWS, Azure, Microsoft Office 365
4d
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Software Developer
O'Fallon, Missouri, United States
$45k-$121k/yr OnsiteFull Time
3+ YOERequires 3–5 years of experience developing enterprise Java applications with Spring Boot, REST APIs, Angular, Node.js, microservices, cloud platforms, DevOps, and information security technologies.
Java, Spring Boot, REST APIs, Angular, HTML, CSS, JavaScript, jQuery, Node.js, AWS, Azure, PCF, Kubernetes, CI/CD, Splunk
1mo
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Sr. Application Developer - Legacy System Modernization
Bridgeton, Missouri, United States
OnsiteFull Time
5+ YOE5+ years application development experience, expert C#/.NET and COBOL legacy experience, Microsoft SQL Server, Azure DevOps/GitHub, CI/CD, AI-assisted development, and ability to modernize legacy systems.
C#, .NET, COBOL, SQL, Microsoft SQL Server, GitHub, GitHub Actions, Azure DevOps, HP NonStop, CI/CD
2mo
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Agentic AI Developer
O'Fallon, Illinois, United States
$99k-$225k/yr HybridFull Time
3+ YOE3+ years software development experience, Python, software design patterns, LLM application development, embeddings/vector DBs/semantic search, agent planning and AI safety knowledge, ability to obtain Secret clearance, Bachelor's degree.
Python, large language models, vector databases, Retrieval-Augmented Generation (RAG)
1d
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Full-Stack Developer
Plano or St. Louis or Charlottesville or Waco or Charleston or Little Rock or Lubbock or Cedar Rapids or Kansas City or Knoxville or Dallas or Roanoke or Lincoln or Charlotte or Waynesboro or Columbia or Albuquerque or Charleston or Raleigh
$86k-$100k/yr HybridFull Time
3+ YOEBachelor's degree in computer science, engineering, or equivalent; 3+ years designing complex solutions and database applications; SQL, full-stack development, Agile, XML, reporting, and technical documentation experience.
SQL, C#, JavaScript, CSS, Python, Microsoft Dynamics 365 Finance & Operations, ERP, SCRUM, XML
1w
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Senior Software Engineer Java
Hopkins or Irving or Earth City
$120k-$141k/yr HybridFull Time
5+ YOE5+ years Java development experience with Spring Boot, microservices, messaging, CI/CD, and enterprise application design; bachelor’s degree in CS or related field required.
Java, Spring Boot, Spring Cloud, Spring Security, Spring Data JPA, Kafka, JMS, Tibco EMS, ActiveMQ, SQL Server, Oracle, MySQL, Docker, Kubernetes, GitLab, Maven, JUnit, Mockito, SonarQube, Kibana, Splunk, DataDog, GitHub Copilot, AWS, Azure, JWT, OAuth2
5d
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Information Technology Specialist (Applications Software)
Scott Air Force Base, Illinois, United States
$109k-$142k/yr OnsiteFull Time
1+ YOEOne year of specialized experience equivalent to GS-12 in IT project management, software development, enterprise architecture, cybersecurity, contractor evaluation, and technical team leadership.
Agile, USAJOBS, USA Staffing, USA Hire, Electronic Questionnaire
3w
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Junior Application Developer
Denver or Springfield or Sterling or St. Louis
$53k-$106k/yr OnsiteFull Time
0+ YOEBachelor's or equivalent, 0–3 years development experience, experience with Java and/or Python, familiarity with web apps and relational databases, TS/SCI clearance with polygraph required.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Git, CI/CD, containerization
2w
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Junior Software Developer
St. Louis, Missouri, United States
$50k-$60k/yr OnsiteFull Time
Bachelor's in CS or related, proficiency in JavaScript, React.js, HTML, CSS, RESTful APIs, PostgreSQL, Git and Figma; experience building web/ERP applications; strong communication and problem-solving.
JavaScript, React.js, HTML, CSS, RESTful APIs, PostgreSQL, FastAPI, Git, Figma, CI/CD
1w
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Senior Full Stack Engineer
St. Louis or Alpharetta
HybridFull Time
5+ YOEBachelor's or equivalent,5-7 years software development experience building full-stack cloud-native applications; front-end and back-end expertise; cloud, containerization, IaC, CI/CD, SQL/NoSQL experience; Generative AI and AI-assisted development experience preferred; must have work authorization (no sponsorship).
GitHub Copilot, Gemini, Claude, ChatGPT, Llama, Java, Python, Node.js, React, Angular, Vue.js, HTML5, CSS3, TypeScript, Google Cloud Platform, GCP, AWS, Azure, Docker, Kubernetes, Terraform, CloudFormation, GitHub Actions, Jenkins, GitLab CI, Spanner DB, Alloy DB, PostgreSQL, MySQL, MongoDB, DynamoDB, Firestore, JIRA, Confluence, GitHub, Maven, Gradle, JUnit, Mockito, Playwright, Jasmine, Celenium
1mo
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AWS Full Stack Engineer
Springfield or Reston or Arnold
$99k-$225k/yr OnsiteFull Time
5+ YOE5+ years full-stack and enterprise application development; 2+ years AWS and IaC experience; proficiency with React/Vue, backend languages (Java, Python, Go, C++), JavaScript/TypeScript, containerization, and cloud-native patterns; TS/SCI clearance required.
React, Vue, Java, Python, Go, SQL, C++, JavaScript, TypeScript, HTML, CSS, AWS, ECS, Lambda, SQS, SNS, EC2, RDS, DynamoDB, IAM, AWS CDK, Terraform, CloudFormation, Docker, Kubernetes, MongoDB, API Gateway
4w
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Software Engineer–Developer, Phantom Works Weapons (Associate or Experienced)
Saint Charles or Saint Louis
$99k-$171k/yr OnsiteFull Time
1+ YOEAbility to obtain U.S. Secret clearance and U.S. Person status; Bachelor's degree or equivalent; 1+ years experience with C++, Python, C#, Linux, git; experience with software architecture and networked TCP/UDP applications.
C++, Python, C#, Linux, git
2w
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Software Developer / Application & Web Support Lead
Scott Air Force Base, Illinois, United States
OnsiteFull Time
5+ YOE5+ years SharePoint Online/web application development and sustainment; DCWF Work Role 212 proficiency; DoDM 8140.03 foundational qualification; final SECRET clearance; hands-on Power Platform, SharePoint Online, Nintex, Java/Oracle, ColdFusion, .NET/SQL; 508-compliant application delivery.
SharePoint Online, Microsoft Power Platform, Nintex, Java, Oracle, ColdFusion, .NET, SQL, Power BI
2mo
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Application Software Engineer (Experienced or Senior), Phantom Works
Berkeley, Missouri, United States
$127k-$217k/yr OnsiteFull Time
3+ YOEBachelor's degree; active U.S. Secret security clearance with ability to obtain Top Secret & Special Program Access; 3+ years experience in C++, C#, Linux, git, software architecture, and TCP/UDP networked applications.
C++, C#, Linux, git, TCP, UDP, CodeVue
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