98 applications developer jobs at 47 companies in Sparta, IL
5d
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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
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
4w
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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
4w
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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
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)
2d
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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
2w
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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
1w
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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
4d
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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
3w
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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
1w
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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
2w
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Junior Application Developer
Denver or St. Louis or Sterling or Springfield
$53k-$106k/yr OnsiteFull Time
0+ YOEBachelor's (or equivalent),0–3 years software development experience,Java and/or Python,web development and relational DB familiarity,TS/SCI clearance with polygraph,teamwork and problem-solving skills.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Git, CI/CD
2mo
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AI-Application Security Engineer
Saint Louis, Missouri, United States
OnsiteFull Time
2+ YOEBachelor's degree,2+ years information security or software development experience,knowledge of application and AI security,experience with SAST/DAST/SCA/API security,AWS,Python,C#,GitHub;CISSP/CSSLP/GIAC preferred.
C#, Angular, Python, AWS, GitHub, SAST, DAST, SCA, API, Mobile, AI Coding assistants, MCPs, CI/CD
1w
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Software Developer / Application & Web Support Lead
Scott Air Force Base, Illinois, United States
$110k-$140k/yr OnsiteFull Time
5+ YOE5+ years SharePoint Online/web application development and sustainment experience; DoDM 8140.03 and residential privileged access qualification; DCWF Work Role 212 or equivalent; Security+ / GSSP / CSSLP preferred; experience with Power Platform, Nintex, Java/Oracle, ColdFusion, .NET/SQL; 508 accessibility experience.
SharePoint Online, Microsoft Power Platform, Power Apps, Nintex, Java, Oracle, ColdFusion, .NET, SQL, Power BI
1w
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Service Application Engineer - Central (69301)
Cincinnati or Columbus or Parma or Fort Wayne or Indianapolis or Novi or Grand Rapids or Chicago or Appleton or Milwaukee or Duluth or Minneapolis or Kansas City or St. Louis or Des Moines
$108k-$158k/yr HybridFull Time
3+ YOEBachelor's in engineering or 7+ years field service/proposal experience in electrical services; 3+ years in application engineering/proposal development; unrestricted driver's license; able to work in US without sponsorship.
1mo
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Google Agentic AI Delivery Senior Engineer
Albany or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin 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-$266k/yr HybridFull Time
5+ YOE5+ years hands-on client-facing technology experience; 5+ years building cloud solutions (4 years on GCP); 3+ years with application modernization/Call Center AI/Agentic AI; experience with Vertex AI, Gemini, BigQuery, Terraform, CI/CD; Bachelor's in CS/Engineering or equivalent.
Vertex AI, Gemini, BigQuery, Terraform, CI/CD, GKE, Apigee, Google Cloud Platform (GCP), CES
1w
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ERP Application Developer
St. Louis, Missouri, United States
$100k-$120k/yr HybridFull Time
Hands-on X++ and Microsoft Dynamics 365 Finance & Supply Chain development experience, D365 deployment/support, Visual Studio, source control, strong problem-solving and communication skills; US work authorization required.
Microsoft Dynamics 365 Finance & Supply Chain, X++, Visual Studio, Power BI, Electronic Reporting, SSRS, Data Lake, Fabric, CodeX, Claude Code, C#, Javascript, T-SQL, WCF, Microsoft Outlook, Microsoft Excel, DevOps pipelines, MSFT Power Platform
1d
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Test Engineer - Mission Software (Top Secret/SCI Clearance Required)
Herndon or Alexandria or Chantilly or Englewood or Gaithersburg or Saint Louis or Tucson
OnsiteFull Time
Software testing experience across enterprise application lifecycles, automated test development, Agile and CI/CD experience, testing methodologies, defect tracking, and DevSecOps integration. U.S. citizenship required.
Playwright, Cypress, JavaScript, Python, CI/CD, DevSecOps
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