East Saint Louis • 50 milesRemote · Hybrid · Onsite · Field · All Environments
East Saint Louis • 50 milesRemote · Hybrid · Onsite · Field · All Environments
East Saint Louis • 50 milesRemote · Hybrid · Onsite · Field · All Environments
East Saint Louis • 50 milesRemote · Hybrid · Onsite · Field · All Environments
3,660 developer jobs at 978 companies in East Saint Louis, IL
4w
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Developer
St Louis, Missouri, United States
OnsiteFull Time
5+ YOE5+ years software development experience, proficiency in full-stack OOP (C#, Java), relational databases, HTML/CSS/JavaScript and React, Git, RESTful API development, and Agile methodologies.
C#, Java, SQL, PostgreSQL, HTML, CSS, JavaScript, React, RESTful API, Git, Scrum, Kanban, Azure, AWS, CI/CD, DevOps
1mo
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Senior Developer
Sunset Hills, Missouri, United States
RemoteFull Time
5+ YOE5+ years professional software development, strong SQL and relational DB skills, experience building system integrations (APIs/EDI), ability to work with legacy code, clear communication, and security awareness.
SQL, RPG, IBM i, IBM Power Systems, EDI, X12, REST, JSON, APIs, ERP, Microsoft Azure, AWS
3mo
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Developer II
Saint Louis, Missouri, United States
OnsiteFull Time
2+ YOESoftware development experience with SDLC understanding; strong troubleshooting; proactive problem solving; team collaboration.
C#/.NET, Angular, AngularJS, TFS, Git, MS SQL Server, Microsoft Excel
3mo
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Senior Developer
St. Louis, Missouri, United States
OnsiteFull Time
8+ YOEBachelor’s or Master’s in CS/Engineering; 8+ years mobile development (Android/iOS); 3+ years Kotlin Multiplatform; strong architecture, KMP, and cross-platform data/UI design; CI/CD; device-connected apps; AI-assisted development experience.
Kotlin, Kotlin Multiplatform, Android, iOS, SwiftUI, Jetpack Compose, Gradle, CI/CD, Dependency Injection, BLE, Wi-Fi, TCP, KMP-iOS interoperability
1mo
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Senior Developer
St. Louis or United States
$106k-$133k/yr HybridFull Time
5+ YOEUS citizenship required; 5+ years development experience; strong IAM knowledge (OAuth, OpenID Connect, SAML); Go, PostgreSQL, RabbitMQ, OpenShift/Kubernetes, Git/GitHub, CI (Codefresh, GitHub Actions), observability (Prometheus, OpenTelemetry, Grafana); Okta experience preferred.
OAuth, OpenID Connect, SAML, Okta, REST, GraphQL, Go, PostgreSQL, RabbitMQ, OpenShift, Kubernetes, Git, GitHub, Codefresh, GitHub Actions, Prometheus, OpenTelemetry, Grafana, Splunk, Vue
3d
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MuleSoft Senior Technical Developer
Saint Louis or United States
$125k-$145k/yr OnsiteFull Time
4+ YOERequires 4+ years of software development and integration experience, 3+ years of MuleSoft development, consulting and client-facing experience, a bachelor's degree or equivalent, and MuleSoft Developer Certification.
MuleSoft Anypoint Platform, Mule 4, DataWeave, API Manager, Runtime Manager, CloudHub, JSON, XML, RAML, OAuth, Git, CI/CD, Agile, Scrum
1mo
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Software Developer Engineer (Experienced or Senior)
Hazelwood or Berkeley or Saint Louis
$127k-$217k/yr OnsiteFull Time
5+ YOEBachelor's degree, 5+ years full‑stack software development, U.S. person able to obtain U.S. Secret security clearance, experience with mission/safety‑critical systems, agile and leadership experience.
1mo
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Mulesoft Developer
St. Louis, Missouri, United States
HybridFull Time
2+ YOEBachelor's degree or equivalent experience; 2+ years with Java, Python, JavaScript, build tools, web development, software testing, and cloud technology such as GCP, AWS, or Azure.
MuleSoft, Java, Python, JavaScript, Maven, Gradle, HTML, CSS, GCP, AWS, Azure, Angular, Bootstrap, J2EE, Spring Boot, SOA, Microservices, SVN, Git, GitHub, Scrum, XP, SQL Server, MySQL, Jira, Confluence, JDK, JUnit, Selenium, LoadRunner, SoapUI
1mo
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Software Developer Engineer (Experienced or Senior)
Hazelwood or Berkeley or Saint Louis
$127k-$217k/yr OnsiteFull Time
5+ YOEBachelor's degree, 5+ years full stack software development, ability to obtain U.S. security clearance (Secret), experience with mission/safety-critical systems, agile experience, strong problem solving and leadership skills.
1mo
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Mulesoft Developer
St. Louis, Missouri, United States
HybridFull Time
2+ YOEBachelor's or equivalent,2+ years software development experience with Java, Python, JavaScript, build tools (Maven/Gradle), frontend (HTML/CSS), and cloud (GCP/AWS/Azure).
Mulesoft, Java, Python, Javascript, Maven, Gradle, HTML, CSS, GCP, AWS, Azure, Angular, Bootstrap, JAVA/J2EE, SpringBoot, SVN, Git, Github, JDK, SQL Server, MySQL, JIRA, Confluence, JUnit, Selenium, LoadRunner, SoapUI, Data Fabric, CSA Toolset
2d
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Software Developer
O'Fallon, Missouri, United States
$60k-$135k/yr OnsiteFull Time
5+ YOERequires 5–8 years of experience developing enterprise Java applications with Spring Boot, REST APIs, microservices, cloud platforms, DevOps, CI/CD, and information security technologies.
Java, Spring Boot, REST APIs, Microservices Architecture, Node.js, AWS, Azure, PCF, Kubernetes, DevOps, CI/CD, Splunk
5d
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Senior Software Developer
O'Fallon, Illinois, United States
$110k-$120k/yr OnsiteFull Time
Bachelor's degree, Java web development, DevSecOps pipeline experience, Secret clearance, and Security+ certification or ability to obtain it immediately after employment.
Java, HTML5, Angular, Spring, RHEL, SQL, Oracle RDBMS, JavaScript, XML, WebLogic, Tomcat, Gradle, Maven, Ant, Python, DevSecOps, Linux, Windows, Apache, Docker, Kubernetes, Git, Jenkins, Artifactory, BASH, Perl, PowerShell, Ansible, Puppet, Chef, Terraform, JUnit, Selenium, Cucumber, Cypress, SonarQube, Fortify, Splunk, React JS, PL/SQL, Kanban, SCRUM, SAFe, DevOps, Jira
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
1w
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Sr Engineer
St. Louis, Missouri, United States
OnsiteFull Time
3+ YOEBachelor's in CS or related, 3+ years software engineering experience, strong foundations in data structures/algorithms, proficiency with CI/CD debugging and development frameworks, strong communication skills.
CI/CD, iCIMS
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)
2w
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ServiceNow Developer
St Louis, Missouri, United States
OnsiteFull Time
5+ YOEHigh school diploma/GED,5+ years Full-Stack/HTML/CSS/JavaScript/Agile experience,3+ years ITSM development,ability to obtain ServiceNow CSA within 6 months,active Top-Secret clearance with ability to obtain TS/SCI CI Poly,pass background and drug screening.
ServiceNow, HTML, CSS, JavaScript, REST, SOAP, Microsoft Word, Microsoft Excel
2mo
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OneStream Senior Developer
Chicago or Milwaukee or Dallas or Columbus or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or Morristown or San Francisco or Boston or Denver or Philadelphia or Overland Park or Los Angeles or Charlotte or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Nashville or Detroit or San Diego
$63k-$183k/yr OnsiteFull Time
3+ YOE3+ years OneStream development, 2+ years VB.net or C# and Data Management, 3+ years reporting and leading technical workstreams; OneStream OCA (or willing to certify), Bachelor’s degree or equivalent.
OneStream XF, VB.net, C#, SQL, XML, Sensible AI, CPM Express, Oracle, Hyperion, Cognos TM1, SAP, Anaplan, Adaptive, Host Analytics
2w
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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
2w
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OneStream Senior Developer
Albany or Arlington or Atlanta or Austin or Bentonville or Boston or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Detroit or Hartford or Houston or Irving or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or United States
$63k-$219k/yr OnsiteFull Time
3+ YOE3+ MgmtRequires 3+ years OneStream development, 2+ years VB.NET or C# business rules and Data Management, 3+ years reporting, technical leadership, OneStream certification, and a bachelor's degree or equivalent.
OneStream XF, VB.NET, C#, SQL, XML, Sensible AI, CPM Express, Oracle, Hyperion, Cognos TM1, SAP, Anaplan, Adaptive, Host Analytics, AI/ML
2mo
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Agentic AI Developer
O'Fallon, Illinois, United States
$99k-$225k/yr OnsiteFull Time
3+ YOE3+ years software development experience, proficiency with Python, experience with large language models, embeddings, vector databases, AI agents, and ability to obtain a Secret security clearance; bachelor’s degree required.
Python, Retrieval-Augmented Generation (RAG)
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