399 java developer jobs at 72 companies in O'Fallon, IL
Java Engineer
Coppell or Costa Mesa or St. Louis +1 more
HybridFull Time
Bachelor's degree or equivalent in Computer Science, Information Systems, or Software Engineering; fluency in Java, Struts, MVC, JavaScript, JSP, HTML, Angular; experience with SDLC best practices, mission-critical systems, and Agile/Scrum with Jira.
Java, Angular, Struts, MVC, JavaScript, JSP, HTML, Jira
Tech Consultant - Senior Java Full-Stack Engineer
Arlington or New York City or St. Louis
HybridFull Time, Contract
5+ YOE5+ years Java/J2EE, Spring Boot, enterprise development; 4+ years microservices, REST APIs; 3+ years React/Angular, JavaScript/TypeScript, HTML, CSS; 3+ years AWS; 6+ years overall experience.
Java, Spring Boot, Spring Framework, JPA/Hibernate, React, Angular, JavaScript, TypeScript, HTML5, CSS3, Microservices, REST APIs, AWS, EC2, S3, Lambda, API Gateway, RDS, EKS/ECS, CloudWatch, IAM, Oracle, PostgreSQL, MySQL, Kafka, SQS, SNS, Docker, Kubernetes, Amazon EKS, Git, Jenkins, GitHub Actions, GitLab CI, JUnit, Mockito, Terraform, AWS CloudFormation, Splunk, Dynatrace, Datadog
Software Developer - SmartHub (Angular, Java)
Cedar Rapids or Lake Saint Louis or Mandan
HybridFull Time
1+ YOE1+ years software development experience; proficiency with Angular, TypeScript or GWT; Java or OOP experience; RDBMS (Postgres, Oracle); cloud stack (AWS, Kubernetes, Spring Boot, Kafka, SSO, Cassandra); automated testing; Git; JIRA, Confluence, Bitbucket, Bamboo; agentic AI coding tools.
Angular, TypeScript, GWT, Java, Postgres, Oracle, AWS, Kubernetes, Spring Boot, Kafka, SSO, Cassandra, Git, JIRA, Confluence, Bitbucket, Bamboo, Claude Code, Augment, Jetbrains Junie, Github Copilot, Cursor, OpenAI Codex
Senior Software Engineer - Java/SQL
St. Louis, Missouri, United States +1 more
HybridFull Time
3+ YOE3+ years Java development, 2+ years with Spring/Hibernate/Struts, 2+ years SQL (Oracle, PostgreSQL, DynamoDB, MongoDB), middleware (WebLogic, Tomcat), enterprise systems, U.S. work authorization without sponsorship, reside in St. Louis area.
Java, Spring, Hibernate, Struts, SQL, Oracle, PostgreSQL, DynamoDB, MongoDB, WebLogic, Tomcat, JavaScript, TypeScript, JIRA, Confluence, Jenkins, SOAP, REST, JUnit, Mockito, EasyMock, Postman, AWS, Azure, IBM, C, Pro-C
Senior Software Engineer - Java
O'Fallon, Missouri, United States
$115k-$184k/yr HybridFull Time
Extensive experience as a software engineer; strong Java, Spring Boot, REST APIs, microservices, React/Angular, SQL, cloud (Azure/AWS), Docker, Kubernetes; bachelor's degree in computer science or related STEM or equivalent experience.
Java, Spring Boot, Spring Framework, React, Angular, TypeScript, JavaScript, SQL, PostgreSQL, Oracle, SQL Server, Kafka, JSON, XML, Docker, Kubernetes, Azure, AWS, GitHub, CI/CD, JPA, Hibernate, HTML5, CSS3
Senior Software Engineer - Python/Java
St. Louis, Missouri, United States
HybridFull Time
Solid experience with Java and Python on Linux and real-time systems; IP-based protocols; unit testing; search technology like Elasticsearch; cloud infrastructure and container orchestration; strong problem-solving and communication skills.
Java, Python, Linux, TCP/IP, UDP, HTTPS, Elasticsearch, GitLab CI/CD, Kubernetes, Terraform, GitHub Copilot, NewsMLG2
Lead Developer
United States or St. Louis
$123k-$154k/yr RemoteFull Time
10+ YOEBachelor's or master's degree preferred, or equivalent experience; 10+ years in application development. Requires JavaScript, Node.js, Vue.js, Java, Spring Boot, Python, RESTful APIs, Oracle, MongoDB, CI/CD, and AI coding tools.
JavaScript, Node.js, Vue.js, Java, Spring Boot, Python, RESTful API, Oracle, MongoDB, Solr, Kafka, Splunk, Prometheus, Grafana, Oracle E-Business Suite (EBS), Claude, Devin, GitHub Copilot
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
Engineer III- Technology
Tempe or St. Louis
HybridFull Time
5+ YOEBachelor's degree in computer science, MIS, or related field or equivalent experience; 5+ years Java software development and enterprise application engineering; expertise in Java web development, SQL/NoSQL databases including MongoDB and Oracle.
Java, SQL, NoSQL, MongoDB, Oracle, Azure, AWS, Kubernetes, Databricks
Software Engineer
Denver or Springfield or St. Louis or Sterling
$82k-$172k/yr OnsiteFull Time
5+ YOEBachelor's degree in a technical discipline, 5+ years of software development experience, Java or Python, web applications, databases, Agile, secure development, and TS/SCI clearance with polygraph.
Java, Python, ArcGIS, GeoServer, OpenLayers, Leaflet, Cesium, Docker, Kubernetes, CI/CD, DevSecOps
Software Developer
Scott Air Force Base, Illinois, United States
$100k-$160k/yr OnsiteFull Time
5+ YOEU.S. citizen; ability to obtain and maintain Secret clearance; Bachelor's in related field with 5 years experience or Master's with 0; software development lifecycle experience; Agile; Java, Python, or C++ proficiency.
Java, Python, C++, Android SDK, Microsoft Visual Studio, .NET SDK, OpenGL, FFMPEG, Spatial Lite, Docker, Kubernetes, Jira, Bitbucket, Confluence, Bamboo
Software Engineer: Full Stack - Python, Java or JavaScript/TypeScript (TS/SCI Clearance Required)
Alexandria or Chantilly or Englewood or Gaithersburg or Saint Louis or Tucson
OnsiteFull Time
Active TS/SCI clearance with polygraph ability, Bachelor's in CS or related, proficiency in Python/Java/JavaScript/TypeScript, cloud (AWS/Azure), containers, CI/CD, databases, and secure coding practices.
Python, Java, JavaScript, TypeScript, HTML, CSS, JSON, AJAX, REST APIs, React, Angular, Vue.js, Node.js, Spring Boot, Django, Flask, AWS, Azure, MySQL, PostgreSQL, SQL Server, Linux, Windows, Git, GitLab CI, Jenkins, JIRA, Confluence, Docker, Kubernetes, RMF, STIGs, Go, OpenSearch, Elasticsearch, S3, EC2, SQS, SNS, RDS, CloudFormation, Terraform, Ansible, GeoServer, PostGIS, OGC APIs, ESRI ArcGIS
Senior COTS Developer
St. Louis, Missouri, United States
$105k-$231k/yr OnsiteFull Time
10+ YOEActive Top Secret clearance with ability to obtain SCI and polygraph; Bachelor's in Computer Science/IT or 4 additional years experience; 10+ years COTS development; proficiency in Java, Python, JavaScript, SQL, HTML.
Java, Python, JavaScript, SQL, HTML, Momentum Financials, Unison, CGI
Guidewire Developer - ClaimCenter
Alpharetta or Birmingham or Chicago or Dallas or Jacksonville or Downers Grove or St. Louis or Connecticut or Florida or Georgia or Indiana or Maryland or Michigan or North Carolina or New Jersey or New York or Ohio or Pennsylvania or Rhode Island or South Carolina or Texas or Wisconsin
$89k-$148k/yr RemoteFull Time
8+ YOEBachelor's degree in computer science or related field; 8+ years developer experience with 2+ years senior/lead; extensive Guidewire ClaimCenter experience; Java, Gosu, Kotlin, HTML/CSS, JavaScript, TypeScript; knowledge of auto insurance; expert SDLC understanding.
Guidewire ClaimCenter, Java, Gosu, Kotlin, HTML/CSS, JavaScript, TypeScript, Spring Boot, AWS SQS, AWS SNS, AWS Lambda, AWS PostgreSQL, Git, Maven, Gradle, Angular, React, Vue, Webpack, NPM, AppDynamics, Splunk, Guidewire PolicyCenter, Guidewire BillingCenter, Guidewire Profiler
Software Web Developer
St. Louis, Missouri, United States
$90k-$110k/yr OnsiteFull Time
5+ YOEActive TS/SCI clearance with CI Polygraph eligibility; U.S. citizenship; 5+ years software development; Bachelor's in CS/Engineering/Math or equivalent; experience with Python, Java, JavaScript, React, .NET, Docker, Kubernetes, CI/CD, SQL, Jira, Confluence.
Python, Java, JavaScript, React, .NET, Visual Basic, Docker, Kubernetes, GitLab, Jenkins, Nexus, SQL, Jira, Confluence, Red Hat OpenShift, AWS, Elasticsearch, PostgreSQL, HTML, CSS, Sass, Less, Helm, Terraform, REST APIs, ArcGIS, MapInfo
Software Developer T3
St. Louis, Missouri, United States
OnsiteFull Time
4+ YOEBachelor's degree with 4+ years experience or Master's with 3+ years; experience in software development with C#, Java, JavaScript/TypeScript, Python, or shell scripting; DoD 8570 IAT Level II/III certification; Top Secret clearance with ability to obtain SCI and polygraph.
C#, Java, JavaScript, TypeScript, Python, shell scripting, GitLab, Jira, Confluence, Rocket.Chat
Explore Jobs