> Markdown version of [/jobs/ext/4632884-senior-software-engineer](https://www.wearedevelopers.com/jobs/ext/4632884-senior-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - **Company:** Intone Networks - **Location:** O'Fallon, MO, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Amazon Web Services, Cloud Computing, Cloud Engineering, Continuous Integration, Java Platform Enterprise Edition (J2EE), Gradle, Design of User Interfaces, Hibernate (Java), Human-Computer Interaction, Spring Framework, Apache Maven, Software Engineering, SONAR (Symantec), Enterprise Software Applications, ReactJS, SOAPAPI, AngularJS, Front End Software Development, Jenkins - **Published:** November 8, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-software-engineer-o-fallon-mo--18566028-6a23-4319-ad4e-ab3daa72526f ## About the Role Software Engineering, Software Engineering, Java, Cloud Architecture, Artificial Intelligence (AI), Java Platform Enterprise Edition (Java EE/J2EE), Spring Framework, Hibernate, User Interface/Experience (UI/UX), React.js, * Required * Proficiency in Java 8+ and J2EE development * Hands-on experience with Spring and Hibernate frameworks * Front-end development experience with Angular or React * Experience designing and building REST and SOAP APIs * Knowledge of cloud-native architecture and deployment on AWS or equivalent cloud platforms * Experience with CI/CD tools and practices, including Jenkins, Maven, Gradle, Chef, or Sonar * Ability to leverage generative AI tools to improve development workflows and productivity * Preferred * Experience applying AI-assisted coding, testing, and documentation techniques * Track record of exploring and implementing practical generative AI use cases for system modernization and automation ## Description We are seeking a Senior Software Engineer for a 6-month contract position based in O'Fallon, Missouri. This role focuses on full-stack Java development, cloud-native architecture, and the application of AI and generative AI tools in modern software engineering., * Design and develop full-stack Java applications using Java 8+, J2EE, Spring, and Hibernate frameworks * Build and maintain front-end interfaces using Angular or React * Design and implement REST and SOAP APIs for enterprise applications * Architect and deploy cloud-native solutions on AWS or other cloud platforms * Establish and maintain CI/CD pipelines using tools such as Jenkins, Maven, Gradle, Chef, and Sonar * Identify and implement generative AI tools and techniques to enhance developer productivity * Apply AI-assisted approaches to coding, testing, documentation, and troubleshooting * Explore and evaluate practical generative AI use cases for modernization, automation, and platform efficiency