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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Java Full Stack Developer - **Company:** Xcelo Group Inc - **Location:** O'Fallon, MO, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** HTML, Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Apache Tomcat, Server Applications, Application Performance Management, Cloud Computing, Cloud Engineering, Continuous Integration, DevOps, Java Platform Enterprise Edition (J2EE), Gradle, Hibernate (Java), IBM Websphere Application Server, Java Servlet, Spring Framework, WildFly (JBoss AS), JQuery, Javaserver Pages, PostgreSQL, Apache Maven, Microsoft SQL Server, MongoDB, MySQL, Oracle Databases, Systems Development Life Cycle, Software Engineering, SONAR (Symantec), Transaction Processing (Computing), Enterprise Software Applications, GitHub Copilot, ReactJS, System Availability, Large Language Models, Prompt Engineering, SOAPAPI, Backend, AngularJS, Information Technology, Front End Software Development, Virtual Agents, Restful APIs, Jenkins, Microservices - **Published:** September 29, 2026 - **Apply:** https://www.dice.com/job-detail/13a0c60b-c53d-413c-9ad8-870adf27cedc ## About the Role * Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent experience. * 7+ years of professional software development experience. * Strong analytical, problem-solving, and communication skills. * Experience with enterprise-scale applications and cloud-native architecture. * Ability to work independently and collaborate with cross-functional teams. * Payments or financial services industry experience preferred. ## Description We are looking for an experienced Senior Java Full Stack Developer to design, develop, and enhance a next-generation Decision Management Platform that processes and scores billions of payment transactions. The ideal candidate will have strong expertise in Java, Spring, Hibernate, Angular/React, cloud-native architecture, and GenAI-enabled development, with experience building highly scalable, secure, and resilient enterprise applications. Required Technical Skills * Backend: Java 8+, J2EE, Spring 5, Hibernate, JSP, Servlets. * Frontend: Angular or React, JavaScript, HTML, jQuery. * APIs & Microservices: RESTful APIs, SOAP Web Services, enterprise application development. * Databases: Oracle, SQL Server, MySQL, PostgreSQL, MongoDB. * Cloud & DevOps: AWS or other cloud platforms, Jenkins, Maven, Gradle, Chef, Sonar. * Application Servers: WebSphere, JBoss, Apache Tomcat. * GenAI & Agentic AI: LLM integration, prompt engineering, agentic patterns, Claude Code, GitHub Copilot or similar tools. * Methodologies: Agile, Waterfall, CI/CD, software development lifecycle (SDLC)., * Design and develop scalable enterprise applications using Java, Spring, Hibernate, and Angular/React. * Build and integrate REST/SOAP APIs and enterprise services. * Develop and enhance real-time payment decisioning and transaction processing platforms. * Design cloud-native solutions with high availability, scalability, security, and zero-downtime objectives. * Improve application performance, reliability, and operational efficiency. * Leverage GenAI and AI-assisted development tools for coding, testing, documentation, and troubleshooting. * Explore GenAI use cases for application modernization and workflow automation. * Collaborate with architects, product managers, and business stakeholders to deliver enterprise solutions. * Implement CI/CD pipelines, code quality standards, and engineering best practices. * Support compliance requirements, including PCI, GLBA, and applicable security standards. * Participate in requirements gathering, technical design, prototyping, and production support. * Mentor developers and contribute to architecture and performance improvements. ## Related Videos - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [WeAreDevelopers LIVE - the weekly developer show with Chris Heilmann and Daniel Cranney](https://www.wearedevelopers.com/videos/1309-wearedevelopers-live-the-weekly-developer-show-with-chris-heilmann-and-daniel-cranney) - [Enterprise-Cloud-Native - Fast-Paced Development & Deployment in a Highly Secure Banking Environment](https://www.wearedevelopers.com/videos/671-enterprise-cloud-native-fast-paced-development-deployment-in-a-highly-secure-banking-environment) - [Coding for Good: Achieving social change with an app](https://www.wearedevelopers.com/videos/1645-coding-for-good-achieving-social-change-with-an-app) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. 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