Senior Full Stack Developer / Platform Engineer – PBBA

SMX Services & Consulting, Inc. is seeking a Senior Full Stack Developer / Platform Engineer – PBBA to support modernization and sustainment of IRS PBBA applications. The role involves hands-on Java/Spring Boot backend development combined with modern frontend development expertise, focusing on migrating applications to modern, containerized architectures while maintaining existing business functionality.

Responsibilities:

• Develop and maintain Java/Spring Boot applications
• Develop and maintain ReactJS or comparable frontend applications
• Perform full-stack application development
• Upgrade applications to current Java/JDK versions
• Support JDK 17+ application compatibility
• Integrate applications with Single Sign-On services
• Remediate software libraries and application dependencies
• Modernize applications operating in RHEL/Linux environments
• Containerize applications
• Prepare applications for Red Hat OpenShift deployment
• Develop application deployment-configuration inputs
• Develop and maintain REST integrations
• Develop and maintain SOAP integrations
• Troubleshoot database-connected applications
• Conduct developer-level regression validation
• Conduct application smoke validation
• Troubleshoot and correct UI defects
• Troubleshoot and correct functional defects
• Support application vulnerability remediation
• Prepare application releases
• Develop rollback and recovery inputs
• Maintain as-built documentation
• Support migration from virtual-machine-based hosting to containerized platforms
• Preserve existing functionality and external interfaces throughout modernization
• Support technical knowledge transfer

Requirements:

• Minimum 5 years of relevant full-stack application-development experience
• Java/J2EE
• Spring Boot
• ReactJS or comparable modern JavaScript framework
• Full-stack web application development
• JDK 17 or newer
• REST APIs
• SOAP web services
• Single Sign-On integration
• Application dependency management
• Application dependency remediation
• RHEL/Linux
• Red Hat OpenShift
• Kubernetes
• Container technologies
• Application containerization
• Deployment configuration
• Database-connected applications
• Git/GitHub
• CI/CD process familiarity
• Secure coding
• Developer-level regression validation
• Application smoke testing
• UI troubleshooting
• Functional defect remediation
• Enterprise application modernization
• VM-to-container migrations
• OpenShift migrations
• Java/Spring Boot modernization
• ReactJS enterprise applications
• High-availability Government or regulated environments
• API-based enterprise architectures
• Secure enterprise application development