Location: Johns Creek, GA / Atlanta, GA Work Model: Hybrid – onsite at least 2 days/week Relocation: Candidates must be local to Atlanta/Johns Creek or willing to relocate Experience Level: Senior Employment Type: Contract
Job Summary
We are seeking a senior Oracle ADF Application Developer with strong hands-on experience in Oracle ADF upgrades, Java modernization, WebLogic migration, and enterprise application integrations. The ideal candidate will have experience upgrading legacy enterprise applications and troubleshooting complex middleware and integration issues.
Top 5 Must-Have Skills
Oracle ADF Upgrade Experience
Hands-on experience upgrading Oracle ADF from 12c to 14c
ADF Faces, ADF Business Components, task flows, bindings
WebLogic 14.1.2.x deployments
Java Modernization
Experience upgrading JDK 8 to Java 21
Deprecated API remediation
javax to jakarta migration
JAXB/JTA changes
Java 21 / GraalVM modernization
WebLogic & Middleware Migration
Strong WebLogic 12c/14c administration
Deployment troubleshooting
JVM tuning, including G1GC/ZGC
SSL/TLS 1.3 compatibility
Web services
OCI-based deployments
Integration & API Upgrades
REST/SOAP integration upgrades and troubleshooting
Jersey migration (1.x/2.x to 3.x)
SFTP/SSH integrations
Quartz Scheduler
MyBatis
Enterprise middleware components
Enterprise Application Support & Testing
Regression testing and performance benchmarking
Production support and UAT defect resolution
Experience supporting mission-critical HR or financial applications