Oracle Application Development Framework (ADF)

Programmers.io; Atlanta (GA); Híbrido; USD 110.000 - 170.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Hybrid work environment

Descripción de la vacante

Programmers.io is seeking a seasoned middleware engineer to upgrade and migrate enterprise applications, focusing on Oracle ADF/WebLogic upgrades, Java/Jakarta transitions, and API migrations. The role emphasizes integration testing, performance tuning, and production support in a hybrid work environment.

You will tackle REST/SOAP upgrades, Jersey migration, and middleware components across HR or financial systems, ensuring smooth deployment and ongoing reliability.

Formación

• Hands-on upgrading of Oracle ADF and WebLogic deployments to newer versions.
• Experience migrating Java EE to Jakarta EE and Java 21/GraalVM.
• Proficient in REST/SOAP integrations and API upgrades.
• Strong testing, performance benchmarking, and production support for critical HR/financial apps.
• Experience in hybrid work environments.

Responsabilidades

• Upgrade and validate middleware components in large enterprise apps.
• Troubleshoot deployment, JVM tuning, and security protocols.
• Lead integration testing and UAT bug fixes.
• Support production in hybrid work setting.
• Mentor team on modernization efforts.

Conocimientos

Oracle ADF

ADF Faces

ADF BC

WebLogic Administration

Java Migration (javax to jakarta)

REST/SOAP Integration

Jersey Migration

SFTP/SSH Integrations

JAXB/JTA changes

GraalVM

JVM Tuning

CI/CD for Enterprise Apps

Herramientas

WebLogic

GraalVM

Jersey

MyBatis

Quartz Scheduler

OCI Deployments

REST/SOAP APIs

SSL/TLS 1.3

Descripción del empleo

• Hands-on experience upgrading Oracle ADF Faces, ADF BC, task flows, bindings, and WebLogic deployments to WebLogic 14.1.2.x.
• Proven experience remediating deprecated APIs, handling `Javax` to `Jakarta` migration, JAXB/JTA changes, and upgrading enterprise Java applications to Java 21/GraalVM.
• WebLogic & Middleware Migration Experience
• Deep understanding of WebLogic 12c/14c administration, deployment troubleshooting, JVM tuning (G1GC/ZGC), SSL/TLS 1.3 compatibility, webservice knowledge and OCI-based deployments.
• Integration & API Upgrade Experience
• Experience upgrading and validating REST/SOAP integrations, Jersey migration (1.x/2.x → 3.x), SFTP/SSH integrations, Quartz scheduler, MyBatis, and enterprise middleware components.
• Strong regression testing, performance benchmarking, production support, and UAT bug-fix experience for mission-critical HR or financial applications in hybrid work environments.