Oracle ADF Upgrade & WebLogic Migration Engineer

Programmers.io; Atlanta (GA); Hybrid; USD 110,000 - 170,000; Full time

Benefits offered by this job

Hybrid work environment

Job summary

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.

Qualifications

• 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.

Responsibilities

• 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.

Skills

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

Tools

WebLogic

GraalVM

Jersey

MyBatis

Quartz Scheduler

OCI Deployments

REST/SOAP APIs

SSL/TLS 1.3

Job description

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.