Oracle Application Development Framework (ADF)

Advent Global Solutions, Inc.; Johns Creek (GA); Hybrid; USD 120,000 - 170,000; Full time

Job summary

Advent Global Solutions, Inc. in Johns Creek, GA invites a senior Oracle ADF specialist to join on a 6-month hybrid engagement.

You will lead ADF upgrade work (ADF 12c → 14c), modernize Java (javax to jakarta, Java 21), and migrate WebLogic deployments while keeping enterprise HR/financial apps stable.

Strong experience with REST/SOAP integrations, Jersey migrations, and middleware troubleshooting in large, integrated environments is required; hybrid office attendance is expected.

Qualifications

• Must have hands-on enterprise Oracle ADF upgrade experience (ADF 12c → 14c).
• Proven Java modernization expertise (javax to jakarta, Java 21).
• Deep WebLogic administration, deployment troubleshooting, and SSL/TLS considerations.

Responsibilities

• Lead ADF upgrade and migration tasks for large enterprise systems.
• Migrate and modernize Java applications to Java 21/GraalVM.
• Coordinate REST/SOAP integrations and middleware troubleshooting in hybrid environments.
• Ensure regression testing and production stability during migrations.

Skills

ADF Upgrade

Java Modernization

WebLogic/Middleware

Integration & API Upgrade

Enterprise App Support

Job description

Job Title: Oracle Application Development Framework (ADF)

Location: Johns Creek (Greater Atlanta) , GA - Hybrid

Duration: 6 months

Competencies: 8-10 years experience

Top 5 Must have experience

1. Strong Oracle ADF Upgrade Experience (ADF 12c → ADF 14c) Hands-on experience upgrading Oracle ADF Faces, ADF BC, task flows, bindings, and WebLogic deployments to WebLogic 14.1.2.x.
2. Java Modernization Expertise (JDK 8 → Java 21) Proven experience remediating deprecated APIs, handling javax to jakarta migration, JAXB/JTA changes, and upgrading enterprise Java applications to Java 21/GraalVM.
3. WebLogic & Middleware Migration Experience Deep understanding of WebLogic 12c/14c administration, deployment troubleshooting, JVM tuning (G1ZGC), SSL/TLS 1.3 compatibility, webservice knowledge and OCI-based deployments.
4. 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.

1. Enterprise Application Support & Testing Mindset Strong regression testing, performance benchmarking, production support, and UAT bug-fix experience for mission-critical HR or financial applications in hybrid work environments.

Top 5 Don't-Have / Not Suitable For

1. No Pure Support or Maintenance Profiles Candidates with only L1/L2 production support experience and no hands‑on upgrade/migration development work.
2. No Junior-Level ADF Developers

Candidates without real enterprise-scale Oracle ADF/WebLogic migration experience or exposure to large integrated systems.

1. No Candidates Limited to Legacy Java Versions Only Candidates who have worked only on Java 6/7/8 maintenance projects without Java 17/21 modernization exposure.
2. No Remote-Only Candidates

Must be comfortable working in hybrid mode and coming to office at least twice a week.

1. No Candidates Without Integration Troubleshooting Experience Candidates lacking experience in REST/SOAP/SFTP integrations, dependency remediation, SSL/TLS handling, or middleware troubleshooting in enterprise environments.