Design, build, and maintain scalable enterprise web applications using Oracle APEX and integrate them with Oracle ERP modules. Manage backend database engineering, including complex SQL/PL/SQL development, performance tuning, and API integration via ORDS.
Role Overview
We are seeking a skilled Oracle APEX Developer to design, build, and maintain scalable enterprise web applications. In this role, you will collaborate with cross-functional product and logistics teams to digitize business workflows, modernize legacy interfaces, and integrate custom APEX solutions with core Oracle ERP and database architectures.
Key Responsibilities
Application Development:Design, build, and deploy robust web applications using Oracle APEX (v21.x+), utilizing Universal Theme and responsive components.
Backend & Database Engineering: Write, debug, and optimize complex SQL queries, PL/SQL packages, procedures, functions, database triggers, and views.
Integrations & APIs: Build and consume RESTful Web Services via Oracle REST Data Services (ORDS) to connect APEX applications with external software and Oracle ERP modules (Purchasing, Payables, Inventory).
Frontend Customization:Enhance standard APEX interfaces using HTML5, CSS3, JavaScript, jQuery, and AJAX to deliver clean, intuitive user experiences.
Performance Tuning:Diagnose slow-running pages or queries, execute execution plan analysis, and optimize database objects for high concurrent usage.
Security & Governance:Implement role-based access control (RBAC), row-level security, session management, and safeguard against web vulnerabilities (SQL injection, XSS).
Required Qualifications
Experience: 4+ years of dedicated hands-on experience developing enterprise software with Oracle APEX and Oracle Database (19c/21c+) and integrating with Oracle Apps R!2.
Core Technical Mastery:
Expert-level knowledge of PL/SQL, SQL, and database object modeling.
Deep proficiency with ORDS (Oracle REST Data Services) configuration and REST API integration.
Solid working knowledge of web technologies: JavaScript, JSON, HTML5, and CSS3.
Problem-Solving: Strong analytical capability to translate complex functional requirements into efficient database schemas and UI flows.
Preferred Qualifications
Prior experience integrating APEX with Oracle E-Business Suite (EBS) or Oracle Fusion Cloud APIs.
Familiarity with deployment automation, version control (Git), and continuous integration toolsets (e.g., Liquibase, Jenkins).
Experience with Oracle Cloud Infrastructure (OCI) APEX Autonomous Database services.
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