Oracle APEX ​/ PL​/SQL Developer

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Full Time Annapolis Junction, MD, US

Quevera is seeking a highly skilled Oracle APEX / PL/SQL Developer with an active TS/SCI clearance with Polygraph to support mission-critical programs in Annapolis Junction, Maryland
. In this role, you will design, develop, enhance, and support enterprise web applications built on Oracle technologies.

As an Oracle APEX / PL/SQL Developer
, you'll have the opportunity to develop and support enterprise Oracle applications while contributing to application design, integration, performance, security, and ongoing technical improvements.

• Design, develop, test, deploy, maintain, and enhance enterprise applications using Oracle APEX.
• Develop complex database functionality using Oracle SQL and PL/SQL, including packages, procedures, functions, triggers, views, and dynamic SQL.
• Customize Oracle APEX components, including Interactive Grids, Interactive Reports, forms, Dynamic Actions, Lists of Values (LOVs), validations, processes, and shared components.
• Develop and integrate RESTful services and APIs with Oracle APEX applications.
• Integrate Oracle APEX applications with external systems and data sources.
• Design efficient SQL queries and optimize application and database performance.
• Implement application security using APEX authentication and authorization schemes, session-state protection, access controls, and secure coding practices.
• Participate in requirements gathering, technical design, code reviews, testing, and production deployments.
• Develop reusable Oracle APEX components and establish development standards and best practices.
• Perform routine health checks and support optimization of system performance, availability, access controls, and security.
• Support system optimization, performance tuning, and capacity planning activities.
• Proactively identify potential issues, risks, and roadblocks during system implementation and operations.
• Maintain technical documentation for applications, database objects, integrations, and deployment procedures.
• Provide ongoing production support, debugging, maintenance, and application enhancements.
• Active TS/SCI clearance with Polygraph required.
• Five (5) or more years of professional software development experience, including significant hands‑on development using Oracle technologies.
• Strong hands‑on experience developing applications with Oracle APEX.
• Advanced knowledge of Oracle SQL and PL/SQL.
• Experience developing PL/SQL packages, stored procedures, functions, triggers, and other database objects.
• Proficiency with HTML5 and CSS3, including responsive web application development.
• Experience customizing Oracle APEX Universal Theme and application user interfaces.
• Experience with APEX Dynamic Actions and client‑side/server‑side processing.
• Experience developing and customizing Interactive Reports and Interactive Grids.
• Understanding of AJAX‑based processing and communication between APEX pages and PL/SQL.
• Experience consuming or developing REST APIs and RESTful Web Services.
• Strong understanding of relational database concepts, data modeling, and SQL performance optimization.
• Understanding of application security and secure software development practices.
• Strong analytical, troubleshooting, and problem‑solving skills.
• Ability to work independently and collaboratively within a development team.

• Experience with recent versions of Oracle APEX, including APEX 24.x.
• Experience with Oracle REST Data Services (ORDS).
• Experience integrating Oracle APEX with external enterprise applications and data sources.
• Experience working with JSON, REST services, and AJAX.
• Knowledge of Oracle database performance tuning and query optimization.
• Experience with Git or other source control systems.
• Experience with CI/CD and automated deployment processes for Oracle database and APEX applications.
• Familiarity with accessibility and responsive UI/UX development standards.
• Experience supporting enterprise or mission‑critical Oracle APEX applications.