Apex developer

6 days ago

India HNM Solutions Full time

Job Description:

About the Role:

We are seeking an experienced Oracle APEX Developer with strong skills in application design, PL/SQL development, and integration with Oracle Cloud or on-prem systems.

The ideal candidate will be responsible for designing, developing, and maintaining scalable, secure, and user-friendly APEX applications that support business operations.

Key Responsibilities:

  • Design, develop, and deploy Oracle APEX applications aligned with business requirements.
  • Work on interactive reports, dashboards, charts, and REST integrations within APEX.
  • Develop and optimize PL/SQL packages, procedures, functions, and triggers.
  • Customize UI and UX using HTML, CSS, JavaScript, and Oracle Redwood theme.
  • Implement dynamic actions, validations, and process automation in APEX.
  • Integrate APEX with Oracle REST Data Services (ORDS), Fusion Cloud APIs, and OAuth2 authentication.
  • Maintain data integrity, performance tuning, and secure application design.
  • Participate in code reviews, version control (Git), and deployment automation.
  • Collaborate with cross-functional teams (DBAs, business analysts, and testers).
  • Prepare technical documentation and support UAT and production rollout.

Required Skills:

  • Oracle Application Express (APEX 20.x – 24.x)
  • Strong hands-on experience (5+ years) in Oracle Application Express (APEX 20.x – 24.x).
  • Expert-level understanding of page processing, session state management, authorization schemes, and security.
  • Experience with interactive grids, cards,Forms, Reports, charts, faceted search, REST-enabled SQL, and plug-ins.
  • Deep understanding of Redwood UI customization, dynamic actions, and custom JavaScript events.
  • Proven ability to build responsive, accessible, and user-friendly applications using APEX Universal Theme.

SQL & PL/SQL Programming

  • Advanced expertise in query optimization, bulk processing (FORALL, BULK COLLECT), and exception handling.
  • Experience developing modular PL/SQL packages, functions, and procedures for reusable logic.

Ability to write complex analytical SQL queries, cursors, and performance-tuned DML operations.

  • Knowledge of data modeling, relational design, and referential integrity principles.

Integration & API Development

  • Hands-on experience consuming REST/SOAP web services within APEX using REST Data Sources.
  • Implementation of OAuth2 Client Credentials, Bearer Token authentication, and Fusion Cloud API integration.
  • Building custom REST endpoints using ORDS for external system integration.

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