APEX Developer - Onsite

Title: APEX Developer - Onsite

Mandatory skills:

Oracle APEX development,
SQL, PL/SQL, secure, performant coding,
Oracle Database 12c, Oracle Database 19c, Oracle Database development,
APEX components, Interactive Grids, REST-enabled SQL, dynamic actions, plug-ins, responsive design, JavaScript integration,
APEX, RESTful services, JSON, AJAX, JavaScript, Oracle Application Express,
application security frameworks, encryption, compliance,
SSO integrations, Entra ID, Azure Active Directory,
GitHub, GitOps, DevOps-driven automation, CI/CD pipelines, enterprise application delivery,
Oracle Cloud Infrastructure, OCI, ExaCC,
performance tuning, enterprise APEX applications, APEX plug-ins, Oracle BI Publisher, Oracle Analytics Cloud,
compliance frameworks, CIPA, FERPA, HIPAA, Single Sign-On, SSO, Entra ID, Azure Active Directory, OCID,
database integrity, performance, scalability, security, guiding development standards, knowledge transfer, modular design practices, reusable design practices

Description:

Overview:

We are looking for a highly experienced Senior Oracle APEX Developer with 6+ years of hands-on experience in Oracle Application Express (APEX) and Oracle Database development.

The successful candidate will be responsible for the design, development, and deployment of secure, modular, and responsive applications while ensuring database integrity, performance, scalability, and security.

This role requires expert-level hands-on PL/SQL and APEX development, a security-first build philosophy, and proven experience implementing Single Sign-On (SSO) with Entra ID (Azure Active Directory) and OCID. Experience in guiding development standards, knowledge transfer, modular/reusable design practices, and high experience with GitHub/GitOps-driven workflows is a must.

Key Responsibilities:
Lead the design, development, and deployment of Oracle APEX applications with a security-first mindset.
Develop complex and efficient PL/SQL procedures, functions, packages, and triggers to support business logic.
Design and optimize database objects (tables, views, indexes, materialized views, constraints).
Collaborate directly with business analysts and clients in iterative, client-facing solution design sessions.
Drive performance tuning, SQL/PLSQL optimization, and security hardening.
Integrate APEX applications with external systems using REST APIs, JSON/XML, and secure data exchange methods.
Utilize and establish standards for modularity, reusability, and maintainability; support code reviews and documentation.
Contribute to OCI (ExaCC) migration efforts as needed and support upgrades, patches, and new feature adoption.
Serve as escalation point for complex production issues, with focus on authentication and security.
Support GitHub-based workflows and GitOps practices to improve automation, code management, and secure deployments.
Promote knowledge transfer within the team as technical subject matter expert and through collaboration.
Implement and maintain SSO authentication/authorization with Entra ID (Azure Active Directory) and OCID.

Qualifications:
6+ years of enterprise Oracle APEX development experience.
Expert proficiency in SQL and PL/SQL with focus on secure, performant coding.
Deep knowledge of Oracle Database (12c/19c or higher).
Extensive experience with advanced APEX components (Interactive Grids, REST-enabled SQL, dynamic actions, plug-ins, responsive design, JavaScript integration).
Strong expertise integrating APEX with RESTful services, JSON, AJAX, and JavaScript.
Strong knowledge of application security frameworks, encryption, and compliance best practices.
Proven experience with SSO integrations, specifically Entra ID (Azure Active Directory).
High experience with GitHub, GitOps, and DevOps-driven automation.
Excellent client-facing communication skills to support iterative development with stakeholders.

Preferred Skills:
Experience with Oracle Cloud Infrastructure (OCI), particularly ExaCC.
Hands-on expertise with GitHub, GitOps, and CI/CD pipelines for enterprise application delivery.
Proven track record of performance tuning for enterprise APEX applications.
Experience developing or extending custom APEX plug-ins; knowledge of Oracle BI Publisher or Oracle Analytics Cloud.
Familiarity with compliance frameworks (CIPA, FERPA, HIPAA, etc).

Skill - Required / Desired - Amount of Experience:
Enterprise Oracle APEX development experience - Required - 6 Years
Expert proficiency in SQL and PL/SQL with focus on secure, performant coding - Required - 6 Years
Deep knowledge of Oracle Database (12c/19c or higher). - Required - 6 Years
Experience with advanced APEX components (Interactive Grids, REST-enabled SQL, dynamic actions, plug-ins, responsive design, JavaScript integration) - Required - 6 Years
Strong expertise integrating APEX with RESTful services, JSON, AJAX, and JavaScript. - Required - 6 Years
Strong knowledge of application security frameworks, encryption, and compliance best practices. - Required - 6 Years
Proven experience with SSO integrations, specifically Entra ID (Azure Active Directory). - Required - 6 Years
High experience with GitHub, GitOps, and DevOps-driven automation. - Required - 6 Years
Excellent client-facing communication skills to support iterative development with stakeholders. - Required

VIVA USA is an equal opportunity employer and is committed to maintaining a professional working environment that is free from discrimination and unlawful harassment. The Management, contractors, and staff of VIVA USA shall respect others without regard to race, sex, religion, age, color, creed, national or ethnic origin, physical, mental or sensory disability, marital status, sexual orientation, or status as a Vietnam-era, recently separated veteran, Active war time or campaign badge veteran, Armed forces service medal veteran, or disabled veteran. Please contact us at for any complaints, comments and suggestions.

Contact Details :

VIVA USA INC.
3601 Algonquin Road, Suite 425
Rolling Meadows, IL 60008