Oracle PL/SQL and APEX Developer

Harshini Madhurai

Fullerton, CA 714-***-**** ****************@*****.*** LinkedIn

SUMMARY

Oracle PL/SQL Developer with 2+ years of experience developing and modernizing enterprise database applications using Oracle APEX, PL/SQL, SQL, REST/SOAP services, and JavaScript. Skilled in SQL performance tuning, indexing, backend reporting, and secure API development, with experience collaborating across development, testing, and deployment teams. Delivered reporting improvements that reduced latency by 50%. EDUCATION

California State University, Fullerton Jan 2024 - May 2026 Master of Science, Computer Science Fullerton, CA

• GPA: 3.83

Jawaharlal Nehru Technological University Anantapur Jul 2018 - Apr 2021 Bachelor of Engineering, Computer Science and Engineering Andhra Pradesh, India

• GPA: 7.9

TECHNICAL SKILLS

Languages & Scripting: SQL, PL/SQL, Java, JavaScript, HTML, CSS, Python, C Oracle Technologies: Oracle APEX, Oracle EBS, Oracle Fusion, XML Publisher, Oracle Forms & Reports, Oracle PL/SQL Web Toolkit, XML Publisher

Tools: SQL Developer, Git, Postman, Visual Studio Code, SOAPUI, AJAX, RESTful Webservices, SOAP Webservices, ORDS Methodologies: Agile/Scrum, SDLC, Database Optimization, Application Modernization, Performance Tuning, Data Modeling And Database Design, Production Issue Troubleshooting And Root-Cause Analysis, Enterprise-Scale Database Environments PROFESSIONAL EXPERIENCE

Apps Associates

Lead Oracle APEX Developer Hyderabad, India · Oct 2022 - Dec 2023

• Designed and developed scalable backend services and REST APIs for enterprise-scale database environments using PL/SQL and Oracle Fusion in Visual Studio Code, streamlining data access for internal teams

• Built and integrated RESTful and SOAP web services with Python and AJAX, enabling reliable real-time communication between distributed enterprise systems and reducing integration errors

• Applied data modeling and database design principles while optimizing complex SQL queries and indexing strategies for Oracle applications, reducing report latency by 50% and improving application performance.

• Automated deployment workflows across Development, UAT, and Production environments using Git-based version control, which accelerated release cycles and reduced manual deployment errors

• Implemented authentication and role-based authorization using OAuth and JWT, improving application security and meeting compliance requirements PL/SQL Developer Hyderabad, India · Oct 2021 - Oct 2022

• Developed backend reporting modules with SQL and PL/SQL in Oracle Fusion, delivering reports that streamlined decision-making for users

• Improved database performance through indexing and SQL optimization while building responsive user interfaces with JavaScript and Oracle APEX.

• Participated in debugging, production issue troubleshooting, root-cause analysis, testing, and deployment, collaborating with senior developers via Git and Agile practices to deliver releases on schedule and reduce defects PROJECTS

Enterprise Legacy Application Modernization

• Oracle APEX, Oracle Database 19c, PL/SQL, Oracle PL/SQL Web Toolkit, JavaScript, jQuery

• Modernized a legacy Oracle PL/SQL Web Toolkit application by migrating business modules to Oracle APEX and Oracle Database 19c.

• Redesigned UI using Oracle APEX Interactive Reports, Forms, and Dynamic Actions.

• Optimized SQL queries and indexes through query optimization and performance tuning, reducing report execution time by 45%.

• Implemented role-based authentication and audit logging to enhance application security. Oracle EBS to Oracle APEX Modernization Platform

• Oracle APEX Oracle Database Oracle EBS PL/SQL REST APIs

• Migrated legacy Oracle Forms and PL/SQL Web Toolkit applications into Oracle APEX while modernizing the user experience and backend database architecture.

• Re-engineered complex PL/SQL business logic into reusable packages to support maintainable Oracle database applications.

• Modernized UI using Oracle APEX Universal Theme and Responsive Templates.

• Reduced maintenance effort by 40% and Improved application response time by 50%. Enterprise Healthcare Claims Processing Platform

• Oracle APEX Oracle Database 19c PL/SQL REST SOAP

• Developed a healthcare claims management platform supporting providers, insurance companies, and claims adjudication workflows.

• Developed provider, claims, member, and authorization modules.

• Designed scalable Oracle database schema supporting millions of transactions.

• Integrated SOAP and REST services with external insurance systems.

• Implemented automated batch processing using DBMS Scheduler and Optimized processing performance by 45%. CERTIFICATION

• Oracle Certification on '1Z0-770 - Oracle APEX Cloud Developer Professional'

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