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Full Name
Petar Simic
Full Name
ACE Associate
Top Level Details
Job Role
APEX Consultant
Company
Rittman Mead - A Pythian Company
Country
Serbia
Top Expertise
Oracle APEX
Focus Area
APEX
About Petar
Petar Simic is an Oracle APEX consultant helping teams and businesses build fast, secure, and maintainable web applications on Oracle technology. With years of hands-on experience across development, architecture, and security, I specialize in transforming complex business requirements into elegant, high-performing APEX solutions - from startups to enterprise teams. I’m passionate about sharing knowledge, mentoring developers, and contributing to the Oracle APEX community through talks, examples, and live sessions. As a speaker, I’ve presented at leading industry conferences including APEX World, HrOUG, MakeIT, APEX Alpe Adria. Focus areas: 🔹 Oracle APEX architecture & development 🔹 Application security & performance optimization 🔹 PL/SQL, SQL, REST APIs, and integrations 🔹 Mentoring and team enablement Let’s connect - always happy to exchange ideas or collaborate on innovative APEX projects. Tech Stack: Oracle APEX, ORDS, SQL, PL/SQL, HTML, CSS, JavaScript, jQuery Certifications: Oracle Cloud APEX Developer Professional, Oracle Cloud APEX Developer Specialist, Oracle ACE Associate, Oracle Cloud Foundations Associate
Expertises
Oracle APEX
Oracle PL/SQL
Oracle SQL
Database
Oracle REST Data Services (ORDS)
Security
JavaScript
JavaScript Extension Toolkit (Oracle JET)
Cloud
Oracle Community
https://forums.oracle.com/ords/apexds/user/petarsimic
Links
Latest Contributions
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How Hackers Get In: APEX Security Mistakes You Might Be Making
Dec 23, 2025 - Presentation - in-person or virtual - UKOUG Conference DISCOVER 2025
Security
Oracle APEX
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Oracle APEX: Faceted Search - External Page Item
Sep 24, 2025 - Blog post -
Oracle APEX
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Value Protected item property
Jun 14, 2025 - Blog post -
Oracle APEX
Security
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Sending SMS message from Apex 24.2
Apr 17, 2025 - Forum contributions -
Oracle APEX
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Oracle APEX: Tree Region Expand Selected Node Only
Mar 15, 2025 - Blog post -
Oracle APEX
JavaScript
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Pre Selected value in Radio Bution
Mar 11, 2025 - Forum contributions -
Oracle APEX
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display the number of items inside cart icons
Mar 11, 2025 - Forum contributions -
Oracle APEX
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Oracle APEX: Working with Row Selection in Interactive Grid
Feb 14, 2025 - Blog post -
Oracle APEX
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Insert/Update/Delete operation from Apex 24.1 form
Feb 13, 2025 - Forum contributions -
Oracle APEX
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Oracle APEX: Auditing User-Requested Data
Feb 12, 2025 - Blog post -
Oracle APEX
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Oracle APEX: Audit podataka prikazanih na zahtev korisnika
Feb 12, 2025 - Blog post -
Oracle APEX
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Help with version details
Feb 06, 2025 - Forum contributions -
APEX on ADB
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Help with filtering report data
Jan 28, 2025 - Forum contributions -
Oracle APEX
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