Jonatan María

Hello, my name is

Jonatan Maria

Oracle Developer

About me

I am an enthusiastic Oracle Apex Developer based in Santo Domingo, Dominican Republic with a rich experience of over 5 years in Oracle Products.

I develop professional tools and applications

With years of experience in differents areas like RRHH, Finance and IT. I have mastered the skills of understanding client requirements according to the latest trends. I have worked with businesses from different niches so you can rely on me for yours.

I’ve spent most of these years working across different solutions for different private companies, to my current role as a freelancer oracle developer. Having worked on various projects that are already live, I can help you with the best possible suggestions and ideas that we can proceed with. With me, you aren’t forced to accept anything. I give you a variety of options we can work on together.

What I do

From understanding your requirements, designing a blueprint and delivering the final product, I do everything that falls in between these lines.

Oracle analyst

Designs, develops, and maintains application processes associated with the Oracle-based ERP systems, and Peoplesoft

oracle apex developer

Design, implement, and maintain Oracle APEX applications. Creating attractive, responsive, and data-driven applications.

SQL Developer

Design, create and maintaining databases, including: Building databases and validating their stability and efficiency. Create program views, functions and stored procedures. Writing optimized SQL queries for integration with other applications.

My Experience


Weavers Nodes


I have responsibly led a team of 3 engineers to develop Web3 infrastructure supporting more than 15 Blockchains using POKT Network protocol as base. In this new adventure I keep doing new projects using Oracle tools too trying to bring the best practice to my clients.


DP World Caucedo

Oracle Analyst

• Oracle Fusion Cloud Finance Modules (AR, AP, FA, GL, HCM). • Oracle Fusion Cloud Configuration and Administration (Roles, Permission, page layouts, custom objects, scripting, reports and dashboards). • OTBI, BI Publisher, HCM Data Loader, Spreadsheet Loader. • EPBCS • SQL Querys, PLSQL. • Oracle Apex App Developer Achievement: Oracle Fusion: - ERP integration with C2FO Platform. - ERP integration with CitiBank (Electronic Payment). - HCM integration with EPBCS. - Loading Benefits in HCM. Oracle Apex: - Development of Container Management Application for Economic Zone. - Application development for HR benefit loading.


Pinturas Tropical

Technical Support

Part of my experience was in this company working giving support and maintenance using this tools: • Oracle Forms & Report 6i. • Oracle Database Express 11g. Administration, configuration, and installation. • Windows 2003, 2008, 2012 Server – Administration, installation, Active Directory, Group Policy Administration, Proxy internet Filter, general maintenance. • Linux Centos and Ubuntu.