đź’Ľ Industry Experience
- Core Business: Credit Card Services for Martins group customers.
- Main Responsibilities:
- Optimizing the import process for daily files (from card processors) to improve performance on large files (over 1GB in size). Utilized technologies such like BCP for SQL Server and SQLoader for Oracle.
- Technically overseeing the Visa Cargo project, implementing a credit system for truck drivers integrating the bank, card processor, and freight manager.
- Exploring neural solutions to enhance customer Behavior Scores evaluations.
- Managing the project to import the DNE dataset from Brazilian Correios.
- Leading the TangĂveis Management project.
- Key Technologies: VB.net, SQL Server, Web Services (SOAP), Oracle.
- Core Business: Wholesale and industrial operations, providing over 10,000 products to 120,000 registered clients.
- Main Responsibilities:
- Led the migration of the company’s ERP platform from JBoss 4.0.5/JSF 1.1 to JBoss 4.2.3/JSF 1.2, eliminating dependency on a proprietary UI framework and enabling the adoption of RichFaces for new development. Refactored the legacy framework for JSF 1.2 compatibility, validated all existing enterprise applications, and ensured a seamless platform migration.
- Designed and implemented the “Tatic Action” module from scratch, enabling configurable promotional campaigns based on complex business rules, including product combinations, sales targets, supplier restrictions, and regional eligibility. Integrated the solution with the Mobile Sales Force, pricing engine, and order capture systems over a three-year period.
- Migrated the company’s Mobile Sales Force application from Java ME to Android by adapting the legacy application for Android-specific APIs and device behavior. Successfully validated the solution on Samsung Galaxy S2 devices, enabling the large-scale replacement of legacy Motorola A1200 devices with hundreds of Android smartphones without a full redevelopment effort.
- Reengineered an offline Sales Management System by migrating its embedded persistence layer from an unreliable object-oriented database to Apache Derby, eliminating recurring database corruption issues. Expanded the system with management capabilities including ABC analysis, sales performance monitoring, and sales representative administration.
- Assisted in porting the Oracle database from 8i to 10g.
- Key Technologies: Java, Java SE (Swing), Java EE (JSF, EJB, JPA, Quartz, JNDI), Oracle, Java ME, Android.
SWB (2007-2008)
- Core Business: Software Outsourcing for Algar Telecom.
- Main Responsibilities:
- Maintained the SGP system (online mobile recharge platform) by fixing bugs and implementing customizations.
- Developed two systems for Algar Telecom: Status Report and Access Control.
- Key Technologies: Java, Java EE (JSF, JPA), Oracle, Web Services (SOAP).
Digital Hall (2007)
- Core Business: Software Outsourcing for Sysmap and Telemig/Vivo (telecommunications operators).
- Main Responsibilities:
- Migrated Telemig/Vivo’s legacy CRM system from Vantive to Java using the Sunlight framework.
- Worked as a backend developer for the Orkin platform.
- Key Technologies: Java, Spring Framework, Hibernate, Oracle.
Unique Solutions (2006)
- Core Business: Software Outsourcing for ACS (Algar Call Center).
- Main Responsibilities:
- Developed and maintained software solutions for ACS, including importing new datasets and creating customized toolbars for employees.
- Key Technologies: Delphi, Visual Basic, ASP, Reporting Services, SQL Server.
- Core Business: Sales Force Automation System for Palm and PocketPC devices.
- Main Responsibilities:
- Developed middleware to synchronize sales data between PDAs and clients’ ERP systems.
- Key Technologies: Delphi, Oracle, SQL Server, Firebase.
