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Principal Consultant
Oracle•  September 2010 - Present
Acting as delivery consultant in customers that come from USA, Europe and Latin America performing my duties onsite and remotely. • PRINCIPAL CONSULTANT – COMMUNICATIONS NETWORK GLOBAL BUSINESS UNIT, MAY 2020 – PRESENT ACTIVITIES IN PROJECTS BASED IN COMMUNICATIONS SERVICE GATEKEEPER (OCSG) PRODUCT: • Development and improvement of custom plugins that servers as an integration interface between customer´s legacy systems and network applications such UDR and PCRF. Plugins are based in J2EE Java Beans and exposed as SOAP/REST Webservices. ACTIVITIES IN COMMUNICATIONS PORTAL INITIATIVE: • Development and configurations of dashboards in Grafana/ ELK Stack (Elasticsearch, Logstash and Kibana) to visualize behavior data of UDR, PCRF, EPAP and SBC network applications. • PRINCIPAL CONSULTANT – COMMUNICATIONS APPLICATIOS GLOBAL BUSINESS UNIT, JUNE 2014 – MAY 2020 ACTIVITIES IN IN PROJECTS BASED IN COMMUNICATIONS BILLING AND REVENUE MANAGEMENT (BRM) PRODUCT: • Enhancement on BRM General Ledger module by implementing a PL/SQL process to fetch taxes amount from Realtime and Delayed events registered in BRM obtaining accounting information faster than using legacy module. • Application of improvements on BI Publisher 11g/12c – BRM integration package for massive invoice generation to support High Availability scenarios. • Implementation of BI Publisher (version 12c) – BRM Billing Care integration for detailed invoice visualization. • Implementation of BRM Reporting Package using Oracle BI Publisher 12c. 2 • Development of console applications in Java to feed customer´s Mediation systems with data fetched from Realtime events registered in BRM. • Improvement of applications written in Java to process massive BRM batch payments in less time. • Realization of end to end QA activities in BRM implementations. OTHER ACTIVITIES: • Functional analysis/support of advanced BI solutions based in Oracle Communications Data Model. • Application of optimizations techniques on SQLPLUS (SQL, PL/SQL) Reporting solutions. • Mentoring in the development of reports in BI Publisher acting as Lead Developer. • SENIOR CONSULTANT - COMMUNICATIONS APPLICATIOS GLOBAL BUSINESS UNIT, SEPTEMBER 2010 – JUNE 2014 ACTIVITIES IN PROJECTS IN PROJECTS BASED IN COMMUNICATIONS BILLING AND REVENUE MANAGEMENT (BRM) PRODUCT: • Customization of product´s functionalities using C programming language. • Design and development of SOAP Webservices (Apache Axis/JAXWS) in Java to serve as a bridge between customer's legacy applications and BRM. • Implementation and customization of BRM Reporting Package using Oracle BI Publisher 10g/11g. OTHER ACTIVITIES: • Design, development, implementation and tuning of Reporting solutions based on BI Publisher 10g/11g. • Development of custom reports using SQL, PL/SQL, and SQLPlus.
Senior Software Developer
Assert•  September 2007 - September 2010
Technical analysis, coding activities, and support of custom SCM applications used in the utilities sector built on Microsoft .Net Framework (ASP.NET, C#) 2.0 and 3.0 along with Spring.NET, NHibernate, Microsoft SQL Server 2005 and/or Oracle 9i.
Semi Senior Software Developer
Sensi•  July 2007 - September 2007
Maintenance and support of a custom CRM application of a telecommunication company built on Microsoft .NET Framework (ASP.NET, C#) 1.1 and Oracle 8i.
Semi Senior Software Developer
Globant•  April 2007 - June 2007
Analysis and migration of a data reconciliation application for a stock market advisor from Microsoft .NET Framework 1.1 to 2.0 (C#).
.NET Programmer
Infogen•  April 2006 - April 2007
Analysis and migration of a manufacturing coordination application for an important iron & steel production company from Visual Basic 6.0 to .Net Framework 2.0 (C#). Design and development of both databases objects (Microsoft SQL Server 2005), and ETL packages (SQL Server Integration Services) to improve data load process for the application mentioned above.
Development Engineer and Financial Services Assistant
accenture•  September 2005 - January 2006
Application of improvement on customer´s software implementation for an insurance company. Implementation is based in Business Process Management tool Bizagi (.Net Framework 1.1, C#, Microsoft SQL Server 200).
Java Programmer
Informacion Gerencial LTDA•  July 2005 - September 2005
Development of desktop applications for finance management in Java (J2SE and Swing) to be executed on Linux environments.
Programmer
Movilco•  March 2003 - April 2005
Development of mobile applications for sales force automation in Java2 Micro Edition (J2ME), .NET Compact Framework, embedded Visual Basic, embedded Visual C++, and Qualcomm’s BREW (C programming language).
Education
Universidad de La Salle
Electrical Engineering & Computer Science, BS•  January 1995 - December 2000
BSC. IN DESIGN & ELECTRONIC AUTOMATION ENGINEERING, UNIVERSIDAD DE LA SALLE – BOGOTA, COLOMBIA. GPA of 4.20 (US Grade A). Awarded in 1997 with a scholarship because of outstanding academic behavior. Participation in University’s exhibition fair (in year 2000) exposing to attendants developed work to obtain the BSc degree. Work is called "Basic Material Sample Analyzer" (Computer application developed in Visual C++ that analyses sensor signals using data acquisition hardware as interface).
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