Experience

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  Telefónica colombia

  Sept 2007 - Feb 2010

  Senior fraud analyst

  •Developed and implemented a call fraud detection software based on the collecting and processing of the Call Data Records (CDRs), so making it possible to avoid income leakage of 1,400 million euros per month for the landline company.•Designed an automated process for extracting data from different sources for the implementation of information cubes.

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  Techrea

  May 2010 - Jun 2012

  Junior project lead

  •Analyzed business and systems requirements for the migration of 700K business clients from a legacy system to SAP, which allowed to standardize at the company level the pre-sale, sale, and post-sale processes of telecommunications services for these types of customers.•Established the acceptance criteria, test set, and test execution schedule for the migration from a legacy system to SAP.•Produced process maps and procedures, solution delivery formats, functional and technical specifications, user manuals, blueprints, and official documentation. Show less

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  Coresoft technologies

  Feb 2012 - Feb 2013

  Junior project engineer

  ● Analyzed business and technical requirements for the development and implementation of a new inventory system for a manufacturing company.● Established the acceptance criteria, test set, and test execution schedule of the system.● Produced solution delivery formats, functional and technical specifications, user manuals, and official documentation.

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  Pontificia universidad javeriana

  Mar 2014 - Mar 2016

  Project engineer

  •Created user stories for the development of new functionalities within the academic system (Peoplesoft ERP), such as the automatic generation of graduation diplomas and their corresponding digital certificates of authenticity.•Day-to-day supported end-users, analyzing and fixing issues in the academic system (Peoplesoft ERP).•Defined functional and non-functional requirements, business rules, and user stories for development teams.

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  Avantel s.a.s.

  Mar 2016 - Nov 2016

  Income assurance engineer

  •Developed scripts and stored procedures for the record’s conciliation of mobile voice and data services to guarantee monthly billing.•Developed, tested and maintained the internal Databases of call records, SMS, and mobile data. •Managed risks in the implementation of new platforms and information systems.

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  Manpower group experis

  May 2017 - Jul 2019

  Quality and operation lead

  •Led control strategies and management of indicators on the operation and maintenance service of the OCS Prepaid platform of Claro Colombia and ETB and CBio (Full-Stack) Claro Peru, to identify timely failures in the systems to avoid the delivery of services to the end-user•Established the acceptance criteria, test set, and test execution schedule for the migration project of one of the traffic collection databases of the Ericsson Charging System platform for the main client of the operation.•Created financial and operative reports for the customers by extracting data from the platform and analyzing information in Tableau. Show less

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  Ericsson

  Aug 2019 - Oct 2020

  It system expert - leader tier 1

  •Led and oversaw 15 team members of Tier 1 (24/7 availability) support and monitoring of the prepaid mobile phone network platform of three telco companies, guaranteeing compliance with the SLAs and contracts set with these clients.•Management of software development projects and implementation of tools aimed at the management of service availability indicators, and analysis of service use trends, income, and customer consumption.•Managed relationships with external technology providers for the development and implementation of two systems for collecting and processing mobile services traffic files to extract, analyze, and visualize business information. Show less

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  Pollard banknote limited

  Nov 2022 - now

  Programmer analyst

  • Responsible for analyzing, designing, and implementing operational solutions for a wide range of applications.• Perform day-to-day operations to update existing functionality and configure new features.• Provide Tier 2 technical support for all digital products.• Execution of test cases, documenting the results, reporting the defects, and tracking the status.