BeMovil S.A.S.

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• Date: February 2015 -- Today
• Supervisor: David Betancur Vallejo, CTO.
• Website: BeMovil S.A.S.

Lead developer: Designed and implemented cloud-backed brand new backbone and applications for nationwide level mobile carrier-related operations, handling millions of cell phone top-up requests per day, sent by smartphones, web-services, and other supported devices pointing to the BeMovil platform. 100K+ web page-views per day currently are currently being processed.

Technologies used: Python, Django, GNU/Linux, AWS, MySQL, Git, JavaScript, HTML5, CSS3.

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VeriTran

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• Date: February 2015 -- October 2016
• Supervisor: Pablo Ronco, CTO
• Website: VeriTran

System Analyst / Research and Development Engineer: Identified and patched memory related issues for Linux based systems that throttled down performance for long running processes (performance went back up by two thirds). Implemented load testing base line with technologies such as Apache Benchmark and Apache JMeter.

Technologies used: C++, Bash scripting, Java, Oracle, Linux, SVN.

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Global Computing Lab

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• Date: June 2014 -- November 2014
• Supervisor: Dr. Michela Taufer
• Department: CIS Department
• Website: Global Computing Lab

Graduate Research Assistant / Lead Developer: implemented, modified and tested tools for researching computationally efficient algorithms and adaptive scheduling policies for scientific computing on GPUs and clouds.

Technologies used: Matlab, C++, Fortran, GNU/Linux, SVN.

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Universidad de los Andes, CIS

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• Date: August 2011 -- February 2014
• Supervisor: Juan Diego Jimenez, IT Coordinator.
• Department: CIS Department.
• Website: Universidad de los Andes, CIS

Graduate Assistant / System Administrator: troubleshooted tier 2 and 3 requests while developing, maintaining, designing, and managing web services, software, servers, databases, information systems, and virtual IT infrastructure (VMware). Designed and implementing datacenter optimizations that led to performance and user experience improvements (30%, based on network throughput and data IO stats) on the overall cloud computing environment.

Technologies used: VMware, GNU/Linux, Bash scripting, Power Shell, SVN, EMC, Dell, Brocade, Aberdeen.

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IntercoNet Ltd

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• Date: May 2010 -- December 2010
• Supervisor: David Betancur Vallejo, CTO.
• Website: IntercoNet Ltd

Technical Intern / IT Engineer: Network infrastructure, data center, servers, and services administrator of mid and big sized companies in the Colombian Andean region. In charge of GNU/Linux based solutions, highly-available systems, high-performance Internet implementations, and level 1-2 support.

Technologies used: GNU/Linux, Bash scripting, CISCO.

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Sirius HPC Research Laboratory

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• Date: February 2010 -- August 2011
• Supervisor: Jose A. Jaramillo, Professor.
• Department: CIS
• Website: Sirius HPC Research Laboratory

System Administrator: network and servers administrator.

Technologies used: GNU/Linux, CISCO.

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Universidad Tecnológica de Pereira, CRIE

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• Date: February 2007 -- August 2011
• Supervisor: Lyda C. Pulgarin, IT Coordinator.
• Department: CRIE.
• Website: Universidad Tecnológica de Pereira, CRIE

Computer Technician: software and hardware maintainer of the overall student-focused computer equipment of the Universidad Tecnológica de Pereira. Near 600 personal computers managed via a central Active Directory server.

Technologies used: Microsoft Windows / Server, HP.

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Universidad Tecnológica de Pereira, CIS Department

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• Date: February 2007 -- November 2008
• Supervisor: Dr. John A. Guerra, Professor.
• Department: CIS
• Website: Universidad Tecnológica de Pereira, CIS Department

Junior System administrator: Maintainer of OpenSource projects, mailing lists, web servers, mail servers, database servers, and version control systems.

Technologies used: GNU/Linux, Zope, MySQL, SVN.

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Universidad Tecnológica de Pereira, CRIE

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• Date: February 2007 -- August 2011
• Supervisor: Lyda C. Pulgarin, IT Coordinator.
• Department: CRIE.
• Website: Universidad Tecnológica de Pereira, CRIE

Computer Technician: software and hardware maintainer of the overall student-focused computer equipment of the Universidad Tecnológica de Pereira. Near 600 personal computers managed via a central Active Directory server.

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Sirius HPC Research Laboratory

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• Date: February 2010 -- August 2011
• Supervisor: Jose A. Jaramillo, Professor.
• Department: CIS
• Website: Sirius HPC Research Laboratory

System Administrator: network and servers administrator.

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Universidad Tecnológica de Pereira, CIS Department

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• Date: February 2007 -- November 2008
• Supervisor: Dr. John A. Guerra, Professor.
• Department: CIS
• Website: Universidad Tecnológica de Pereira, CIS Department

Junior System administrator: Maintainer of OpenSource projects, mailing lists, web servers, mail servers, database servers, and version control systems.

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IntercoNet Ltd

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• Date: May 2010 -- December 2011
• Supervisor: David Betancur Vallejo, CTO.
• Website: IntercoNet Ltd

Technical Intern / IT Engineer: Network infrastructure, data center, servers, and services administrator of mid and big sized companies in the Colombian Andean region. In charge of GNU/Linux based solutions, highly-available systems, high-performance Internet implementations, and level 1-2 support.

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BeMovil S.A.S.

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• Date: February 2015 -- Today
• Supervisor: David Betancur Vallejo, CTO.
• Website: BeMovil S.A.S.

Lead developer: Responsibilities include designing and implementing software applications for nationwide level mobile carrier related micro-transactions. A completely new backbone was implemented using RESTful web services, Python and Django.

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VeriTran

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• Date: February 2015 -- October 2016
• Supervisor: Pablo Ronco, CTO
• Website: VeriTran

System Analyst / Research and Development Engineer: Argentine mobile banking app developer company. Implemented and improved backbone features.

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Universidad de los Andes, CIS

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• Date: August 2011 -- February 2014
• Supervisor: Juan Diego Jimenez, IT Coordinator.
• Department: CIS Department.
• Website: Universidad de los Andes, CIS

Graduate Assistant / System Administrator: troubleshooted tier 2 and 3 requests while developing, maintaining, designing, and managing web services, software, servers, databases, information systems, and virtual IT infrastructure. Designed and implementing datacenter optimizations that led to performance and user experience improvements (30%, based on network throughput and data IO stats) on the overall cloud computing environment.

Close

Global Computing Lab

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• Date: June 2014 -- November 2014
• Supervisor: Dr. Michela Taufer
• Department: CIS Department
• Website: Global Computing Lab

Graduate Research Assistant / Lead Developer: implemented, modified and tested tools for researching computationally efficient algorithms and adaptive scheduling policies for scientific computing on GPUs and clouds.

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