Angel Sergio P.

Full Stack Developer

175 dollar

My experience


Self-employedMay 2018 - Present

My current activities revolve around providing advice to several companies or individuals about how to use information technologies to achieve their business or professional objectives. Additionally, it is often necessary to estimate, manage, implement, install or operate the computer systems under subcontracting.

IA InternationalJanuary 2017 - January 2019

Chief Information Officer / IA International Contracting /
WAMP      Leader      Innovation      Negotiation      IT Architecture      DBA      GPON      WIFI      Supply Chain      NFPA

Guanajuato State GovernmentJanuary 2012 - January 2016


Donosti Comercial, S.A. de C.VOctober 2008 - January 2013

 Donosti Comercial was the largest trading company of building materials in the center of Mexico, consisted of 12 branches in four States and a headquarters.

- The CIO manages the computational resources of the Consortium, coordinate the staff of the IT department, approve the policies for the use of the technological infrastructure and guarantee its application.


- The restructure of the statistics and reports generating system reduced nearly 160 hours of work per week for coordinators, middle managers and senior managers.

- Adjustments and negotiations on telecommunications, service contracts and equipment procurement generated savings of US$10,000.00 per month.

- The development of mobile applications for the sales force team improved the quality of service to our sub-distribution customers and reduced the customer service time by 50%. Besides the smart phones GPS monitoring system increased the efficiency of sales supervisors to monitor their teams.

- The 50% of the servers was consolidated through virtualization and a project of renewal of computers with targeted profile was implemented. The savings reached the 60% in energy consumption for servers and air conditioned equipment. That is about US$10,000 by year in savings just for energy consumption, besides about 30 hrs less per week in management.

- The 70% of transportation costs and living expenses was saved thanks to the teleconferencing system for the managers and directors meetings.

- One saving of nearly US$50,000 was achieved in negotiations with our telecoms providers to get 60 High-End-Technology smart phones without cost.

Usabiaga GroupJanuary 2006 - January 2008

LAMP      BI      KPIs      Supply Chain      IT Architecture      IT Budget      SDLC     DBA      Ajax      GIS
Project Leader / Usabiaga Group / Cortazar, Gto. /
BI      IT Architecture      IT Budget      SDLC      DBA      PHP     JavaScript      Ajax      SQL      Negotiation      Virtualization

Guanajuato State GovernmentJanuary 1997 - January 2005

BI      KPIs      IT Architecture      IT Budget      SDLC      DBA      PHP      JavaScript      Ajax      MySQL      GIS

Unión de Crédito del Transporte PúblicoJanuary 2001 - January 2002

Leader      HR      Innovation      Negotiation      DBA      IT Architecture      IT Budget      GPS      WEB      BPM

Roque Technological InstituteJanuary 1994 - January 1997

Leader      HR      Innovation      Negotiation      IT Architecture      IT Budget      DBA

My stack


Database Administration, Microsoft SQL Server, PostGreSQL, MySQL



Software testing





SQL, VBA, JavaScript, Excel Macro (VB macro), PHP, HTML5, HTML, CSS

IT Infrastructure

CentOS, VMware, Linux Red Hat, Microsoft Windows Server, Virtualization, VPN, Sun Solaris, Active Directory, Firewalls, Linux, Unix, Ubuntu, Samba, WAMP


DBA Management, Microsoft Windows NT, Technological skills, Senior Manager - IT and Strategic Planning, GIS Chief Information Officer, Head of information center, GIS Project Leader, IT Management Consultant, Co-founder of Project, IV Congress Interuniversity Student, Member of the State Committee, Microsoft Office, Visual Basic for Applications, Microsoft Windows 2000 Professional, Microsoft Windows XP, Global Positioning System, Member of the Technical Board of groundwater, Masters Degree > Master of Business Administration, PC Hardware, Microsoft Windows Vista, Microsoft Windows 9x, Microsoft Windows 7, Microsoft Visual Studio, Linux Fedora, Router, Software Development Life Cycle, Wi-Fi, Personal Home Page, 5S, industry~senior, Instructor, IT Administrator, Corel Draw Suite, Senior Programmer, Network Management, Microsoft Windows, CIO > Chief Information Officer, Computer Systems Engineer, Geographic Information Systems, Project coordinator, Information Technology, Cascading Style Sheets, Linux Debian, Kaizen, Front End, Workstations, GPON, IT Coordinator, PDA


Adobe Photoshop


Spanish, SDLC


Bootstrap, AJAX

Open Source solutions


Computer Tools


My education and trainings

- Licenses & Certifications

Master degree in Senior Management, Business management, Master degree acquired by grade point average. - Universidad Tecnológica de Estudios Superiores del Bajío2014 - 2016

System engineer, Information technology - Instituto Tecnológico de Celaya1989 - 1993