Team lead

• Jan 2021 - Present

Full-stack Developer

• Feb 2017 - Jan 2021

IoT ecosystem. Application on the web and Android phones, establishing communication with specialized hardware that supplies gas. Administration of gas orders, sales, clients, users, interaction with settlement systems, volumetric control, and billing

Team Lead & Developer Sr.

• 2020 - 2023

Project: FacVer4 ● Description: API in the cloud, which is used to stamp invoices, used by medical laboratories. It connects with a PAC and the received messages are managed. ● Responsibilities: ⠀ ○ Design and development of endpoints toward clients, as well as the PAC. ⠀ ○ Delivery of the XML and PDF stamped by the SAT. ⠀ ○ Send by email the invoice ⠀ ○ Documentation of the use of API endpoints ⠀ ○ Code maintenance and bug resolution ● Technologies: Laravel, Php, Jquery, SOAP, Curl, XML ● Database: Postgres, MySQL Project: DLab ● Description: Web system that manages the administration of medical laboratories in terms of study requests, delivery of results, customer management, payments, and billing ● Responsibilities: ⠀ ○ Design and development of the entire billing part ⠀ ○ Development of billing per patient, per company, self-billing, invoice cancellation, and invoice forwarding ⠀ ○ General maintenance of the entire system ⠀ ○ Resolution of bugs ● Technologies: Laravel, Php, Bootstrap, jQquery, REST API ● Database: Postgres, MySQL Show less

Developer Sr.

• 2021 - 2022

Project: Single Sign On ● Description: Creating a security interface by signing between a client and a provider using SAML ● Responsibilities: ⠀ ○ Design and implementation of all "Single Sign On" security, ⠀ ○ Meetings with the client and with the provider ⠀ ○ Proof of concept tests, testing in the development environment ⠀ ○ Deploy in production. ⠀ ○ Documentation for use and configuration ● Technologies: Net, C#, SAML 2.0, XML, Javascript ● DataBase: MSSQLServer Project: Single Sign On ● Description: Creating a security interface by signing between a client and a provider using SAML ● Responsibilities: ⠀ ○ Design and implementation of all "Single Sign On" security, ⠀ ○ Meetings with the client and with the provider ⠀ ○ Proof of concept tests, testing in the development environment ⠀ ○ Deploy in production. ⠀ ○ Documentation for use and configuration ● Technologies: Net, C#, SAML 2.0, XML, Javascript ● DataBase: MSSQLServer

Freelance

• Jan 1993 - Jan 2017

Activities related to IT ⠀ ○ Software development ⠀ ○ Backend programming ⠀ ○ Frontend programming ⠀ ○ Full stack programming ⠀ ○ Mobile Programming ⠀ ○ Training ⠀ ○ Teaching ⠀ ○ Consulting Activities related to IT ⠀ ○ Software development ⠀ ○ Backend programming ⠀ ○ Frontend programming ⠀ ○ Full stack programming ⠀ ○ Mobile Programming ⠀ ○ Training ⠀ ○ Teaching ⠀ ○ Consulting

Full Stack Developer

• Jun 1999 - Dec 2016

Development of innovative projects such as making a proprietary language and database, as well as projects for credit institutions Development of innovative projects such as making a proprietary language and database, as well as projects for credit institutions

Developer Sr.

• Jan 2014 - Dec 2015

⠀ ○ Analysis, development, and implementation of the KPI web portal ⠀ ○ Management of company milestones, breaking them down into parts and measuring progress ⠀ ○ Analysis, development, and implementation of the KPI web portal ⠀ ○ Management of company milestones, breaking them down into parts and measuring progress

Consultor, Software Developer

• Feb 2011 - Mar 2015

⠀ ○ Continuous improvements in electronic invoicing ⠀ ○ Analysis, development, and implementation of local connectors which take files of different formats as input and invoice files as output ⠀ ○ Shopping cart that allows you to add billing packages and send data to salesforce ⠀ ○ Continuous improvements in electronic invoicing ⠀ ○ Analysis, development, and implementation of local connectors which take files of different formats as input and invoice files as output ⠀ ○ Shopping cart that allows you to add billing packages and send data to salesforce

Cofounder & Developer

• 2009 - 2011

Project: SISGNO ● Description: Web application to review news notes and prepare them to publish. It includes a text editor, registration, and maintenance for journalists' notes. Takes and presents statistics and news reports prepared by reporters. Made for the newspaper Novedades de Acapulco ● Responsibilities: ⠀ ○ Creation of the text editor ⠀ ○ RSS Feed from different news agencies ⠀ ○ Development of Roles for authorization of notes ⠀ ○ Statistics reports ⠀ ○ Bug fixes and maintenance ● Technologies: ASP, VBScript, Javascript, Html ● Database: MSSSQLServer Project: BIOMEDIC ● Description: Development and implementation of a time clock system, at the Magallanes Hospital in Acapulco, interacting with a biometric fingerprint sensor ● Responsibilities: ⠀ ○ Interact programmatically with the Sensor ⠀ ○ Capture employee fingerprintsTake ⠀ ○ Get and shoot photos of employees ⠀ ○ Employee Support ⠀ ○ Development of attendance reports ⠀ ○ Bug fixes and maintenance ● Technologies: Visual Basic 4, Javascript, Html ● Database: MSSSQLServer Show less

Teacher

• Jan 2006 - Dec 2010

⠀ ○ Thesis Adviser. ⠀ ○ Member of the technical council. ⠀ ○ Design of the student competency model ⠀ ○ Training about a competency-based educational model ⠀ ○ Events, conferences, and activities of the school ⠀ ○ Thesis Adviser. ⠀ ○ Member of the technical council. ⠀ ○ Design of the student competency model ⠀ ○ Training about a competency-based educational model ⠀ ○ Events, conferences, and activities of the school

Co-Founder

• Jan 2007 - Jan 2009

- Software development ⠀ ○ SISACCOM: System of medical consultations and patient administration ⠀ ○ HOTEL-PF13: Management of reservations, check-in, check-out, and consumption of a 3-star hotel ⠀ ○ HOSPITAL-PF13: Management of hospitalizations, pharmacy inventory, medications, check-in, check-out of a hospital ⠀ ○ QRPET: Web application that assigns a profile per pet and generates a QRcode for its tag - Courses and training - Software development ⠀ ○ SISACCOM: System of medical consultations and patient administration ⠀ ○ HOTEL-PF13: Management of reservations, check-in, check-out, and consumption of a 3-star hotel ⠀ ○ HOSPITAL-PF13: Management of hospitalizations, pharmacy inventory, medications, check-in, check-out of a hospital ⠀ ○ QRPET: Web application that assigns a profile per pet and generates a QRcode for its tag - Courses and training

Teacher

• Sep 2006 - Dec 2007

⠀ ○ Professor in TI ⠀ ○ I gave a talk at engineering week (2007) titled DEVELOPMENT OF VIDEO GAMES ⠀ ○ Events, conferences, and activities of the school ⠀ ○ Professor in TI ⠀ ○ I gave a talk at engineering week (2007) titled DEVELOPMENT OF VIDEO GAMES ⠀ ○ Events, conferences, and activities of the school

Analyst programmer

• Jan 2004 - Dec 2006

⠀ ○ Complete automation of the food warehouse to generate Christmas baskets, pantries, and corporate baskets ⠀ ○ Point of sale of a stationery ⠀ ○ Complete automation of the food warehouse to generate Christmas baskets, pantries, and corporate baskets ⠀ ○ Point of sale of a stationery

Analyst programmer

• Jan 2003 - Dec 2004

Project: Platform and BackOffice systems. ● Description: Administration of the telegrams to be sent, applying business rules and costs ● Responsibilities: ⠀ ○ Capture the telegram message and apply the business rules to it ⠀ ○ String manipulation ⠀ ○ Communication through frames to an AS400 mainframe ● Technologies: vb6, Sockets, Serial port communication Project: Platform and BackOffice systems. ● Description: Administration of the telegrams to be sent, applying business rules and costs ● Responsibilities: ⠀ ○ Capture the telegram message and apply the business rules to it ⠀ ○ String manipulation ⠀ ○ Communication through frames to an AS400 mainframe ● Technologies: vb6, Sockets, Serial port communication

Analyst programmer

• Jan 2000 - Dec 2002

Project: GNP MI. ● Description: Comprehensive Medical System for Grupo Nacional Provincial ● Responsibilities: ⠀ ○ Development of scheduling health insurance quotes ⠀ ○ Support to users ⠀ ○ Code maintenance and bug fixes ● Technologies: Visual Basic 6, crystal reports ● Database: MSSQLServer Project: GNP POLIEMPRESA ● Description: Disaster insurance system and damage quotes for multi-companies with different types of insurance depending on the damage, with different benefits ● Responsibilities: ⠀ ○ Development of insurance coverage, and insurance quote. ⠀ ○ Technical and operational support of the system. ⠀ ○ Code maintenance and bug fixes. ● Technologies: Visual Basic 6, Crystal Reports ● Database: MSSQLServer Show less

Analyst programmer

• Jan 1996 - Dec 1999

Project: AVANCE UNION ● Description: Complete system for bank branches, used by tellers in 180 branches in the country, reports, operational and accounting closures, cash control ● Responsibilities: ⠀ ○ Communications controller for line drops in X.25 ⠀ ○ Teller cash system development ⠀ ○ Cash opening, cash cuts, cash closing ⠀ ○ Reception of deposits, Withdrawal of account ⠀ ○ Printing of transaction vouchers ⠀ ○ Transfers between accounts ⠀ ○ Maintain optimal speed performance ⠀ ○ Communication with AS400 mainframe ⠀ ○ Code maintenance and bug fixes ● Technologies: Professional Basic for DOS, integration with AS400 Show less