Luis Eduardo Marin A.

● Development of web application for uploading files to the cloud.
⬡ Tech-Stack: Node.js, Javascript, Typescript, Tkeron, JWT, Google App Engine, Git, Sendgrid.

● Development of tools to make Ads through UI.
● Development of landing pages to collect leads.
● Modification of functionalities in advertising spaces of the group's portals.
● Frontend and backend development for Survey Ad.
● Frontend and Backend development for Ad of random products of e-commerce.
● Development of frontend and backend UI to visualize price prediction machine learning model.
● Development of landing page for e-commerce clients to select branch, date, and time to withdraw their purchase, controlling and limiting quotas.
⬡ Tech-Stack: JavaScript, HTML, CSS, Google Apps Engine.

● Data cleaning with R.
● Development of web pages with php7 in WordPress.
● Development of microservices on Google App Engine with NodeJS.
● Development of a script to collect leads from landing pages with javascript and Google Apps Script.
● Development of a script to take data from a CSV sales file periodically sent to the email tray, clean the data and save it as a spreadsheet in Google Drive.
● Script development to extract data from HubSpot leads.
⬡ Tech-Stack: PHP, R, NodeJS, HTML, CSS, JavaScript, WordPress, Google Apps Script, Google App Engine.

● Development of web application for inventory, store and billing, responsive.
● Windows service development to print sales tickets from the web application, using thermal printers.
● Development of module in the web application for special clients with approved credit.
● Development service to use fiscal printers, to replace the old billing application with the Web application.
⬡ Tech-Stack: VB .Net, PHP, HTML, CSS, Javascript.

● Development of a module for mass loading of bank transfers with modification of the general ledger.
● Development of module for generation of txt file for massive transfers.
⬡ Tech-Stack: X++, Microsoft Dynamics AX 2012 R3.

● Development of attendance and payroll system.
● Development of an access control system with ticket printing with thermal printer and with access for administrators, residents and guards.
⬡ Tech-Stack: VB .Net, Visual Studio 2010.

● Development of payroll system.
⬡ Tech-Stack: Visual Basic for Applications, Microsoft Excel.