Javier Cintrón Email & Phone Number

 Work with a team of 5 developers in a highly dynamic Web App engine that lets organizations create and distribute web apps without the need of coding, with spreadsheets as data sources. The back-end is implemented with .NET Core 2.1 using SignalR for real-time asynchronous communication with the client and FlexCel.NET library as the excel engine. Front-End is implemented using Angular 7 (starting with Angular 4). The production environment is in AWS Elastic Beanstalk with the Back-end dockerized and the Front-end residing in an S3 Bucket. Work in a project migrating a legacy scoreboard management app to a responsive SPA. I was part of the team that was in charge of the front-end and also part of the back-end. The back-end was implemented with NestJS. The front-end was implemented with Angular 7. As Team Leader my responsibilities include provide any guidance, instructions, and/or training to the team members. Also manage the daily team tasks and operations, including setting the goals for those tasks and deadlines. Listen to any team members’ feedback and provides solutions to any conflict or issues.

 Responsible of the maintenance and adding new features to the front-end and back-end of a fantasy sports web page (rotoderby.com). This page works with YUI at the front-end and ASP.NET Web API with a MongoDB database in the back-end. Worked with a team to design and develop an enterprise level SPA. This application used Knockout, RequireJs, Wijmo and other technologies for the front-end. For the communication between the front-end and the back-end we used SignalR, and AKKA.NET for creating a highly distributed and scalable system. For the database we used CouchDB. My main responsibility on this project was everything regarding the front-end of the system.

Puerto Rico

 Worked as a consultant developer in a government agency (ASUME - Administration for the Sustenance of Minors). Responsible of all the data and automatic processes of the agency. Gathering of requirements for possible or new systems. Maintain and upgrade agency internal, external and web systems (Example: https://serviciosenlinea.asume.gobierno.pr/ASUME_SERVICIOS/). Design, develop and maintain the agency Web Services and develop systems to consume Web Services of other agencies or companies. Administer all the SQL Servers (2008 R2) Design and develop custom applications in ASP.NET MVC 4 and other technologies

Dominican Republic

 Responsible of the analysis, design, development and maintenance of all the company internal applications following the ISO 27001 specifications Gathering all the requirements for new systems or changes to the existing ones Design the new systems and databases to use Develop new systems and changes (Visual Studio 2010, C#, ASP.NET, ASP.NET MVC 3, SQL Server 2005, 2008, MySql) Evaluation and implementation of new developing technologies

Riverdale, Nj (Remote)

 Worked as a SQL Server 2005/2008 Developer My primary responsibility was to take raw data from a Data Warehouse and process it in a readable form and present it in a Web Portal Dashboard System Worked in some modifications to the presentation layer of this Web Portal using LogiXML and JavaScript

Puerto Rico

 Primary responsibilities included design and development of several applications to a major bank corporation in Puerto Rico. One of these applications is an essential tool of the Legal Division. This application manages the budget, accrual, invoicing and status reports of their legal matters. Developed, administered and maintained a web application created in ASP.NET, Visual Basic and SQL Server that gives data validation services (validzone.com). Performed multiple conversions between applications and data Provided support to the clients PC’s, servers and networks including Microsoft Exchange Servers Installed, modified and administered third party applications