Javier Castillo Email & Phone Number

Definition and improvement of software development processes and the technologies used to provide products with great design and quality.Leading the development and IT of web services that are part of our AR proprietary product.Meetings with clients to technically define new projects and monitoring the execution of the projects in progress.Lately working on using new technology in our most recent projects for front-end, back-end and for cloud services on AWS, Azure.Managing… Show more Definition and improvement of software development processes and the technologies used to provide products with great design and quality.Leading the development and IT of web services that are part of our AR proprietary product.Meetings with clients to technically define new projects and monitoring the execution of the projects in progress.Lately working on using new technology in our most recent projects for front-end, back-end and for cloud services on AWS, Azure.Managing SparxWorks' cloud services on AWS, Google, etc.In charge of the process of hiring new technical personnel. Show less

As a CTO I have dedicated myself to the improvement of software development processes and the technologies used to provide products with better design and quality. Some of the actions that I have carried out in the company are:- Standardized the use of Git as code repository for all projects and defined the strategy of branching and merging.- Migration of all Rackspace services to Amazon AWS (EC2, ECS, RDS, S3).- Implementation of Bug Tracker and Test Cases management tools, with… Show more As a CTO I have dedicated myself to the improvement of software development processes and the technologies used to provide products with better design and quality. Some of the actions that I have carried out in the company are:- Standardized the use of Git as code repository for all projects and defined the strategy of branching and merging.- Migration of all Rackspace services to Amazon AWS (EC2, ECS, RDS, S3).- Implementation of Bug Tracker and Test Cases management tools, with the processes for their use.- Implementation of an HR system for the management of entry and exit times, timesheets and vacations.- Implementation of Jenkins and Sonarqube servers to automate the construction of projects and examine code quality, integration of these services with Git.- Definition of several software development processes, among them: Estimation, code reviews, construction of development environments, test, production, production deployments.I have also been in charge of the process of hiring new technical personnel, meeting with clients to define new projects and monitoring the execution of the projects in progress. Show less

I led a team of engineers in multiple projects for our K12 client. We worked with the latest technologies of the moment (Java, ExtJS, Spring MVC, Oracle) and adopted the Scrum methodology for working with the geographically distributed team. We received recognition from our client for the good work we did. I traveled again to the United States for 1 month in 2011 to train new staff hired by our client.

I worked on several projects with Java technologies, JBoss Seam, Spring, JSF, Oracle for our client K12, a US based company dedicated to eLearning. I worked in a geographically distributed team comprised of local engineers and our client's engineers, residing in the United States. I traveled 3 times to the US, 4 weeks each time, between 2007 and 2008 to collaborate with engineers from our client.

I have been involved in several technology projects as a project manager or software architect.Consulting in the software development cycle and continuous integration and the use of support tools for this cycle such as: Subversion, Maven, Hudson / Jenkins, Sonar.Design of business intelligence solutions with open source tools. Design and implementation of ETL, Data Warehouse and OLAP cubes using Pentaho BI suite.Design of portal solutions with the use of Liferay and portlets… Show more I have been involved in several technology projects as a project manager or software architect.Consulting in the software development cycle and continuous integration and the use of support tools for this cycle such as: Subversion, Maven, Hudson / Jenkins, Sonar.Design of business intelligence solutions with open source tools. Design and implementation of ETL, Data Warehouse and OLAP cubes using Pentaho BI suite.Design of portal solutions with the use of Liferay and portlets (version 1.0 and 2.0).Development of web applications with JBoss Seam, JPA, JSF (version 1 and 2), MySQL. Show less

I participated in multiple web projects related to education. Starting with the CALMS system, a web application for the creation of educational content and the publication process. Then in the development of the LMS and several modules that extended its operation. I also participated in production support tasks, integrations with third-party systems, performance optimization tasks. We applied the Scrum methodology for distributed collaborative work. The technology stacks were evolving, we… Show more I participated in multiple web projects related to education. Starting with the CALMS system, a web application for the creation of educational content and the publication process. Then in the development of the LMS and several modules that extended its operation. I also participated in production support tasks, integrations with third-party systems, performance optimization tasks. We applied the Scrum methodology for distributed collaborative work. The technology stacks were evolving, we started with Java, JBoss Seam, Spring, JPA and JSF, then we moved to Spring MVC, iBatis, ExtJS and Backbone. For database we always used Oracle, in its different versions. Show less

I worked one semester as a university teacher in the elective course of the last cycle of the Software Engineering career called Advanced Topics of Software Engineering 2. In this course I developed the topic of Software Architecture.

I worked 3 semesters as professor assistant of the elective course Advanced Topics of Software Engineering. For this course I was in charge of the preparation of a laboratory per semester of topics related to web technologies.

Instructor of the following Oracle University courses:- Oracle 10g: Java Programming- Oracle 10g: Build J2EE Applications- Oracle 10g: Build Applications with ADFEach course was 40 hours and was dictated for 2 weeks, from Monday to Friday 4 hours a day.

I worked as a developer and architect for web projects based on the Struts framework. I also had the task of conducting research for the new technology stack for the development of web and integration projects. I worked with Oracle technologies: ADF framework, UIX presentation technology (a predecessor of JSF). I also participated as the main developer of a project management web application that participated and won in the 4th edition of the IT / USERS Awards 2005.

Administration of production environments in Windows and Linux. I was also in charge of managing the mail system (Postfix / Exchange) and multiple production database servers (SQL Server). I worked in automation tasks by creating scripts in Perl and VBScript.