Senior Software Developer

• Soft skills like communication, adaptability, and emotional intelligence, searching new challenges, learning new technologies every day.
• Spanish native / English advanced.
• Agile / Scrum.
• API REST Spring Boot JSON-Jackson-Postman technologies.
• Java J2EE: Maven, Spring, JPA/Hibernate ORMS Persistency, JDBC Spring, JPA, Struts, Ant, Graddle, Soap/Rest Web Services and APIS, EJBS, JNDI, Annotations, Aspects Oriented Programming (AspectJ), Dependency Injection, Interfaces Oriented Programming, Design Patterns, Spring Boot, JUNIT.
• 5 years on Android Developer Core Projects using Java and Kotlin. Including Java, Kotlin, XML, Android SDK, APIS, Databases, Material Design, Designer Photoshop and GIMP skills.
• Android Development: Graddle and Maven, XML Manifest files, Activity, Knowledge of UX and UI, layout, drawable, different contstraint layouts and different layouts.
• Web Services and http interfacing Mobile Apps clients and Mobile Apps directly connecting Databases.
• Complex Logistics and Sales Reports mobile phone applications created for different companies.
• Helix Teoco Studio and Modules for Development and Integration on Telecommunications Solutions.
• 10 years developing Complex IVR projects with additional technologies like Text to Speech, Speech Recognition, SMS Applications and USSD Applications.
• Java Restful JAXRS Spring Boot Web Services.
• Java Core JRE.
• Java: Threads, Sockets Server and Clients, Web Start, Servlets, REST/SOAP Web Services Servers and Clients.
• Application Servers: Websphere Application Server, Tomcat Apache, Web Logic, Glassfish, Payara, JBOSS.
• GIT and github.com IDE and bash command interface.
• Solid and Dry Programming Principles.
• Modern Java, Lambdas.

• CI/CD and AWS CodeStar.
• CORBA for getting inventories and provision services.
• Full Stack LAMP: Linux, Apache, MySQL, PHP.
• Javascript, Jquery, Ajax, AngularJS.
• MySQL, Oracle, SQLServer, PostgreSQL.
• C++.
• AWS: EC2, CodeStar, Cloud9, IAM.
• .NET Framework 4.5 Visual Basic.
• Visual Basic 6.
• Perl / Shell.
• Integrations for Shopping Carts Perl, CGIS, Virtuemart Joomla, WooCommerce.
• CMS: WordPress and WooCommerce, Elementor, Joomla and SPBuilder on Joomla.
• AmoCRM Social Networks CRM, Vimeo Professional, Active Campaigns, Godaddy Marketing on Line Tools, MailChimp, GoDaddy Email Marketing.
• Linux Scripts.
• Used shell scripts for automate processes on UNIX OS and using crontab.
• IVRS Applications and USSD Applications for Telecomunications.

EXPERIENCE
1999 – 2019.
ICE.
Software Developer.
E DEVELOPER.

• Helix Teoco Studio and Modules for Development and Integration on Telecommunications Solutions, Tejas Networks integration with CORBA and Helix.
• Developed SGM (Sistema de Gestión de Inventarios), Visual Basic and SysBase Database.
• Developed Software to measure Traffic Quality for Digital Switches, Visual Basic and Oracle.
• Developed Software to establish Traffic observations in Alcatel Switches, C++ and Linux.
• Developed Software to get Alarms from Digital Switches (Alcatel, Siemens, Nortel and Ericsson), using Java Applets, Oracle and Visual Basic.
• Developed Software to query Prepaid Calls Systems   199,197 (ICE), Informix, Visual Basic.
• Developed Software for IVR “Sistema Carcelario”, Omnivox, Apex tools for IVRS development.
• Developed Software for IVR “Costa Rica Directo”, Omniview, Apex tools for IVRS development.
• Developed Software for IVR “800 Final Stage”, Omniview, Apex tools for IVRS development.
• Software Maintenance for 199 Prepaid Calls System, Omniview, Apex tools for IVRS development.
• Developed Software to provision Digital Switches automatically, Java, Oracle, C++, CORBA, SOAP, SNMP, TL1, using JDeveloper for Back End software, Java WebStart, Servlets, Applets.
• Developed Java Web Services on Websphere for SMS, USSD integration for software using WAS IBM, Websphere Integration Developer V6.1, SOAP Web Service Server and client.
• Tunning Websphere Application Servers, setting of JVM memory on Linux OS servers.
• Units Test, Integration test and Functional Test for QA testing on developed software using JUnit, Selenium and SOAP UI, manage check and uncheck exceptions for QA testing.
• Knowledge of TDD using with first Development and refactoring.
• Complex use of Threads on back End servers, receiving messages from MQ and getting transactions from Oracle databases and working concurrently.
• Complex use on Server Sockets and Client Sockets using JAVA and C++.

• Developed USSD solutions for selling mobile prepaid internet packages, promotions. Using USSD technology and Websphere Integration Developer V6.1.Developed voting software using JavaScript, PHP, Oracle, AJAX, JQuery, Angular.
• Project Manager for software migration from Websphere Application Server to Web Logic Oracle Application Server including hardware requirements, software requirements, web services requirements, arquitecture requirements, network requirements.
• Used Subversion for Java Developer IDE and Continuos Integration (CI) for team members.
• Used GIT.
• Used shell scripts for automate processes on UNIX OS and using crontab.

• Developed a Single Sign On SSO for my company which allows having SSO users using different technologies as LDAP and Single Connections, it was implemented on API REST SpringBoot JSON-Jackson-Postman technologies.

2004 – 2017
CEC Products. California, Remote worker.
Software Developer.

• Developed Software to automate Transactions from Internet Sales, Visual Basic, Access, and XML.
• Developed Html pages to sale products through Internet.
• Developed Software to Automate Rush Copy System, at California, Visual Basic 6.
• Developed Costumes Sales Web Site, ASP, HTML, VBScript.
• Developed Back End Generator for Search Engine Optimization (SEO) html pages for about 20 sites.
• Developed PHP pages and MySQL Database for Customer Service.    
• Developed advanced shopping carts using PERL scripts, JavaScript, Angular, more than 20 shopping carts using CGI, Perl and html, JavaScript, Angular, AJAX, JQuery.
• Integration with Itransact using Perl CGI. https://secure.itransact.com/marketing/pmg
• Developed JQuery, JSON. PHP and JavaScript, Angular front end interfaces.
• HTML Generator using Visual Basic for generate SEO friendly google searching robots, more than 20 sites with edit pages for delete, add and modify items and header information.

 
2017- 2019 Entrepreneur Projects.

• PHP, JavaScript, AJAX, Angular, JQuery and MySQL technologies for create a Supervision Software for Costa Rica Financial Entities.
• Joomla Manage for several commercial Sites, using free templates and Professional Templates, includes integration and modification, intensive use of Godaddy domain and hosting.
• Integration with shopping cart Pagadito.com from virtuemart to Pagadito API.
• WordPress and WooCommerce different sites developed for different clients using different themes and Elementor for building pages.PayPal Integration using PayPal Business and WooComerce on WordPress.
• AmoCRM Social Networks CRM, Vimeo Professional, Active Campaigns, Godaddy Marketing on Line Tools, MailChimp, GoDaddy Email Marketing.

2018 – 2018 Consultancy on Grupo Forco.

• Software arquitecture Consultancy con GrupoForco Costa Rica, includes diagnostic of real state of applications, improve development standards, documentation, implementation of Version Control tools as Git and Tortoise. Implementation of GitHub for different IDS as Visual Studio 2015, JDeveloper, Android Studio.
• Developed software on Visual Studio .net for Gift Cards.
• Developed Electronic Billing on JDeveloper working with Ministerio de Hacienda APIS and Web Services.
• Developed 2 applications on Android Studio on Java Language for consulting different stored procedures, consulting .net Framework 4.5 Web Services and other applications working on SQL Server Database.

EDUCATION
2002 – 2003    
UNIVERSIDAD LATINA DE COSTA RICA                                                                    San José, Costa Rica
Master in Networks.
2000 – 2001 
UNIVERSIDAD LATINA DE COSTA RICA                                                                    San José, Costa Rica
Software Development Degree.
1995 – 1999 
UNIVERSIDAD LATINA DE COSTA RICA                                                                    San José, Costa Rica.
Bachelor in Software Development.
                    
1989 - 1993  
COLEGIO MAURO FERNANDEZ                                                                                 San José, Costa Rica
High School Degree.