Analyzed and documented with AI in UML charts. Developed Google Application Integration flows to migrate Core layer from Cobol with Python and AI software project for Banco Ripley. Developed microservices in Java 17 with API integration in Enterprise team using Feign client, made calls to Oracle stored procedures migrating Java legacy code for Banco de Chile. Implemented research of JasperReports, Apache POI of high complexity. Used GitHub Copilot. Developed BFF on Java 17 integrating sync and async Servipag APIs in person team for account payment with Feign client for Security Bank. Developed BFF on Java 8 integrating sync and async APIs at factory team for investment, pay media, and fraud communities with successful production deployments for Itaú Bank, utilizing agile methodology, Jira, and Kanban. Performed Merge Request revisions for partners. Implemented improvements in specification documents like the BFF manual and good practices for possible use cases. Documented Swagger API.

Developed a New Products Dashboard for BF Colombia business, successfully creating a Product Dashboard in a local environment for View suite to Angular migration. Used Docker Swarm and Portainer to set up the local stack. Utilized Redis, View suite (Java powered), Postman, GitLab CI, and Maven to compile the Banking Server. Performed Java maintenance in the middleware Java application Banking Server BFCL and created canonical and orchestrated OSB SOAP services for card movements with production success for Coliving SAT/SATIF, BF Chile. Used GitLab, Postman, and REST. Advanced life insurance with production success. Performed Java maintenance in Banking Server CMRCL and CMRMX with REST for the mobile channel for ABR/Unification. Implemented OSB 11 for payment subscriptions CMRCL. Developed Java Spring Boot/Angular for user management, upgraded Angular 7 to 9. Developed microservices in Node.js Turnero feature with Express framework for Omnichannel2, CMR Argentina. Used Visual Studio Code, Postman, NPM, and mutation tests with Stryker. Managed secrets with Vault. Used Redis as cache. Implemented changes and fixes in OSB 11 web services to be consumed by Salesman Website Executives.

Performed maintenance and evolutive development in Java applications like ICL, Cuentas, and Gestor Documental for DUOC client. Used EJB 3, JBoss 4, and EAP 7. ICL was successful in production to process certificates requested by the Cuentas application. Developed Oracle SOA Suite 12 (OSB) with JDeveloper, pipelines, XPath, and XQuery with dynamic replace and routing for Derco client with SAP ERP and SAP Retail projects. Created UML documentation with Enterprise Architect. Integrated services between SAP and Paperless, WMS.

Developed in the Enterprise Internet channel for New Funds Transfer of Banco de Chile to replace legacy services on Java EE and C, using SoapUI. The event was successful in production. Integrated three operations of web service statement in Eclipse using EJB, JUnit, WebSphere 5.1/6, and iPlanet (Sun One Server 6.1). Developed C middleware servers for channels using Eclipse CDT and gSOAP library for funds transfer web service and statement, caching property files in UNIX (AIX) memory segments, performing unit tests using Unity.

Maintained middleware services on WebSphere Broker Toolkit with XSLT and ESQL orchestration to transform plain messages to XML from Cobol CICS to channels (web, touchpoint, and mobile) and vice versa. Performed error analysis through logs. Developed View tier for BancoEstado Project using Eclipse, Spring MVC AbstractWizardController, jmesa, JasperReports design, Jibx, DWR, JUnit, XML, Maven. Conducted research and documentation about Spring MVC at Google Sites.

Performed J2EE programming for a Telefónica Project with Spring framework, Quartz (task scheduler), IceFaces, Hibernate, DB2, and WebSphere Application Server (WAS). Created an Axis 1 Web Service. Read/wrote CSV files for SAP integration and Excel file loading. Performed J2EE programming for the account panorama module of BCI Project with new e-bills, using Eclipse, Struts, EJB 2.1, and WebLogic AS for deployment, agile methodology (XP, Kanban, Scrum). Gained BCI architecture knowledge. Used Visual Paradigm (modeling tool). Managed and wrote technical procedures in a corporate Wiki (Bitweaver powered) for partners.

Performed J2EE programming for an HHRR suite. Used MyEclipse Struts with DynaActionForms, Hibernate (HQL, SQL), JSP, jQuery (Ajax), Oracle 10g, TOAD for data migration, and JBoss Server configuration. Generated an insert-select to automate data table population with digital signature matrix card data at DGAC (Dirección General de Aeronáutica Civil), saving time and reducing errors. Implemented advanced queries. Developed a generic jQuery validator in web forms. Generated numeric code for hierarchical organizational units (tree) using recursion.

Provided outsourcing services for Synapsis. Performed J2EE maintenance for government institution INP. Used Eclipse with Oracle ADF framework for the presentation layer, CVS, Tomcat, and TOAD for SQL query optimization and text data exporting.

Performed J2EE programming for a mining equipment maintenance project. Used PostgreSQL 8, CVS, Eclipse, DAO, JSP, JSTL logic, and function tags (Struts). Developed classes and JSP with field validation to allow generic CRUD of project database tables. Performed Ruby on Rails programming with NetBeans in Windows for a truck monitoring system. Used SVN, Excel, PDF export, and a data grid with ordering filter by column and pagination, multimodel forms with validation, up & down migrations including cascade constraints, indexes, and data population. Performed unit and functional testing. Implemented globalization. Performed XPath parsing for processing reports exported from Crystal Reports Server 2008 to XML. Used a SOAP Web Service Client to visualize a report. Implemented background Ruby processes. Programmed in Business Enterprise and Web Services Java API to get XML from Crystal Reports Server 2008 to Tomcat server. Programmed in ActionScript 3 for a truck made in Flash; it blinks a wheel upon URL parameters.

Performed J2EE intranet maintenance in the broker registry area. Developed in IBM RAD (WebSphere) 6, EJB, ClearCase (versioning), ClearQuest, Rational Portfolio Manager (RPM) for task management, Sybase SQL with Squirrel, XMLSpy 2007, and Apache FOP/XSL for PDF generation, JavaScript. Documented repetitive procedures for better efficiency.

Performed configuration management oriented to deploy new features in CDT (Centro de Desarrollo Tecnológico) Intranet. Developed in Eclipse with Struts 1.1, Linux, Tomcat 5, Sybase SQL with Squirrel, DBVisualizer, JavaScript for select boxes connected with arrays structure, and the Java HSSF (POI) library for Excel reports.

Performed J2EE programming for Kaufmann about car maintenance costs. Developed data and business layers with iBATIS DAO, nested SQL queries with Squirrel, functions with SQL Programmer for Oracle 9, Tortoise CVS, and iReport/JasperReports. Created a function to get the checker digit of RUT. Tested J2EE methods in JUnit to ensure correct results.

Documented use cases (UML). Used Tortoise Subversion (SVN) for file versioning, created use case and process diagrams using Enterprise Architect.