Leon O.

Leon O. Email and Phone Number

Java Backend Developer @ Meta
Germany
Leon O.'s Location
Chile, Chile
About Leon O.

Scrum Master and Senior Backend Developer, Remote exclusively.I'm interested in video game industry. Actually studding for JCP Java Certification Professional. Portfolio: https://github.com/ooleon/BI, ETL, MicroStrategy, Pentaho, Bonita Soft, Teacher and Instructor, Developer's Guide, Business Inteligence Analist, Software Integrator, Java Backend developer, UML, MicroService, Rest, MQ, SAP Analist, Project Leader, PL/SQL and Game Developer also AutoCad operator. RDBMS: Oracle, Postgres and MySql.Email: leonscrumdev@gmail.com Talking Español and English Fluently, learning português.PS: I work with Backend, but I don't work with Frontend, nor Java Script, type script nor html, nor css.Thanks a lot.[Español]Facilitador, instructor, líder del proyecto, Coordinador, Scrum Master, Guía de desarrolladores.Especialista en: UML, Análisis y Programación Orientada a Objetos Desarrollador en Oracle PL/SQL, PostgreSQL, MySQL y también interesado en Desarrollo de video juegos y operador de AutoCad. Foco em Scrum, Gestão.

Leon O.'s Current Company Details
Meta

Meta

View
Java Backend Developer
Germany
Website:
grupo-meta.com
Employees:
8
Leon O. Work Experience Details
  • Meta
    Java Backend Developer
    Meta
    Germany
  • Meta
    Java Backend Developer
    Meta Mar 2021 - Present
    São Paulo, Br
    Java Developer Backend / CLTTechnologies used: Java BackEnd, Power BI, Java 8 SE, Java 7 EE, C#, Oracle PL/SQL, Microservice, Spring Boot, Elasticsearch, Mongodb, ERP, Git, Docker, Trello, Cloud Azure, Cloud AWS, JMS, message queuing services, Jenkins, CI/CD, Postgresql, WebLogic, Red Hat Fuse, SAP
  • Dnanet
    Java Backend Developer
    Dnanet Mar 2020 - Present
    Porto Alegre, Rs, Br
    Java Backend Developer, Technologies used Oracle PL/SQL, Backend, microservice, Java 8 SE, JPA 7, Spring, Spring Boot
  • Accenture Brasil
    System Analyst Sr.
    Accenture Brasil Oct 2018 - Jul 2019
    São Paulo, Sp, Br
    Develop Unitary and Automated Testing in Java and SoapUI.Generate Company Value by documenting automated test manuals for other professionals. Automation Testing, Software Development Participate in the analysis of projects to be implemented. Facilitate consultations to Juniors Developers. Support application in production development PL / SQL scripts from Oracle.Document test. Code maintenance, Apply Java development experience to troubleshoot source code problems.Functions: QA Test, Automation, Support Operations Support, Java Development, PL/SQL Development.Technologies: Java J2EE, Oracle PL / Sql, Oracle SOA Midleware. SoapUi, Svn, Git, Graylog, Jenkins, CI, Sounds, Rest, Jboss, Jboss Seam, Selenium Webdriver Automation with Chrome.
  • Fundaietic
    Director De Proyectos De Educación
    Fundaietic Oct 2015 - Apr 2017
    * Representar a la Fundación en area educativas. Trabalho voluntario.* Actuar como instructor de programación.
  • Fundaietic
    Instructor
    Fundaietic Oct 2015 - Apr 2017
    Instructor voluntario de programación.
  • Banplus Banco Universal C.A
    Ingeniero De Software
    Banplus Banco Universal C.A Jul 2016 - Mar 2017
    Caracas, Distrito Capital, Ve
    • Cargo misto entre Data engineer freelance e Software Engineer freelance. • Colaborar com equipes multifuncionais de departamentos de finanças marketing credito entre outros, Desenvolvendo microsserviços Financeiros e Scripts em Python, DJango, Flask, para criação de fontes de dados BI ETL para migração de cenários de testes de dados, Rest, SOAP. • Desenvolvimento e migração de mais de 200 microsserviços financeiros e scripts em torno de Python Java e C# .Net, Spring Data, para criar fontes de dados BI ETL para migração Power BI, bem como cenários de teste de dados, serviços Rest e SOAP. • Desenvolvimento e Implementações Microserviços para Banco Comercial, utilizando Java, Middleware Jboss Fuse, WebMethod, Workflow, .Net Framework, Windows Server, IIS, Postgresql, em Cloud AWS, GCP, Azure, aplicando Rest, SOAP. • Desenvolvimento, e implementações de Microserviços para Banco Comercial utilizando .Net C# Microsoft SQL Server. • Desenvolvimento e Implementações Microserviços para Banco Comercial, utilizando Java, Middleware Jboss Fuse, Postgresql, Cloud AWS, GCP, Rest, SOAP. • Como boa prática, os arquitetos e especialistas de DevOps informaram dos bancos, deram permissões de Sql Server em Azure e forma de conexçao para desenvolver as integrações solicitadas pelos departamentos requisitantes. • Colaborar com a equipe de arquitetura em Java e Kotlin para resolver problemas e com as equipes funcionais financeiras, econômicas e android. • Aplicar em estruturas de mapeamento objeto-relacional (ORM) de desenvolvimento. • Desenvolvendo de fontes de dados para Power BI, MicroStrategy. • Desenvolver serviços backend e APIs utilizando Python, C# e Java, garantindo alto desempenho, escalabilidade e confiabilidade. • Usar de tecnologias de conteinerização como Docker e ferramentas de orquestração de contêineres como Kubernetes para implantação de testes em desenvolvimento.
  • Z-Zeus Consulting
    Consultant (Software Architect) Focus On Scrum Master
    Z-Zeus Consulting Jan 2010 - Oct 2014
    Functions: Scrum Master, Coordination of development team, management and monitoring of projects, Training and coordination of programmers, Support to the management and monitoring of the project; Administration, Development and Maintenance of software. • Oracle PL / SQL and Java consultant. • training, user support, training, documenting projects.
  • Telefonica Movistar
    Project Management Specialist (Analyst)
    Telefonica Movistar Apr 2008 - Jan 2010
    Madrid, Es
    Functions: BI Analyst, Software supplier’s Coordinator, Automation Testing, Software Development • (Survey) Survey of Business Requirements • Project monitoring, Interaction with customers and suppliers, •Use of BI Pentaho, and Traditional ETL PL / SQL in SAP and Oracle Financials. • Training of users. Documentation of projects and systems in BPMN, • User management, Requirements taking, validation and monitoring with the user. • Maintenance and administration of Project Information System (SIP +) a WorkFlow PHP SqlServer based / BPM integrated to the platform and Java Oracle Developer for two information system at the same time. • Developer BackEnd of a system that replaced "Remedy" saving $ 40 thousand USD per year to the company. Tecnologies: UML, BPMN, Java, JSP, JSF, HTML5 and CSS3, Micro-services, http protocol (Get Post Put Delete), API driven development, RESTFul API design and implementation, Spring MVC, Struts, Spring, Hibernate, Web Sphere, Web Logic, Jboss, Jakarta Tomacat, Jquery, Prototype, Google Web Toolkit GWT, Oracle SQL, PL/Sql, Postgres, Apache Tomcat, Unix Linux, Sql Server, Remedy, Enterprise Architect, Microsoft Project.
  • Pdvsa - Oils From Venezuela
    Java Consultant
    Pdvsa - Oils From Venezuela Oct 2005 - May 2008
    AIT- Integral Development Solutions / Desarrollo Integral de Soluciones (DIS).Automation Testing, Software Development Documentation of systems in BPMN, Java / Oracle ASP.NET / SQL Server. Recovery, Development, Maintenance of systems, Training of VIP users. Management of the IDP system project, Daily Production Report. BI Project Analyst, Support and Training of management users using ETL through PL / SQL, Developer BackEnd.Technical system Analyst, Consultant. System developer for a information system.Office Support of the Vice President of Exploration and Production / (Allocated in Management of the Vice Presidency of Exploration and Production Unity)
  • Reparcel Import Ca
    System Analyst
    Reparcel Import Ca Jan 1998 - Sep 2003
    Strategic Consulting. Technical Advisor.
  • Banco Central De Venezuela
    Technical Advisor
    Banco Central De Venezuela May 1999 - Oct 2001
    Ve
    * Suporte a gestão.* Suporte para o bug do milênio.* Avaliação e ouvidoria do código VBA para o bug do milênio.* Suporte para usuários.

Leon O. Education Details

  • Universidad Nacional Experimental Politécnica De La Fuerza Armada
    Universidad Nacional Experimental Politécnica De La Fuerza Armada
    Information Technologes
  • Universidad 'Alejandro De Humboldt'
    Universidad 'Alejandro De Humboldt'
    Information Tecnologies
  • University Institute Of Technology And Industrial Administration (Iuta)
    University Institute Of Technology And Industrial Administration (Iuta)
    Information Tecnologies
  • Sap Latam Training Center In Venezuela
    Sap Latam Training Center In Venezuela
    Sap Overview

Frequently Asked Questions about Leon O.

What company does Leon O. work for?

Leon O. works for Meta

What is Leon O.'s role at the current company?

Leon O.'s current role is Java Backend Developer.

What schools did Leon O. attend?

Leon O. attended Universidad Nacional Experimental Politécnica De La Fuerza Armada, Universidad 'alejandro De Humboldt', University Institute Of Technology And Industrial Administration (Iuta), Sap Latam Training Center In Venezuela.

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