Leonardo Olivera

SR JAVA AWS Engineer / Developer at Kenility
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Contact Information
us****@****om
(386) 825-5501
Location
Argentina, AR
Languages
  • Inglés Full professional proficiency

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Experience

    • United States
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • SR JAVA AWS Engineer / Developer
      • May 2020 - Present

      SR JAVA AWS Engineer / Developer (Back-End)BackEnd development (Java) deployed in AWS Cloud. RESTful APIs used by Web UI applications.TASK/PROJECTS>> Backend APIs, Using Java 8, SpringBoot, Hibernate, Maven, AWS (S3, EC2, EBS, RDS, SQS/SNS, CloudWatch). SR JAVA AWS Engineer / Developer (Back-End)BackEnd development (Java) deployed in AWS Cloud. RESTful APIs used by Web UI applications.TASK/PROJECTS>> Backend APIs, Using Java 8, SpringBoot, Hibernate, Maven, AWS (S3, EC2, EBS, RDS, SQS/SNS, CloudWatch).

    • United States
    • IT Services and IT Consulting
    • 400 - 500 Employee
    • SR JAVA AWS Engineer / Developer (Back-End)
      • May 2019 - May 2020

      Remote Work for a North American IT Company (Valtira). BackEnd development (Java, Node JS) deployed in AWS Cloud. RESTful APIs used by Mobile and Web UI applications.Functional and Technical Architectonic definition for all those APIs.TASK/PROJECTS>> Backend APIs, Using Java 8, Spring, Guice, Hibernate, Maven, Shopify API. AWS (S3, Lambdas, StepFunctions, RDS, DynamoDB, SQS/SNS, CodePipeline, API Gateway, CloudWatch, SAM CloudFormation). Scrum Customers: “Tasteocracy“, “Jostens“, “Blue Cross Blue Shield“, “Point One Central“. >> BackEnd APIs: Using Node js, JS, Sequelize ORM AWS (S3, Lambdas, StepFunctions, RDS, SQS/SNS, CodePipeline, CloudWatch, Terraform Cloud Formation) Scrum Customer: “Blue Cross Blue Shield“>> Boot Process : which automates csv downloading and generates enterprise custom Reports. Using Test Automation : with Selenium WebDriver (java) Apache POI (to build custom .xlsx) AWS (S3, EC2) Customer: “Moscoe Group“SKILLSRESTful, JAVA 8, NodeJS, AWS, Spring, Hibernate, Maven, Selenium, GIT, SCRUM.

    • United States
    • IT Services and IT Consulting
    • 700 & Above Employee
    • SR JAVA Developer (Front-End / Back-End)
      • Aug 2016 - May 2019

      BackEnd and FrontEnd development (Java, Perl, JSP, React). Functional and Technical Architectonic definition for created APIs. Use of Agile Methodologies (SCRUM, Three Amigos, TDD), Code Review (Stash).Customer: SouthWest AirlinesPROJECTS / TASK>> Development new Dotcom Application Backend: RESTful APIs - Microservices Architecture. Using: Java 8, Spring, Hibernate, Gradle, JUnit, Custom Libraries, Jenkins Frontend: SPA created using: React, JS, HTML, CSS>> Maintenance of Legacy Dotcom ApplicationMonolithic Application.Backend: Using Java 7, Spring, Hibernate, Gradle, Jenkins, Frontend: JSP, HTML, CSS, JS.>> Maintenance Internal Stand-Alone ApplicationsStandAlone BackEnd Application for Internal Use. (Reporting, Monitoring, Retry transactions against DDBB, Scheduled Batch Process). Using Java 7, Perl 5, Spring, Hibernate, Maven, Groovy, Scripting. SKILLSRESTful, JAVA 8, React, Spring, Hibernate, JSP, JS, HTML, CSS, Groovy, JUnit, Gradle, GIT, Stash/Bitbucket, Agile Methodology (SCRUM, Three Amigos, TDD).

    • SSR JAVA Developer (Front-End / Back-End)
      • Feb 2015 - Aug 2016

      PROJECTS / TASK>> FrontEnd and BackEnd J2EE WEB Applications Development: Using: Java 7, ZK UI Framework (MVVM), Spring, Hibernate. Maven, PL/SQL development.To give support to the management of labor hours in the Car production line.Customer: FIAT (FCA). Project PO Mano de Obra>> Development and modification of Oracle BPM and SOA applications (using BPEL):To give support to several kinds of processes such as : shipping, invoicing, among other tasks.Customer: ARCOR (important ARG food company).SKILLSJAVA J2EE 7, ZK 7 (MVVM y MVC), PL/SQL , Jboss 7.1, Oracle WebLogic 12c, SVN, Oracle BPM and SOA Suite 12c, Oracle DB.

    • Argentina
    • Information Technology & Services
    • 100 - 200 Employee
    • SSR JAVA Developer (Back-End)
      • Jun 2014 - Feb 2015

      PROJECT / TASKSBackEnd J2EE Applications Development applying SOA architecture.Creation of the entire “web services layer” (SOAP) for customer service channels applications. Migration of features from database logic.Using: Java 7, Hibernate, Maven, PL/SQL functions.Customer: CLARO (important mobile phone company)SKILLSJAVA J2EE 7, Web Services (SOAP), Apache Axis (WS client), Oracle WebLogic 12 , Tomcat 7, PL/SQL, Oracle DB, SVN, Oracle Designer. PROJECT / TASKSBackEnd J2EE Applications Development applying SOA architecture.Creation of the entire “web services layer” (SOAP) for customer service channels applications. Migration of features from database logic.Using: Java 7, Hibernate, Maven, PL/SQL functions.Customer: CLARO (important mobile phone company)SKILLSJAVA J2EE 7, Web Services (SOAP), Apache Axis (WS client), Oracle WebLogic 12 , Tomcat 7, PL/SQL, Oracle DB, SVN, Oracle Designer.

    • United States
    • IT Services and IT Consulting
    • 700 & Above Employee
    • SSR JAVA Developer (Front-End / Back-End)
      • Nov 2013 - Jun 2014

      BackEnd and FrontEnd development of dotcom applications.. Functional and Technical Architectonic definition into the Team. Use of Agile Methodologies (SCRUM), Code Review.Customer: LATAM AirlinesPROJECTS / TASK>> Development new Dotcom Application Backend: RESTful APIs - Microservices Architecture. Using: Java 7, Spring, Hibernate, Maven, JUnit, H2, Jenkins, Sonar. Frontend: Backbone js, HTML, CSS, Bootstrap>> Maintenance of Legacy Dotcom ApplicationMonolithic Application.Backend: Using Java 7, Perl MVC, Spring, Maven, Jenkins, mysql, Frontend: HTML, Jquery, JS, Ajax , CSS. SKILLSJAVA J2EE 7, Perl MVC, Web Services (SOAP, RESTful) ,Spring, Junit , HTML, JQuery, JS, Ajax , CSS, Bootstrap, JPA/Hibernate, JBoss 7.1, Maven, SVN, H2 DB, MySQL DB, Design patterns, Agile Methodology (SCRUM, TDD)

    • JR JAVA Developer (Front-End / Back-End)
      • Jan 2012 - Nov 2013

      ERP Development (Front-End and Back-End layers).Customer: Mariano Fernandez (important beer distributors in Argentina) >> Extensive knowledge about ERP processes and modules (Logistics and Stock, Suppliers, Sales, Financial and Accounting Management)>> Web Architecture in layers, Client, Server, MVC.>> Performed Business analysis.>> Interacting with the customer: analysis of requirements and support.SKILLSJAVA J2EE 6/7 , EJB 3.0, JSF (RichFaces), HTML, Ajax, JS, JPA/Hibernate, JBoss 5.1, Tomcat 7.0, Maven, SVN, PostgreSQL DB, MySQL DB, Design patterns.

    • Argentina
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • VBasic/T-SQL Developer
      • Sep 2008 - Dec 2011

      BackEnd and FrontEnd development of Production Desktop applications, based on VBasic. Functional and Technical Architectonic definition into the Team.PROJECTS / TASKSProduction Management Application Development (ERP + MRP)>> Extensive knowledge about processes and modules. (MRP - Production factory, Engineering, Sales, Purchasing, Stock Management, Financial, Access Control).(Customer: important global automotive parts manufacturing company)>> Work on site: analysis of requirements and support.SKILLSBasic 6, VBScript , T-SQL, SQL Server 2005/2008 , Crystal Report 11

    • Responsable de Compras
      • Jul 2007 - Sep 2008

      Support for the definition of functional requirements ofPurchases and Production Software.Negotiation of products (Price, Quality, etc.) with suppliers nationwide.Purchase planning establishing the most appropriate strategy for each product.Definition of supply needs through Sales Forecasting (Statistical analysis of sales by product, brand, item, etc.). Tracking / Activation Management of the ordered material.Incorporation of new suppliers.Supplier Evaluation. Support for the definition of functional requirements ofPurchases and Production Software.Negotiation of products (Price, Quality, etc.) with suppliers nationwide.Purchase planning establishing the most appropriate strategy for each product.Definition of supply needs through Sales Forecasting (Statistical analysis of sales by product, brand, item, etc.). Tracking / Activation Management of the ordered material.Incorporation of new suppliers.Supplier Evaluation.

Education

  • Universidad Tecnológica Nacional
    Ingeniería en Sistemas de Información, Tecnología
    2003 - 2013

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