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Vinny Miana, Software Developer in São Paulo - State of São Paulo, Brazil
Vinny Miana

Software Developer in São Paulo - State of São Paulo, Brazil

Member since December 29, 2012
Vinicius is a seasoned, capable software architect who is an expert at developing efficient, scalable, and fault-tolerant server solutions for complex problems. He has extensive experience and skills with Agile processes as well as in Java, JEE, and Scala. He also excels at using open source solutions for projects.
Vinny is now available for hire
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Portfolio

Experience

Location

São Paulo - State of São Paulo, Brazil

Availability

Part-time

Preferred Environment

Git, IntelliJ, Linux

The most amazing...

...software I've built is a workforce optimization tool incorporating linear programming, statistics, and forecasting techniques to find an optimal work schedule.

Employment

  • Professor

    2005 - PRESENT
    Mackenzie University
    • Taught Java programming, algorithm design, data structures, web development, software quality, and Scala programming to students at both undergraduate and graduate levels.
    Technologies: Swift, Play, Scala, Apache Struts, Git, Spring, JEE, Java

  • Sr. Software Engineer/Head of Brazil

    2014 - 2016
    Gimbal (Formerly The Mobile Majority)
    • Collaborated with the development team working on the bidding and big data analytics platform.
    • Set up and managed the TMM branch in Brazil, including legal, accounting, tax, HR, budget, and financial reports.
    • Migrated the infrastructure from a bare metal on SoftLayer to a cloud based on AWS bringing improvements in performance and savings of over 30%.
    • Worked on the migration of parts of the platform from RoR to Scala.
    • Mentored and led the Brazilian development team.
    Technologies: Amazon Web Services (AWS), Ruby on Rails (RoR), Heroku, AWS, Apache Kafka, Play, Elasticsearch, Redis, MongoDB, Spark, Hadoop, Scala

  • Consultant

    2010 - 2013
    Vortex Technologies
    • Worked as an IT consultant to several companies, helping them define architecture, design, and develop their web applications.
    • Clients included two of the main hosting companies in Brazil, a major player in eCommerce payment systems, and an insurance company.
    Technologies: RabbitMQ, Scrum, Apache Velocity, Atlassian Confluence, Jira, Ant, Maven, JUnit, Oracle, PostgreSQL, MySQL, Subversion (SVN), RESTEasy, Hibernate, Apache Struts 2, Spring, Scala, Jetty, JBoss, JEE, Java

  • CTO

    2008 - 2010
    Hollywood Movie Magic/Serendipia
    • Implemented new CRM and accounting systems using open-source solutions for 60% of the code.
    • Maximized savings on software licensing and services costs.
    • Changed account bookkeeping methods to allow double entry recording and to comply with the needs of American and Mexican investors.
    • Implemented a print at home web system that allows customers to print movie tickets at home using the website.
    • Created several websites for the company's clients.
    Technologies: SugarCRM, Ajax, Apache Velocity, HTML5, Spring, Hibernate, Apache Struts 2, Joomla, MySQL, WordPress, PHP, Maven, Ant, Apache Tomcat, JEE, Java

  • Consultant

    2007 - 2007
    Locaweb
    • Transferred and integrated the technology for Vortex Workforce into Locaweb's VoIP call center product.
    • Redesigned product architecture to increase its scalability.
    • Implemented an Agile development process using XP.
    • Developed a feed from Asterisk logs to produce BI reports.
    Technologies: Apache Struts, JSP, Subversion (SVN), Hibernate, Spring, JEE, Java, Asterisk

  • Chief Technology Officer

    2003 - 2007
    Vortex Workforce
    • Worked with marketing and sales to target new customers.
    • Acted as product manager and main architect, defining the features and architecture for the final product.
    • Developed a Web 2.0 application that integrated Avaya's ACD to forecast call volumes and provide optimal work schedules for agents in a call center using the Monte Carlo method and linear programming techniques.
    • Managed development, operations, and support teams.
    • Negotiated product spin-out to Locaweb.
    Technologies: GLPK, JNI, Avaya AES, PostgreSQL, MySQL, Apache Struts, Ant, Apache Tomcat, Spring, Java

  • Professor

    2002 - 2005
    Sumare College
    • Supervised undergraduate theses.
    • Taught courses on Java development, project management, web development, data structures, software engineering, and advanced topics in computer science.
    Technologies: JEE, Apache Struts, JSP, PMI, Java

  • Systems Architect

    2000 - 2001
    DirecTV
    • Developed highly scalable enterprise application integration (EAI) systems to integrate billing (mainframe), inventory (SAP), CRM (Siebel), and satellite communications systems. The integrated systems were exposed to stakeholders through different channels, including web applications, IVR, and web services.
    • Designed and tested different architectures under high volume to meet pay-per-view scalability requirements.
    • Led and mentored a 20-person development team including developers, testers, and technical writers.
    Technologies: Rational Rose, Web Services, Siebel, SAP, Oracle Tuxedo, WebLogic, JEE, Java, XP

  • Systems Architect

    1999 - 2000
    General Reinsurance
    • Developed a turnkey B2B portal to quote and sell reinsurance.
    • Interfaced with clients to determine product requirements and negotiate project schedules.
    • Managed projects for a ten-person development team.
    • Interviewed and hired new software developers for the company.
    • Designed and implemented a scalable and robust J2EE architecture using WebLogic.
    • Refactored, improved, and integrated key parts of a legacy system.
    Technologies: JDBC, JSP, Servlets, Sybase, WebLogic, Rational Rose, Jakarta EE, Java

  • Software Engineer

    1999 - 1999
    Philips
    • Developed a speech recognition application for Vodafone (known as Omnitel – Italy).
    • Gathered requirements and wrote technical documents for the software companies involved in the project.
    • Designed and implemented system modules using HDDL (a proprietary language), C++ and Oracle 8.
    • Implemented demos in Portuguese and Spanish and acted as a sales/support engineer for Latin America.
    Technologies: Oracle, HDDL Plugin, C++

  • Software Engineer

    1998 - 1999
    Oldballgame.com
    • Developed a college recruting website for athletes.
    • Designed the software using UML.
    • Programmed in PERL, Java, and HTML.
    • Trained other team members in object-oriented programming and Java.
    Technologies: HTML, Perl, Java

  • Software Engineer

    1996 - 1998
    Hast Technologies
    • Designed and developed several modules of a business process control and decision support system for a paper factory.
    • Gathered requirements using CRC techniques.
    • Designed software using Rational Rose and ErWin.
    • Coordinated a four-person development and QA team.
    Technologies: JDBC, IBM Informix, Erwin, Java, Rational Rose, Delphi

Experience

  • Gimbal Integrated Mobile Advertising Platform
    https://gimbal.com/mobile-ad-platform/

    I migrated parts of the back-end from RoR to Scala/Java to improve performance and scalability and worked on the data platform and integrations with OpenX, Smaato, Pubmatic, and AdX

  • Locaweb Virtual PABX
    http://www.locaweb.com.br/produtos/pabx-virtual.html

    This is Locaweb's virtual PABX website, for which I designed the architecture and also integrated Vortex Workforce software.

  • General Reinsurance B2B Portal

    This is the current version of the site, for which I led the first development and launch in 1999.

Skills

  • Languages

    Java, Scala, Swift, HTML5, HTML, Delphi, Pascal, Python, PHP, C, C++, Perl

  • Frameworks

    Apache Struts 2, Apache Struts, Spring, JUnit, Hibernate, Play Framework, ASP.NET, Play, JSP, Apache Velocity, JNI, Spark, Ruby on Rails (RoR), Akka, Hadoop, Apache Spark

  • Tools

    Eclipse IDE, Maven, Apache Ant, Jira, Atlassian Confluence, Git, Asterisk, Subversion (SVN), Apache Tomcat, SugarCRM, Avaya AES, Oracle Tuxedo, Rational Rose, Erwin, Jetty, IntelliJ, RabbitMQ, AWS ECS, Amazon SQS, SBT

  • Paradigms

    Object-oriented Programming (OOP), Test-driven Development (TDD), Agile Software Development, Functional Programming, Concurrent Programming, XP, Scrum

  • Platforms

    Linux, Windows, NetBeans, Oracle, JEE, WordPress, Joomla, Jakarta EE, JBoss, Heroku, Amazon Web Services (AWS), Apache Kafka

  • Other

    OAuth, log4j, Apache Commons, Ant, Ajax, GLPK, PMI, WebLogic, SAP, Siebel, Web Services, Servlets, HDDL Plugin, AWS

  • Storage

    MySQL, Memcached, PostgreSQL, Sybase, IBM Informix, Redis, MongoDB, Elasticsearch, AWS S3

  • Libraries/APIs

    JDBC, RESTEasy, Spark Streaming, Twitter API, LinkedIn API, Google API, Facebook API

Education

  • PhD degree in Software Engineering
    2006 - 2011
    São Paulo University - São Paulo, Brazil
  • M.S. degree in Software Engineering
    2002 - 2004
    São Paulo University - São Paulo, Brazil
  • B.S. degree in Electronic Engineering
    1991 - 1995
    Aeronautics Institute of Technology - SJC, Brazil

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