Heitor Machado

Heitor machado

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location of Heitor MachadoCampinas, São Paulo, Brazil
Phone number of Heitor Machado+91 xxxx xxxxx
Followers of Heitor Machado1000 followers
  • Timeline

    Dec 2007 - Jan 2009

    Analista Programador Java

    Nextel Brasil
    Jan 2009 - Dec 2009

    Analista Programador

    TIVIT
    Dec 2009 - Mar 2011

    Senior Java Developer

    Câmara de Comercialização de Energia Elétrica - CCEE (Chamber of Electric Energy Commercialization)
    Apr 2011 - Mar 2013

    Senior Java Developer

    Tokio Marine Seguradora S/A
    Jan 2013 - Mar 2014

    Senior Java Developer

    Grupo Empresarial Palma
    Jan 2014 - Jan 2015

    Performance Engineer

    Porto Seguro
    Jul 2015 - Dec 2016

    Senior Java Developer

    Certisign
    Jan 2017 - May 2018

    Senior Java Developer

    Senac
    Jun 2018 - Nov 2019

    Principal Software Engineer

    epag
    Dec 2019 - Nov 2020

    Software Engineer Specialist

    Intelipost
    Current Company
    Jan 2021 - Feb 2024

    Lead Software Engineer

    IOV Labs
    remote
  • About me

    Software Engineer Java | Performance Engineer

  • Education

    • Fiap

      2019 - 2020
      Master of business administration - mba solution architecture

      Leadership, architectural principles, design, implementation and governance of architectural artifacts.

    • Instituto brasileiro de tecnologia avançada - ibta

      2010 - 2013
      Analysis and system development information technology
  • Experience

    • Nextel brasil

      Dec 2007 - Jan 2009
      Analista programador java
    • Tivit

      Jan 2009 - Dec 2009
      Analista programador
    • Câmara de comercialização de energia elétrica - ccee (chamber of electric energy commercialization)

      Dec 2009 - Mar 2011
      Senior java developer

      Development of the billing system for the Brazilian electric energymarketing system. System of batch and web platform.Enviroment: JAVA/JEE 5, JDBC, Hibernate/HQL, Spring, Struts, UML, SVN, Oracle, Eclipse, Ant, Maven, Design Patterns, Ajax.

    • Tokio marine seguradora s/a

      Apr 2011 - Mar 2013
      Senior java developer

      Corrective maintenance and development of application systems, reception and renewal of insurance, impact assessment and continuous improvement planning for performance.Development of insurance underwriting reports segmented by type of customer, location, age and type of product. Development of monitoring panel for the customer acquisition strategies, and renewing insurance.Environment: JAVA/JEE 5, JDBC, TopLink/Oracle, Struts2, CVS, Eclipse, Maven, Design Patterns, Ajax, DWR, OC4J, JasperReports e Birt. Show less

    • Grupo empresarial palma

      Jan 2013 - Mar 2014
      Senior java developer

      Architecture and development of system to enhance the BI action in purchase planning area.Integration architecture between stores and the head office, planning and developing high-availability communications infrastructure.Environment: JAVA, Hibernate/JPA, Spring, Oracle, SQLServer, JSF2/Primefaces, SVN, Eclipse, Maven, Design Patterns, Ajax, JBOSS, Vertx, JMS, ActiveMQ, Webservice-REST, Lucene.

    • Porto seguro

      Jan 2014 - Jan 2015
      Performance engineer

      Analysis of web applications to identify bottlenecks, memory leaks and performance improvement opportunities.Planning improvements in systems for enhance scalability and support for large volumes.

    • Certisign

      Jul 2015 - Dec 2016
      Senior java developer

      Maintaining corporate website and web systems. Develop routines to consume and provide rest services.Architect and development of log ingestion, aggregation and indexing system. Develop and maintain cryptographic digital certification procedures.Environment: Jboss, maven, JSF, Spring, hibernate, Oracle. Solr, flume, BouncyCastle, JCE, JCA.

    • Senac

      Jan 2017 - May 2018
      Senior java developer

      Development of the national distance learning system Elaborate microservices implementation strategy for resiliency and large data volume.Environment: Docker, microservices, JBoss, maven, JavaEE, hibernate, oracle, Junit, Agile

    • Epag

      Jun 2018 - Nov 2019
      Principal software engineer

      Epag is a payments and remittances startup providing solutions for companies that sell in Brazil and collect abroadI was responsible for the architectural evolution of the platform improving reliability and scalability and defining best strategies to implement new features.key learnings:- Importance of clear communication- Risk assessment- Critical application management- Credit card payments system- Practice of high load systemsJava, Spring/boot, Microservices/REST, Docker, Aws, EC2, SQS, RDS, Cryptography/BouncycastleJenkins+bitbucket for deploy pipeline, Junit, Agile Show less

    • Intelipost

      Dec 2019 - Nov 2020
      Software engineer specialist

      Intelipost is a logistics integration startupKey responsibilities:- Defining strategies for migration from monolith to microservices- Evolve architecture to improve reliability and throughput- Improve latency - Defining architectures for high load applications- Interview senior and specialist developers candidatesKey learnings:- Customer handling- Low latency techniques- Logistics business rules- Business features versus technical tasks negotiationJava/spring, microservices, docker, rabbit, AWS (EC2, EKS, RDS, codedeploy, ELB), redisjenkins+github for deploy pipeline, Junit, Agile Show less

    • Iov labs

      Jan 2021 - Feb 2024

      Mining teamJava, Spring, Microservices, AWS, Postgresql, RabbitMQ, Junit, Agile, MongoDB Blockchain core developerJava, javascript, typescript, solidity, Junit, Agile

      • Lead Software Engineer

        Mar 2022 - Feb 2024
      • Senior Software Engineer

        Jan 2021 - Mar 2022
  • Licenses & Certifications

    • Ocjp - oracle certified java programmer 5

      Oracle
      Jun 2009