Joao Guimaraes

Experience

• 

  CAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior

  Oct 2013 - Jul 2015

  Pesquisador do Progama Jovens Talentos para Ciência da CAPES

  -Data acquisition and automation with the LabView platform.-Design of electronic circuits for monitoring automotive sensors.-Onboard Diagnostics and OBDII.

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  Autotrac Comércio e Telecomunicações S.A.

  Aug 2017 - Oct 2021

  -Development of electronic circuits using DC/DC converters, switching power supplies, MCUs, MPUs, DDR2, DDR3. Different communication protocols such as SPI, USB, RS485/RS422, I2C, 1-Wire, I2S. Focus on circuits for heavy duty vehicle and fleet monitoring using GNSS, Cellular technologies EMi and EMC.-Extensive use of Altium Designer Platform for schematic capture, multi-layer PCB Drawing.-Project documentation management, cost analysis and support for the assembly line. -Generation of fabrication drawings using SolidWorks. Show less

  • Hardware Engineer

    Dec 2018 - Oct 2021

  • Intern

    Aug 2017 - Dec 2018
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  Nexxiot

  Nov 2021 - May 2024

  Hardware Engineer

  -Specialized in hardware development for ultra-low power battery-powered devices, with a strong emphasis on supply chain management and rail fleet monitoring.-Led end-to-end product lifecycle, from conceptualization to high-volume production and validation.-Assisted in obtaining product certifications for the American (FCC & Hazloc/Ordloc) and European (RED & IECEx/ATEX) railway markets.-Oversaw the entire sensor portfolio roadmap and resource allocation.-DC/DC Converters, Cellular, GNSS, IEEE 802.15.4 RF Interfaces-Great domain of Altium Designer Platform for schematic capture, multi-layer PCB Drawing.-Hardware design validation. Show less