Senior Firmware Engineer

• Oct 2021 - Present

Senior Software Engineer

• Apr 2020 - Sep 2021

Since 2020 I`ve been working at Pagseguro as a Senior Software Engineer, developing and maintaining payments solutions for Linux embedded POS. Where I work with: Between my main knowledge are: • Project management using Kanban and JIRA. • Application and libraries development in C; • Software architecture definition. • Automated tests with BDD, SpecFlow and C#; • Unit tests with Gtest/Gmock in C++; • Production monitoring using Splunk; • CI/CD using Jenkins, github and JIRA; • Processes automation using Python 3; Show less

IOT Engineer

• Jan 2019 - Mar 2020

In 2019 I started at Yellow Micromobility as an IoT Engineer, being responsible for following up hardware and Firmware project with 3rd party partners on china, while developing the own technology in house. Here I had the opportunity to work with: • Project management using Kanban and JIRA. • Software and Hardware Architecture definition. • Programing languages C/C++, ARM assembly, Python 3, Makefile and shell script. • ARM Cortex M4; • Protocols such as BLE, TCP/IP, MQTT, I2C, SPI, USART, RS485, GPRS, LTE CAT-M1 and NB1; • Localization technologies GPS and GNSS ; • Bootloader and Firmware update over the air (FOTA); • Schematic and Layout development of a 4 layer PCB using Kicad; • Firmware and Hardware Debugging; • Process and tests automation using Python 3 Show less

Firmware developer

• Oct 2012 - Jan 2019

In 2013 I have started to work with embedded systems at Gertec Brasil, developing test applications and server applications for price consulting devices in C/C++ and Object Pascal. In the next years I helped to deliver three complex projects where I've worked with: • Programing languages C/C++, ARM assembly, Object Pascal, Makefile and shell script. • Software architecture definition. • ARM microcontrollers Cortex M3, and ARM7; • Communication protocols such as Bluetooth, TCP/IP, USB , I2C, SPI, USART • Secure boot chain and Cryptographic algorithms RSA, AES, DES, TDES, DUKPT, SHA end so on; • Firmware and Hardware Debugging; • Peripherals ADC, DAC, Matrix Keypad, PWM and so on; • Card Reader Interfaces Smartcard, Magnetic and NFC Contactless; Show less