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Guilherme GarrosGG
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Guilherme Garros

@guilhermegarros

I build carrier-grade embedded Linux software for optical networking devices.

Brazil
Message

I'm building and maintaining C/C++ embedded Linux software for carrier-grade optical networking devices at Zhone, spanning hardware interfaces, system services, and application components.

I've delivered end-to-end functionality from UART and I²C hardware control through RESTCONF APIs and React/TypeScript web interfaces. My work includes thermal management for TEC hardware operating down to -40°C, EEPROM access, sensor integration, and register-level programming.

Previously on the Zhone Technologies project at Encora, I developed, reviewed, and refactored production C/C++ libraries for embedded Linux optical networking systems. I added support for hardware devices and optical pluggables while maintaining capability mappings, protocols, hardware configurations, and low-power functionality.

I work across multithreaded systems, networking, debugging, build integration, and automation, using Python and shell scripts to support development and testing. I've also integrated AI-assisted code-review workflows with GitLab and Bitbucket for international Agile engineering teams.

Experience

Work history, roles, and key accomplishments

EN

Embedded Software Engineer

Encora

Jan 2024 - Aug 2025 (1 year 7 months)

Developed, reviewed, and refactored production C/C++ libraries for embedded Linux-based optical networking devices. Added software support for new hardware and optical pluggables, and worked with Linux build systems and automation scripts.

EN

Software Engineering Intern

Encora

Sep 2022 - Dec 2023 (1 year 3 months)

Internship contributing to embedded software development for optical networking devices, including coding, debugging, and integration tasks.

Education

Degrees, certifications, and relevant coursework

PC

PUC Campinas

Bachelor of Science, Computer Engineering

2019 - 2023

B.Sc. in Computer Engineering from PUC Campinas, completed from 2019 to 2023.

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