Alvaro Viebrantz
Software Engineer (L4) at Google
Mato Grosso, Brazil
Summary
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Rockstar🎓
Top SchoolAlvaro Viebrantz is a software engineer with 12 years of experience building cloud-native and IoT systems, currently shaping developer experience for BigQuery and Google Cloud SDKs as an L4 engineer at Google. He combines deep embedded and backend expertise—from implementing Cloud IoT examples for ESP8266/ESP32 to improving BigQuery client libraries in Go—with a history of founding and scaling product engineering teams at startups like Golioth and Leverege. His background spans full-stack product development, cloud infrastructure, and data analytics, informed by early work on large fiscal data systems and fraud detection at SEFAZMT. An ex-Google Developer Expert in IoT and organizer of the DevMT group, he actively contributes to influential Google open-source repos that bridge embedded devices and cloud services. He holds a Computer Science degree from UFMT and a specialization in distributed software architecture, and often surfaces practical demos and end-to-end samples to help translate complex platforms into tangible user outcomes.
13 years of coding experience
8 years of employment as a software developer
The Pontifical Catholic University of Minas GeraisEnsino Médio, Ensino Médio at CEFET MTBachelor's degree, Computer Science, 8.7, Bachelor's degree, Computer Science, 8.7 at Universidade Federal de Mato Grosso
Portuguese, English
Stackoverflow
66reputation
1kreached
2answers
0questions
Github Skills (41)
c-language10
bigquery10
datatypes10
token-based-authentication10
data-engineering10
authentication10
token-authetication10
esp826610
jwt-authentication10
iot10
go10
sys10
jwt10
esp3210
embedded10
Programming languages (19)
Github contributions (5)
GoogleCloudPlatform/google-cloud-iot-arduino
Apr 2018 - Jul 2020
Google Cloud IOT Example on ESP8266
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:7 commits, 5 PRs, 21 comments in 2 years 3 months
Contributions summary:Alvaro primarily contributed to integrating Google Cloud IoT services with an Arduino environment, demonstrated by refactoring existing library APIs and adding support for new hardware such as the Genuino board. Key contributions involved implementing the CloudIoTCoreDevice class, which encapsulates authentication and HTTP path logic. The user also focused on adapting the example code for different hardware like ESP32 and ESP8266, including adapting and integrating MQTT examples.
esp8266google-cloud-iot
GoogleCloudPlatform/golang-samples
Aug 2022 - Nov 2022
Sample apps and code written for Google Cloud in the Go programming language.
Role in this project:Back-end Developer
Back-end DeveloperContributions:11 reviews, 8 commits, 12 PRs in 3 months
Contributions summary:Alvaro primarily focused on enhancing the Google Cloud samples in Go by addressing error handling and adding new features. They wrapped Go errors using `%w` for better context and implemented a quickstart example using the Arrow format for BigQuery data ingestion. Further contributions include adding a sample to check table existence, creating an ML model extract sample and a sample for inserting data with complex data types. The user also addressed a region tag issue for model export, added a sample to set the client endpoint, and integrated a BQ Data Transfer scheduled query.
gogoogle-cloudprogramming-languagegolangappengine
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