José Armando García Sancio
Summary
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RockstarJose Sancio is a seasoned software engineer with 15 years of experience building and leading distributed systems and backend infrastructure, currently driving work at Confluent in San Francisco. He brings deep expertise in Scala, Python and C/C++, strong theoretical grounding in computer science and mathematics, and practical experience automating complex build and deployment workflows for projects like Mesosphere's Universe and Apache Kafka. As an engineering manager-turned-practitioner, he combines hands-on coding—contributing to Kafka core features and docs—with leadership, clear technical communication, and a knack for stabilizing large-scale systems. Notably, his open-source contributions span both operational automation and core distributed-system enhancements, reflecting a rare balance of infrastructure, developer ergonomics, and algorithmic rigor.
15 years of coding experience
Github Skills (26)
userscripts10
docker10
back-end-development10
python10
package-management10
scripting10
testing10
kafka10
bash10
build-system10
dockers10
java10
cicd10
javas10
automation10
Programming languages (12)
Github contributions (5)
d2iq-archive/universe
Feb 2015 - Jan 2018
The Mesosphere Universe package repository.
Role in this project:
DevOps Engineer & Automation Engineer
DevOps Engineer & Automation EngineerContributions:93 commits, 132 PRs, 149 pushes in 2 years 11 months
Contributions summary:José's contributions primarily revolve around automating the build and deployment processes for the Mesosphere Universe package repository. This is evident in the implementation of scripts for downloading assets, generating universe JSON files, and fixing the local universe build process. The user also worked on fixing the sorting of package revision directories. These changes suggest a focus on improving the build, packaging, and deployment workflows.
mesospherepackage-repositorypackage-managerpythondcos
apache/kafka
Feb 2019 - Jan 2023
Apache Kafka - A distributed event streaming platform
Role in this project:Back-end Developer
Back-end DeveloperContributions:1606 reviews, 140 commits, 301 PRs in 3 years 11 months
Contributions summary:José made several contributions focused on enhancing the Apache Kafka backend functionality. They addressed consumer-related issues, such as handling assignments for unsubscribed partitions and improving error messaging in fetch responses, by modifying existing test classes. The user also implemented a new Leader Election Admin RPC (KIP-460), enhancing the cluster management capabilities. Finally, the user made various minor changes to improve code stability.
apache-kafkascalakafkajavastreaming
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