Paulo Castello da Costa
Senior Software Engineer at Google
San Jose, California, United States
Summary
🤩
Rockstar🎓
Top SchoolPaulo Castello da Costa is a Senior Software Engineer based in San Jose with over two decades of experience building embedded systems, VoIP platforms and DSP-heavy applications, and six years in his current senior roles. He combines deep electrical engineering roots (MSEE, BSEE) with hands-on software leadership at companies including Google, Cisco and Philips, often bridging research-grade thinking and production delivery. At Google he has focused on scalable systems and CI/CD automation; his open-source work on grpc’s performance testing infrastructure showcases a knack for improving test automation and load-generation at scale. Known for turning complex low-level requirements into reliable systems, he brings both technical breadth across protocols and embedded domains and an attention to measurable performance improvements.
6 years of coding experience
22 years of employment as a software developer
MSEE, Electrical Engineering, MSEE, Electrical Engineering at Eindhoven University of TechnologyBSEE, Electrical Engineering, BSEE, Electrical Engineering at Instituto Tecnológico de Aeronáutica - ITA
Github Skills (19)
python10
scripting10
loadtest10
bash10
cicd10
performance-testing10
gcp10
automation10
script10
sh10
automations10
shell10
load-testing10
test-automation10
kubernetes9
Programming languages (3)
Github contributions (5)
grpc/grpc
Apr 2021 - Sep 2022
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
Role in this project:
DevOps Engineer & Automation Engineer
DevOps Engineer & Automation EngineerContributions:161 reviews, 54 commits, 165 PRs in 1 year 5 months
Contributions summary:Paulo primarily focused on automating and improving the performance testing infrastructure for gRPC. Their contributions included developing a load test configuration generator using Python, adding and updating load test templates, and integrating test runner into the CI/CD pipeline. They were also involved in modifying and improving the shell scripts used for running the performance tests. The impact of their work is evident in the ability to automatically generate the load test configurations, manage the tests, and improve the CI/CD process.
objective-ccpppythongrpcphp
paulosjca/test-infra
Oct 2020 - Feb 2025
Repo for gRPC testing infrastructure support code
Contributions:289 pushes, 219 branches in 4 years 4 months
infrastructure-testingprotobuftestinggrpcinfrastructure
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