Sergio Santiago
Senior Site Reliability Engineer at Avalara
Minas Gerais, Brazil
Summary
👤
Senior🎓
Top SchoolSergio Santiago is a Senior Site Reliability Engineer with over a decade of hands-on experience building and operating large-scale, microservices-driven systems across Java/Kotlin backends and cloud-native platforms. He has driven reliability, observability, and incident response at FREE NOW and now Avalara, routinely leading on-call rotations, postmortems, and root-cause analysis using Prometheus, Grafana, Datadog, Elasticsearch and AWS. Comfortable both as a developer and architect, he has built CI/CD pipelines, container platforms (Docker Swarm and Kubernetes), and tooling to reduce toil and improve team productivity. His background includes leading engineering teams, designing real-time trading systems and co-founding a mobile startup, which gives him a rare blend of operational rigor and product-minded engineering. Based in Minas Gerais, Brazil, he pairs pragmatic SRE practices with deep Java/Spring expertise to deliver reliable, cost-effective services at scale.
11 years of coding experience
17 years of employment as a software developer
Bacharel em Ciência da Computação Computer Science, Bacharel em Ciência da Computação Computer Science at Universidade Federal de Uberlândia - UFUUniversity Exchange at Faculdade de Ciências Computer Science, University Exchange at Faculdade de Ciências Computer Science at Universidade do Porto
English, Portuguese, German
Stackoverflow
1reputation
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Github Skills (125)
devsecops10
sbom10
security-automation10
security10
dependency-track10
vulnerability-detection10
cyclonedx10
chain10
owasp10
vulnerabilities10
risk-assessment10
sca10
transformation10
software-composition-analysis10
intelligent10
Programming languages (11)
Github contributions (5)
freenowtech/opsgenie-oas
Sep 2022 - Oct 2023
Contributions:1 review, 2 PRs, 3 pushes in 1 year 1 month
freenowtech/tableau-prometheus-exporter
Aug 2023 - Apr 2024
Tableau Server Manager Prometheus Exporter
Contributions:3 reviews, 14 PRs, 61 pushes in 8 months
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