Willian Valerio
Observability Engineer & Co-founder at Appoena
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolWillian Valerio is an observability-focused engineer and co-founder with 11 years of hands-on experience building cloud-native platforms and driving operational excellence from São Paulo. He has led observability, cost optimization and automation efforts across fintech and B2B companies, notably cutting AWS spend by 30% through tooling and process changes and introducing Terraform to shrink infrastructure provisioning from days to minutes. Willian pairs a strong DevOps toolkit (AWS, CI/CD, CloudFormation/Terraform, Jenkins/Rundeck) with customer-facing skills developed in sales and solutions engineering roles, enabling him to bridge technical execution and commercial outcomes. Comfortable in startups and enterprise environments, he combines early-career application development and legacy systems expertise with a modern focus on monitoring, SRE practices and observability-driven product improvements.
10 years of coding experience
2 years of employment as a software developer
Bachelor of Systems Information, Information Technology, Bachelor of Systems Information, Information Technology at Universidade São Judas Tadeu
Portuguese, English, Spanish
Stackoverflow
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Github Skills (38)
hugo9
strava-api9
datadog9
documentation8
profiling8
debugging8
security7
python7
cadvisor7
synthetics6
stack6
rocket6
application5
rum5
apm5
Programming languages (10)
Github contributions (5)
appoena/datadogpoweruser
Dec 2021 - Sep 2022
Repositorio com material de apoio do curso Datadog Power User
Contributions:19 commits, 2 PRs, 8 pushes in 9 months
material-destrava-apirepositoriopowerbarrage
willianvalerio/nginx-loadbalancer
Jun 2019 - Aug 2019
A simple NGINX as HTTP Load Balancer
Contributions:32 PRs, 87 pushes, 8 branches in 2 months
nginxload-balancerbalancer
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