Patrick Oyarzun is a Principal Software Engineer with 12 years of experience building scalable back-end systems and leading engineering teams, currently driving adaptive telemetry and storage work at Grafana Labs. He brings deep expertise in Go, Java, and TypeScript and applies Extreme Programming principles to improve team effectiveness while prioritizing work–life balance. At Grafana he contributed to the widely used Mimir project, refactoring configs, improving local limits and test coverage to strengthen long-term Prometheus storage. His background spans technical leadership roles at Pivotal and mobile backend work at Toast Mobile, giving him a rare mix of greenfield, modernization, and production-hardened system experience. Known for teaching by doing, he pairs hands-on coding with mentorship and pragmatic architecture decisions that reduce complexity and operational risk.
12 years of coding experience
11 years of employment as a software developer
Bachelor of Science (B.S.) Computer Science, Bachelor of Science (B.S.) Computer Science at University of Louisiana at Lafayette
Contributions:200 reviews, 43 commits, 100 PRs in 11 months
Contributions summary:Patrick primarily focused on refactoring and removing obsolete configuration options within the Grafana Mimir codebase. They removed a specific configuration option, `limits.enforce_metric_name`, and made changes to default chunk streaming. They also made contributions to local limits implementation. They worked on improving test coverage, including the addition of smoke test mode and improved error handling.
Contributions:63 commits, 47 pushes, 5 branches in 6 months
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Patrick Oyarzun - Principal Software Engineer at Grafana Labs