Mauro Stettler is a Principal Software Engineer with over 16 years building and operating high-performance Linux/Unix systems and distributed time-series platforms. Currently at Grafana Labs, he specializes in Go-based backend engineering for scalable, multi-tenant Prometheus ecosystems and has contributed to prominent open-source projects like Prometheus, Thanos, Cortex and Grafana Mimir. His strengths lie in debugging complex distributed systems, spotting bottlenecks, and implementing pragmatic fixes—ranging from matcher/RPC changes to performance queuing and validation refactors. Mauro pairs deep systems knowledge with hands-on operational experience, authoring infrastructure code and production tooling for Kubernetes and hosted metrics stacks. He brings a history of cross-domain work from low-level C and systems administration to cloud automation and Python services. Based in Asuncion, Paraguay, he combines a curious, investigative mindset with a track record of improving the reliability and extensibility of critical monitoring infrastructures.
16 years of coding experience
20 years of employment as a software developer
Bachelor’s Degree BSc (Honours) Computing & IT, Bachelor’s Degree BSc (Honours) Computing & IT at The Open University
Completion of Apprenticeship Systems Engineer, Completion of Apprenticeship Systems Engineer at BZU Uster (Zurich, Switzerland)
Contributions:124 commits, 51 PRs, 146 pushes in 5 years 1 month
Contributions summary:Mauro primarily contributed to the backend of the graphite-web project, implementing and optimizing core functionalities. Their work involved modifying existing code to use multiprocessing.pool.ThreadPool for improved performance, particularly in areas like storage and remote data fetching. Furthermore, the user added a time logging utility for performance analysis and made other minor fixes related to the code base. They also worked on improving the handling of parameters and error messages.
Fast carbon relay+aggregator with admin interfaces for making changes online - production ready
Role in this project:
Back-end Developer
Contributions:1 release, 1 review, 55 commits in 2 years 10 months
Contributions summary:Mauro focused on implementing and refining functionality related to parsing and handling metrics data within the carbon-relay-ng system. Their contributions included adding tag parsing capabilities, modifying data structures, and improving the handling of metric names. The user also made infrastructure-related changes, updating network connection parameters and integrating a backoff mechanism for network operations. These changes improved the system's ability to process and relay metrics data.
admin-interfacemonitoringgraphitegocarbon
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.