Cristian Greco
Principal Software Engineer at Grafana Labs
Apulia, Italy
Summary
🤩
Rockstar🎓
Top SchoolCristian Greco is a Principal Software Engineer with 16 years of experience, currently shaping scalable, reliable systems at Grafana Labs after progressing from Senior to Staff and now Principal roles. He combines deep backend and database expertise with a talent for leading cross-functional teams, mentoring engineers, and delivering technically challenging projects from inception to production. An active open-source contributor and long-time Debian Developer, he has improved observability tools used widely in the community, including contributions to Prometheus exporters and Grafana’s phlare continuous profiling backend. Colleagues describe him as a calm, empathetic leader who builds strong team culture and thrives when learning while shipping value. Based in Apulia, Italy, he pairs a practical engineering mindset with a commitment to readable, maintainable code across languages.
16 years of coding experience
18 years of employment as a software developer
B.Sc. Computer Science, B.Sc. Computer Science at Alma Mater Studiorum – Università di BolognaM.Sc. Computer Science, M.Sc. Computer Science at Università di Catania
Italian, English
Stackoverflow
2,576reputation
167kreached
62answers
3questions
java
top-5%
jdbc
top-5%
Github Skills (39)
docker10
mysql10
configuration-management10
databases10
dockers10
java10
prometheus-exporter10
javas10
go10
prometheus10
aws10
profiling10
data-profiling10
cloudwatch10
performance-monitoring10
Programming languages (19)
Github contributions (5)
prometheus-community/yet-another-cloudwatch-exporter
Jul 2021 - Jan 2023
Prometheus exporter for AWS CloudWatch - Discovers services through AWS tags, gets CloudWatch metrics data and provides them as Prometheus metrics with AWS tags as labels
Role in this project:
Backend & DevOps Engineer
Backend & DevOps EngineerContributions:23 releases, 275 reviews, 64 commits in 1 year 6 months
Contributions summary:Cristian primarily contributed to the backend functionality of the Prometheus exporter, adding support for specifying external IDs in IAM role ARNs and refactoring the configuration file format. They addressed race conditions in the end-time updates of discovery jobs, improving the stability of the exporter. The user also made improvements to the code quality, including linting with GolangCI and fixing files that were not `gofmt`-ed, and refactored code into separate packages.
exporterprometheus-exportercost-optimizationamazonamazon-web-services
grafana/phlare
Jun 2022 - Jan 2023
🔥 horizontally-scalable, highly-available, multi-tenant continuous profiling aggregation system
Role in this project:Back-end Developer
Back-end DeveloperContributions:3 reviews, 8 commits, 4 PRs in 7 months
Contributions summary:Cristian contributed to the backend of the `phlare` project by addressing issues and adding features. Their work involved replacing components, adding and modifying Java code examples, and optimizing performance by reducing CPU usage. They also fixed a metrics range related to the distributor and corrected a duplicate block of code within the usage stats reporter.
scalableperformance-monitoringprofilingtenantaggregation
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