Krasimir Georgiev
Senior Software Engineer at Fourth
Sofia, Sofia-City, Bulgaria
Summary
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RockstarKrasimir Georgiev is a Senior Software Engineer based in Sofia, Bulgaria with 11 years of experience building reliable backend systems for cloud-native and blockchain domains. Currently at Fourth, he combines production-grade Go development with deep systems work—previous roles include contributions at Tellor.io, Prometheus, and Red Hat. An active open-source contributor, Krasimir improved query and compaction logic in the CNCF Thanos project, enhancing deduplication, TSDB integration, and receive reliability. He also focuses on blockchain MEV tooling around go/geth, bringing low-level protocol and performance sensitivity to application design. Known for tackling tricky edge cases in distributed storage and streaming pipelines, he balances pragmatic engineering with attention to observability and testing. Colleagues describe him as a steady problem-solver who surfaces subtle system behaviors before they become incidents.
11 years of coding experience
Stackoverflow
45reputation
9kreached
2answers
1question
Github Skills (16)
observability10
go10
prometheus10
backend10
back-end-development10
high-availability10
metric10
cnc9
storage8
query-optimization8
testing8
elasticsearch6
docker6
redis6
database6
Programming languages (29)
Github contributions (5)
thanos-io/thanos
Jun 2019 - Sep 2020
Highly available Prometheus setup with long term storage capabilities. A CNCF Incubating project.
Role in this project:
Backend Developer
Backend DeveloperContributions:52 reviews, 9 commits, 17 PRs in 1 year 3 months
Contributions summary:Krasimir made multiple contributions to the Thanos project, primarily focused on improving the query functionality, and compaction processes. They added features allowing multiple deduplication labels within queries, which required modifications to the testing suite. Furthermore, the user addressed issues related to TSDB integration, including flushing and the generation of index cache files, and refined the alert configurations within the project. The user also improved the reliability of the Thanos receive component by increasing the upload time checks.
promqlobservabilityprometheusstoragegoogle-cloud-storage
krasi-georgiev/test-infra
Jul 2018 - Jul 2020
Prometheus E2E benchmarking tool
Contributions:58 pushes, 95 branches, 1 tag in 2 years
stress-testingbenchmarkingbenchmarkprometheuse2e
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