Poyzan Taneli
Engineering Manager at Grafana Labs
London, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolPoyzan Taneli is an engineering leader based in London with 8 years of experience building and scaling backend systems for high-throughput platforms. Currently an Engineering Manager at Grafana Labs after progressing from Senior and Staff engineering roles on the Loki squad, he has deep hands-on expertise in log indexing and storage—having contributed the bloom-compactor component to the popular open-source Loki project. Previously at Twitter he worked on Graph Storage and migrated critical write pipelines to Kafka, demonstrating a knack for improving reliability in distributed systems. He combines technical depth with a social-science lens—holding advanced degrees in computer science and social anthropology—which informs his interest in digital communities, ethnography, and user research. That interdisciplinary background helps him spot human-centered opportunities in infrastructure work, from developer UX to product adoption. Colleagues describe him as a pragmatic engineer-manager who bridges production-critical systems work with thoughtful research-driven product decisions.
8 years of coding experience
7 years of employment as a software developer
Master of Arts (MA) Sociology and Social Anthropology, Master of Arts (MA) Sociology and Social Anthropology at Central European UniversityBachelor's degree Social and Political Sciences, Bachelor's degree Social and Political Sciences at Sabanci UniversityHigh School Education, High School Education at Robert CollegeUniversity College London
Github Skills (11)
data-storage10
distributed-systems10
go10
backend10
bloom-filter10
back-end-development10
index-management10
logging9
prometheus8
kubernetes8
kubernetes-pods8
Programming languages (4)
Github contributions (5)
grafana/loki
Apr 2023 - Apr 2025
Like Prometheus, but for logs.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:171 reviews, 70 PRs, 169 pushes in 1 year 11 months
Contributions summary:Poyzan primarily contributed to the development of the "bloom-compactor" component, a feature related to log indexing and storage within the Loki project. Their work involved adding foundational structures and functionalities, such as ring management and bloom filter creation, and setting up the framework for future component interactions. The commits also address startup errors and fix integration issues, ensuring the proper functioning of the new compactor and integration with other Loki modules. Further commits include the creation of a single bloom from a series, and adding compaction of multiple series to a bloom block.
logginglokigrafanaprometheuscloudnative
ptaneli/edx_cs50
Sep 2017 - Dec 2017
Contributions:47 pushes, 1 branch in 3 months
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