Piotr Popieluch
Data Reliability Engineer
The Hague, South Holland, Netherlands
Summary
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Rockstar🎓
Top SchoolPiotr Popieluch is a Data Reliability Engineer based in The Hague with 13 years of hands-on experience building and operating observability and platform infrastructure at firms like Adevinta, eBay and IMC Trading. He’s a pragmatic backend and DevOps engineer who has contributed to foundational open-source monitoring projects—improving Telegraf’s aggregator and Graphite’s carbon/whisper components—to make metric collection, storage and startup behavior more reliable. Comfortable across Python, Linux and deployment tooling, he’s repeatedly driven Python 3 modernizations, CI improvements and protocol fixes that reduce operational risk. Piotr combines platform-scale production experience with a history of package maintenance for Fedora/EPEL, showing attention to both developer ergonomics and long-term system health. An offbeat detail: alongside enterprise roles he’s freelanced and helped build community infrastructure like municipal Wi‑Fi early in his career, underscoring a practical, service-oriented engineering mindset.
13 years of coding experience
15 years of employment as a software developer
RHCE, RHCE at Red HatBachelor of Science (BS) Computer Science, Bachelor of Science (BS) Computer Science at De Haagse Hogeschool / The Hague University of Applied Sciences
Dutch, English, Polish
Stackoverflow
190reputation
10kreached
27answers
1question
Github Skills (49)
monitoring10
debug10
develop10
python10
django10
testing10
telegraf10
graphite10
time-series10
carbon-copy10
carbon-lang10
aggregations10
go10
agent10
twisted10
Programming languages (12)
Github contributions (5)
graphite-project/whisper
Feb 2017 - Dec 2020
Whisper is a file-based time-series database format for Graphite.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 reviews, 80 commits, 35 PRs in 3 years 10 months
Contributions summary:Piotr primarily contributed to the Whisper time-series database project by implementing new features and improving existing functionality. Their work included the addition of a tool (`whisper-set-xfilesfactor.py`) and refactoring of existing methods (`setXFilesFactor`, `setAggregationMethod`) within the core `whisper.py` file. The user also addressed issues related to relative paths in the `rrd2whisper.py` utility and improved testing by validating return values, which demonstrated a commitment to improving the project's overall reliability and usability.
time-series-databasepythonseries-databasefile-basedwhisper
graphite-project/graphite-web
Apr 2013 - Dec 2020
A highly scalable real-time graphing system
Role in this project:Back-end Developer
Back-end DeveloperContributions:9 reviews, 98 commits, 57 PRs in 7 years 9 months
Contributions summary:Piotr primarily focused on fixing bugs and improving the Graphite web application's functionality. Their contributions include resolving regressions in area mode rendering, addressing XSS vulnerabilities in user graph features, and fixing JavaScript and Python 3 compatibility issues. They also made several minor fixes, including Python 3 and Django 2 support, documenting the Carbon protocol, and adding new features like exp, sigmoid and logit functions.
scalablepythondjangographite-componentsgraphite-web
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