Piotr Wolski
Backend Developer at Datadog Inc
Denver, Colorado, United States
Summary
🤩
Rockstar🎓
Top SchoolPiotr Wolski is a backend developer with 10 years of experience, currently building application performance monitoring features on Datadog’s APM team. He specializes in tracing, metrics computation, and Kafka integrations—contributing significant work to high-profile Datadog open-source repos like datadog-agent, integrations-core, and dd-trace libraries. Piotr’s contributions include implementing consumer lag metrics, robust cache handling, sublayer metrics refactors, and trace-preservation logic, showing a blend of production-focused engineering and attention to data correctness. Based in Denver and educated at Telecom ParisTech, he brings cross-border experience (France/US) and a track record of shipping subtle but impactful telemetry improvements that improve observability at scale.
10 years of coding experience
Telecom ParisTech
French, Polish, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (27)
data-stream10
tracer10
python10
groovy10
testing10
distributed-tracing10
kafka10
java10
apm10
javas10
go10
apm-agent10
datadog10
trace10
metric10
Programming languages (9)
Github contributions (5)
DataDog/datadog-agent
Mar 2020 - Nov 2022
Main repository for Datadog Agent
Role in this project:
Back-end Developer
Back-end DeveloperContributions:90 reviews, 43 commits, 42 PRs in 2 years 8 months
Contributions summary:Piotr primarily focused on improving the sublayer metrics computation within the Datadog Agent's tracing functionality. Their work involved refactoring code, renaming variables, and updating comments to enhance code clarity and maintainability. The contributions focused on the `pkg/trace/stats` package, indicating expertise in tracing data processing and performance optimization. Additionally, the user collaborated on implementing sublayers computation within the trace agent and improving its overall functionality.
golangdatadog-agentagentobservabilitypmm
DataDog/dd-trace-go
Dec 2020 - Oct 2021
Datadog Go Library including APM tracing, profiling, and security monitoring.
Role in this project:Back-end Developer
Back-end DeveloperContributions:63 reviews, 30 commits, 20 PRs in 10 months
Contributions summary:Piotr primarily focused on enhancements to the Datadog tracing library. They modified the tracer to accurately mark top-level spans and renamed a related field to align with tracer standards. Additionally, the user addressed issues related to trace dropping, ensuring traces are kept when necessary based on error conditions or specific sampling criteria. They also added a span duration normalization to prevent negative duration values.
golangapmtracingdatadog-apmopentracing
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