Lukasz Gut
Staff Software Engineer at Grafana Labs
Warsaw, Masovian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolLukasz Gut is a Staff Software Engineer based in Warsaw with eight years of experience building scalable, highly available, fault-tolerant distributed systems and extreme-throughput back ends. At Grafana Labs he focuses on system design, implementation and optimization, and he’s an active contributor to the popular open-source load testing tool k6—owning cloud output and request metadata integrations that improved tracing and test-run configuration. Before Grafana he built production systems at TikTok and contributed C++ work to CERN’s ATLAS experiment, demonstrating comfort across Go, C++ and large-scale infrastructure. He organizes the Golang Warsaw Meetup, reflecting a commitment to community knowledge sharing and continuous learning. Known for pragmatic design and rigorous testing, he often turns complex telemetry and connectivity requirements into robust, testable components.
7 years of coding experience
3 years of employment as a software developer
Master of Engineering - MEng Computer Science, Master of Engineering - MEng Computer Science at Warsaw University of TechnologyBachelor of Engineering - BE Applied Computer Science, Bachelor of Engineering - BE Applied Computer Science at AGH University of Krakow
Stackoverflow
16reputation
112reached
1answer
0questions
Github Skills (14)
golang10
loadtest10
performance-monitor10
go10
performance-analysis10
load-testing10
apidoc9
cloud-infrastructure9
api9
cloud-services9
grpc8
javascript7
k66
trace6
Programming languages (11)
Github contributions (5)
grafana/k6
Dec 2022 - Dec 2022
A modern load testing tool, using Go and JavaScript - https://k6.io
Role in this project:
Back-end Developer
Back-end DeveloperContributions:59 reviews, 1 commit, 9 PRs in 1 day
Contributions summary:Lukasz contributed significantly to the k6 project's cloud output functionality, focusing on integrating request metadata for tracing. Their work involved implementing the `RequestMetadata` output, returning empty strings instead of "unknown" values, and fixing insights client initialization. Furthermore, the user refactored the request metadata output into a separate package and integrated it with the cloud output v1, including implementing `NewDefaultClientConfigForTestRun` and adding `Timeout` to `ConnectConfig`. The user also fixed the k6-insights enabled check.
golangload-testingjavascripttestinges6
bald-org/bald-engine
Dec 2018 - Feb 2020
A 2D game engine
Contributions:35 commits, 88 PRs, 360 pushes in 1 year 2 months
game-engineenginegame-development
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