Mateusz "Serafin" Gajewski
Software Engineer at trinodb starburstdata
Poland, United States
Summary
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RockstarMateusz "Serafin" Gajewski is a software engineer with 12 years of experience, based in Poland and with ties to the United States. Describing himself playfully as a "Software Janitor," he brings pragmatic, hands-on expertise in maintaining and improving codebases, likely thriving on refactoring, debugging, and keeping systems healthy. His long experience suggests deep familiarity across the stack and an ability to deliver reliable, maintainable software over time. Colleagues can expect a practical problem-solver who values code quality and long-term technical hygiene.
12 years of coding experience
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (200)
data-stream10
testing10
proxy10
instrumentation10
hadoop10
protoc10
http-client10
code-generation10
kotlin-extensions10
command-line-tool10
test-container10
remote-execution10
cpp10
k8s10
openapi10
Programming languages (16)
Github contributions (5)
wendigo/tempto
Jul 2020 - Jun 2026
A testing framework for Presto
Contributions:25 pushes, 17 branches in 6 years
prestotesting
wendigo/docker-images
Jun 2020 - May 2025
Docker images for Presto integration testing
Contributions:65 pushes, 55 branches in 4 years 11 months
testingdockerdocker-imagesprestointegration-testing
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