Piotr Gaertig
Senior Software Engineer at B2B Online
Greater Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolPiotr Gaertig is a senior software engineer with 14 years of professional experience and over a decade of productive remote work, specializing in high-throughput Java systems, cloud migrations, and e-commerce platforms. He has led technical teams and large-scale migrations—most notably a no-downtime move of ~30 Java services to Kubernetes for a major UK telco—and mentors engineers while shaping integrations across OIDC/OAuth and telecom-grade cloud services. Currently consulting on e-commerce and investment-banking projects, he experiments with OpenAI APIs and modern Java features like Virtual Threads and Structured Concurrency to automate product content workflows. Known for pragmatic performance tuning using JVM telemetry and a habit of “playing with tech for fun and profit,” he combines hands-on implementation with strategic architecture and operational ownership.
14 years of coding experience
22 years of employment as a software developer
M.Sc. & B. Eng. Computer Science, M.Sc. & B. Eng. Computer Science at Poznan University of Technology
Stackoverflow
17,047reputation
4.8mreached
205answers
0questions
ruby
top-5%
debugging
top-5%
routes
top-1%
java
top-5%
elasticsearch
top-5%
encryption
top-1%
Github Skills (82)
routes10
resumable10
encryption10
ruby-on-rails10
tus10
openresty10
javascript9
validation9
linux9
socket9
ruby9
visual-studio9
lua9
eclipse9
activerecord9
Programming languages (5)
Github contributions (5)
pgaertig/metador
Oct 2014 - Mar 2021
Thumbnailer and metadata extractor as a service
Contributions:32 commits, 24 pushes, 4 branches in 6 years 6 months
extractionmetadata-extractorthumbnaileras-a-servicemetadata
pgaertig/nginx-big-upload
Mar 2013 - Sep 2019
Resumable and reliable file uploads of any size. Nginx extension written in Lua.
Contributions:41 commits, 7 PRs, 18 pushes in 6 years 7 months
nginxluatusreliableresumable
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