~/README.md
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Jonas Petrik - Staff Engineer and Team Lead
Staff Engineer / Team Lead

> Jonas Petrik

Staff Engineer leading checkout at SCAYLE - the platform behind Harrods, Deichmann, and 100+ brands processing €6.5B+ yearly. Zero downtime Black Friday 2025 handling ~550 orders/minute. I put functionality and maintainability first, wear multiple hats (dev, devops, team lead, tech lead), and build systems that work at 3am without waking anyone up.

Languages
PHPGoTypeScript
Frameworks
LaravelSymfonyReact
Databases
RedisMySQL
Infrastructure
Road-RunnerFrankenPHPKubernetesDockerAWSDatadogSQSSNSGitLab CIk6
Practices
RESTMicroservicesPHPUnitJestCypressPlaywrightgRPC

> cat testimonials.md

# What colleagues say about working with me

~/testimonials/daniel-motzev.md
“When I joined anwalt.de, Jonas very quickly (I believe it was in the first day or two) stood out from the rest of my new...”
Daniel Motzev
Daniel Motzev
Lead DevOps at anwalt.de
February 20, 2024
~/testimonials/tarik-el-bouyahyani.md
“Working with Jonas was always a pleasure, professionally and personally. I can't remember a single workshop or scrum m...”
Dr. Tarik El Bouyahyani
Dr. Tarik El Bouyahyani
Project manager at anwalt.de
January 8, 2024
~/testimonials/bianca-della-rosa.md
“I recommend Jonas, acknowledging not only the commendable recommendations he has received, with which I totally agree, b...”
Bianca Della Rosa
Bianca Della Rosa
Frontend Engineer at anwalt.de
January 5, 2024
~/testimonials/osman-turan.md
“Jonas was one of the greatest team members I've ever worked with. He has extensive knowledge covering full stack softwar...”
Osman Turan
Osman Turan
Full Stack Developer at anwalt.de
December 29, 2023
~/testimonials/roman-iudin.md
“It has been my honor to work alongside Jonas for over two years. In this time, I’ve seen him excel as a highly competent...”
Roman Iudin
Roman Iudin
Lead Software Engineer at anwalt.de
December 25, 2023
~/testimonials/hans-kreuger.md
“I have been working with Jonas for the last three years. He is a most knowledgable developer, has deep insights in advan...”
Hans Kreuger
Hans Kreuger
Frontend Developer at anwalt.de
December 22, 2023
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