Andrzej Kostrzewa
Software Developer at ORBITVU
Katowice Metropolitan Area Poland
Summary
👤
Senior🎓
Top SchoolAndrzej Kostrzewa is a pragmatic full-stack software developer with 12 years of experience building and optimizing e-commerce platforms, integrations, and CMS solutions. Based in the Katowice Metropolitan Area, he currently develops plugins and integrations for leading e-commerce systems (Magento, Prestashop, Shopware, WooCommerce, Shopify) at ORBITVU while also tackling security and performance issues. His background spans backend-heavy roles—ERP/CRM integrations, CQRS and GraphQL architectures, and DDD-influenced systems—as well as frontend and landing-page work, giving him end-to-end delivery fluency. He has a track record of shipping production-grade optimizations for major retail brands and contributing to open-source and proprietary business tooling. Colleagues rely on him for pragmatic architectural choices that balance scalability with maintainability, rooted in a Master of Engineering in Information Technology.
12 years of coding experience
12 years of employment as a software developer
Master of Engineering Information Technology, Master of Engineering Information Technology at The Silesian University of Technology
Polish, English
Github Skills (112)
redis-streams10
testing10
message-queue10
haiku10
static-analysis10
stomp10
bull10
amazon-sqs10
rabbitmq10
message-passing10
wamp10
artemis10
job-queue10
queue10
beanstalkd10
Programming languages (4)
Github contributions (5)
andrewprofile/cqrs-sample
Jan 2019 - Jun 2022
Sample of CQRS
Contributions:9 PRs, 13 pushes, 17 branches in 3 years 5 months
golangpythondddclangevent-sourcing
devstackphp/di
Jan 2016 - Apr 2016
Contributions:3 releases, 83 commits, 23 PRs in 3 months
splitdependencyinjectiondependency-injectionsubtree-splitread-only
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