Grzegorz Marchwinski
Senior NodeJs Developer at itradar
Opole Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolGrzegorz Marchwinski is a Senior NodeJs developer and systems architect with eight years of focused experience building scalable backend systems and operating high-traffic platforms. He runs ITRadar.io as a one-man operation—covering architecture, DevOps, testing and deployment—which reflects his ability to take projects from idea to production single-handedly. His work spans large-scale e-commerce and IoT platforms handling millions of products and real-time data streams using Node.js, TypeScript, Kubernetes, AWS, MongoDB, Elasticsearch and message-driven architectures. He’s led teams and mentored engineers while driving CI/CD, containerization and observability practices (Grafana/Prometheus) across projects. Based in Opole, Poland, he combines pragmatic engineering with a knack for automating entire lifecycles and experimenting with cutting-edge tools like LLM integrations and headless browsing for automation.
8 years of coding experience
16 years of employment as a software developer
Inżynier (Inż.), Informatyka, Inżynier (Inż.), Informatyka at Politechnika Opolska
Github Skills (22)
choices9
javascript8
typescript7
validation5
joi5
schema-validation5
json-schema4
schema4
ajv4
sanitization4
validations3
typechecker2
zod2
middleware1
expressjs1
Programming languages (2)
Github contributions (5)
yaneek/contester
Jul 2020 - Oct 2024
Container image tester - http server with diagnostics and metrics
Contributions:8 pushes, 1 branch, 5 tags in 4 years 3 months
containersimagedocker-imagedockerkubernetes
yaneek/tech-radar
Jan 2019 - Feb 2021
Visualizing my technology choices
Contributions:88 commits, 77 pushes, 3 branches in 2 years 1 month
choicesvisualizing
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