Rafał Ziomek
Senior .Net Developer at JMR Technologies
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolRafał Ziomek is a Senior .NET Developer and lead engineer with eight years of experience building scalable, resilient systems across distributed, desktop, and cloud environments. He currently leads architecture and delivery at JMR Technologies, guiding teams, mentoring developers, and driving migrations from fragmented legacy systems to modern, observable platforms. Rafał has hands-on expertise in .NET 8, event sourcing, Docker/Kubernetes, Azure, Prometheus/Grafana, and WPF, and has delivered a distributed file-sync platform, modular plugin architectures, and a bespoke SQL reporting engine that simplified analysts’ workflows. His academic background in computer science, cognitive science, and psychology gives him a unique edge in balancing system-level design with user-centric considerations and UX-informed decisions. Outside of work he builds his own product, composes music, and studies French and Italian, reflecting a creative approach that informs his engineering.
8 years of coding experience
Warsaw University of TechnologyKognitywistyka, Kognitywistyka at Uniwersytet Warszawski
Stackoverflow
1,080reputation
177kreached
18answers
5questions
Github Skills (19)
env7
shell6
django-admin6
django-views6
django-models6
django-forms6
docker6
environment-variables6
python6
django6
docker-compose6
react5
parsing5
cli4
react-typescript2
Programming languages (5)
Github contributions (5)
rafaljusiak/python-env-loader
Jan 2020 - Jan 2021
Reads the variables from .env files in similar way that is used in React.js and adds them to environment variables, automatically guessing and parsing to correct types in Python.
Contributions:4 releases, 17 commits, 1 PR in 11 months
environment-variablesreactconfigurationcorrectpython
rafaljusiak/keep-fm
Jan 2021 - Dec 2022
Web application created with Django, Celery and beautifulsoup4 that makes it easy to create a backup of https://www.last.fm/ scrobbles data, unify the track names, and create correct rankings
Contributions:24 pushes in 1 year 11 months
pythoncorrectdjangoscrobblesweb-application
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