László Károlyi
Founder, Owner at ScreamingBox
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolLászló Károlyi is a Berlin-based founder and senior technologist with 25+ years in IT and 13 years of focused professional experience delivering web, cloud and DevOps solutions. He runs two companies and acts as a one-man technology consultancy, combining deep Python/Django expertise (pythonista since 2002) with hands-on AWS/cloud migration, automation and containerization work. His background spans building KPI and SEO tooling at Zalando, architecting large AWS migrations for ImmobilienScout24, and leading cloud/UI projects at T‑Labs and HERE, showing fluency across backend, frontend and infrastructure. A pragmatic tinkerer and persistent problem-solver, he’s comfortable shipping production pipelines, custom DevOps scripts and bespoke integrations. He prefers remote consulting/contracting engagements and keeps an always-updated CV and code presence online, reflecting an entrepreneurial, continuously curious mindset.
13 years of coding experience
13 years of employment as a software developer
IT, IT at János Pálfy Technical College
English, German, Hungarian
Stackoverflow
612reputation
121kreached
9answers
1question
Github Skills (200)
atom-editor10
filterlist10
encrypt10
beautifier10
npm-package10
cffi10
javascript-framework10
chat10
automation10
bundler10
certbot10
disposable10
act10
thunderbird10
integration-testing10
Programming languages (20)
Github contributions (5)
karolyi/py3-validate-email
Nov 2021 - Nov 2021
Check if an email is valid with using SMTP, regexes and blacklists
Contributions:21 reviews, 1 commit, 12 PRs in 1 day
python310mailsmtpblacklistschecker
karolyi/forum-django
Nov 2021 - Nov 2021
Reimagining my forum with Django. Migrated to https://gitea.ksol.io/karolyi/forum-django
Contributions:1 commit, 9 PRs, 571 pushes in 1 day
pythondjango-frameworkdjangogiteaforum
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