Jacek Ławniczak
Senior Software Development Engineer II at Wizards of the Coast
Gdańsk, Pomeranian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolJacek Ławniczak is a Senior Software Development Engineer II with over a decade of commercial experience building backend systems in Node.js and TypeScript, and a strong preference for Nest.js to deliver REST, WebSocket and GraphQL APIs. He combines hands-on engineering with leadership experience as a team lead, tech lead and product/solutions architect for startups and larger enterprises, currently working across roles at Wizards of the Coast and Clevertech. Jacek specializes in designing robust delivery pipelines with complex E2E testing and BDD-driven QA, ensuring reliable shipments in remote-first teams. Comfortable across PHP legacy stacks to modern JS ecosystems (Next.js included), he also mentors developers on productivity and soft skills from his X-Team Developer Unleasher days. Based in Gdańsk, he’s a pragmatic problem-solver who blends product thinking with implementation detail to move ideas into production.
11 years of coding experience
9 years of employment as a software developer
AP, Computer science, AP, Computer science at CPH NordEngineer, Computer science, Engineer, Computer science at Higher school of management in GdanskXV LO
English, Norwegian, Danish
Stackoverflow
256reputation
16kreached
17answers
0questions
Github Skills (60)
slack-integration9
counter9
slack-bot7
angular6
log-in6
php6
dockerfile6
git-log6
angular-cli6
blockchain6
vault6
wordpress6
docker6
zap6
git6
Programming languages (4)
Github contributions (5)
x-team/the-vault
Oct 2017 - Mar 2018
The Vault Coin counter
Contributions:3 releases, 50 commits, 35 PRs in 5 months
blockchainvaultcountercoin
x-team/unleasher-bot
May 2017 - Apr 2018
Contributions:51 commits, 42 PRs, 103 pushes in 11 months
slackbotslack-botartificial
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