Wiktor Sierociński
Software Engineer at LeoVegas Group
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolWiktor Sierociński is a seasoned software engineer with 14 years of experience building web and data-driven systems across startups and enterprise teams, now based in Warsaw and currently at LeoVegas Group. He has founded and led product engineering at HelpRange and co-founded consumer-facing ventures earlier in his career, blending hands-on coding with entrepreneurial product sense. His background spans Python, JavaScript and front-end work through roles at dotData, RTB House, 9livesdata and Polidea, giving him a strong full-stack and data engineering perspective. Comfortable shipping features in fast-paced environments, he’s equally at home prototyping new ideas and hardening production systems for scale. Outside of work he maintains an active developer presence on GitHub and Twitter, signaling ongoing engagement with the wider engineering community.
14 years of coding experience
14 years of employment as a software developer
Bachelor Of Science, Information Technology, Bachelor Of Science, Information Technology at Warsaw University of Technology
Github Skills (13)
shazam10
mysql9
java9
postgresql9
sql9
javascript9
portable9
oracle8
sqlite8
sql-server8
database8
cockroachdb8
query-builder8
Programming languages (1)
Github contributions (5)
wsieroci/audio-recognizer
May 2012 - Mar 2016
Contributions:10 commits, 1 push in 3 years 10 months
javashazam
wsieroci/wsieroci.github.io
Dec 2015 - Mar 2016
Contributions:33 pushes, 1 branch in 3 months
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