Katarzyna Ziomek-zdanowicz
Senior Frontend Developer at Fresha
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolKatarzyna Ziomek-Zdanowicz is a Senior Frontend Developer with nine years of engineering experience and a solid finance background, now building user-facing systems at Fresha after senior frontend roles including CodiLime. She started in finance and accounting automation—authoring VBA tools and trainings for large teams—which gives her a rare mix of domain knowledge and pragmatic automation skills in addition to modern frontend expertise. Since 2017 she has focused on React, TypeScript and testing (unit and E2E), and expanded into full-stack work from 2022, bringing end-to-end ownership to projects. Known for being proactive and deadline-driven, she pairs disciplined delivery with continuous self-education through bootcamps and intensive workshops. Based in Warsaw, she blends product-minded engineering with a measurable track record in both enterprise and consumer-facing codebases.
9 years of coding experience
7 years of employment as a software developer
Computer Software Engineering, Computer Software Engineering at freeCodeCampMember of CIMA Management Accounting, Member of CIMA Management Accounting at Chartered Institute of Management AccountantsMaster of Arts Finance and Banking, Master of Arts Finance and Banking at SGH Warsaw School of Economics
English, German, Polish
Github Skills (50)
monitoring10
javascript10
visualization10
dashboard10
mysql10
grafana10
visualize10
analytics10
prometheus10
go10
business-intelligence10
composable10
elasticsearch10
data-visualization10
nodejs10
Programming languages (5)
Github contributions (5)
ziomecka/portfolio-letsbitebytes-chat
Sep 2019 - Oct 2019
Chat application. Stack: react, redux, es6, typescript, socket.io, mongoDB, redis
Contributions:32 pushes in 21 days
expressreactjsmongodbchat-applicationjavascript
ziomecka/fast-coding
Jul 2018 - Nov 2018
Contributions:4 PRs, 67 pushes, 7 branches in 3 months
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