Jan Kondratowicz
Software Engineer at Undisclosed fintech company
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolJan Kondratowicz is a seasoned software engineer based in Warsaw with over a decade of professional experience and a lifetime of coding curiosity that began at age 11. He has repeatedly combined hands-on development with architectural leadership across fintech, analytics, and SaaS products, working with stacks including TypeScript/Node.js, React, AWS serverless services, PostgreSQL, MongoDB and Redis. As a former CTO and principal engineer, he’s built end-to-end products from custom CMS and analytics platforms to VR data pipelines, while organizing CI/CD, backlogs, and team processes. Jan moves comfortably between backend, frontend and cloud-native services, shipping reliable systems for startups and scale-ups alike. A pragmatic problem solver, he often surfaces product insights from data-driven features—an understated pattern across his roles at Gunhed, PolSource, Bits, Glassnode and Weavr.
13 years of coding experience
20 years of employment as a software developer
Engineer's degree Computer Science, Engineer's degree Computer Science at Polish-Japanese Academy of Information Technology
Stackoverflow
1,301reputation
42kreached
11answers
6questions
youtube-api
top-5%
youtube
top-5%
Github Skills (113)
youtube9
youtube-api9
chainlink8
jquery8
solidity8
blockchain8
java8
environment-variables8
contract7
javascript7
chain7
select27
sql7
database7
phantomjs7
Programming languages (9)
Github contributions (5)
jkondratowicz/hippo
Jan 2016 - Dec 2022
Contributions:1 PR, 8 pushes, 6 branches in 6 years 11 months
jkondratowicz/infakt-api-php
Mar 2014 - May 2017
Contributions:6 commits, 2 pushes in 3 years 2 months
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