Jan Pieczul
Software Developer at Koinly
Madrid, Community of Madrid, Spain
Summary
👤
Senior🎓
Top SchoolJan Pieczul is a software developer with eight years of experience building full-stack web applications and a long-standing interest in low-level programming. Based in Madrid, he has shipped product work across startups and scale-ups including Calendly, Railsware, and Yieldbird, and currently contributes to Koinly. He values readable, performant code and treats daily learning as a core practice, blending systems-minded thinking with pragmatic web development. Trained in computer science at the Polish-Japanese Academy of Information Technology, Jan brings both engineering rigor and a hobbyist's curiosity about lower-level internals to commercial projects.
8 years of coding experience
4 years of employment as a software developer
Inżynier (Inż.), Computer Science, Inżynier (Inż.), Computer Science at Polish-Japanese Academy of Information Technology
Github Skills (20)
actionmailer9
discord-bot8
discord7
discord-js7
mailtrap7
bitcoin7
cryptocurrency7
relay7
wallet7
rails6
slash6
ruby6
lightning6
graphql5
ruby-client5
Programming languages (5)
Github contributions (5)
Artheanos/mempage
Mar 2020 - Jul 2023
This is a casual website for posting photos with a comment section. Made in python django.
Contributions:10 PRs, 33 pushes, 8 branches in 3 years 4 months
pythondjangodjango-blogmade-in-pythonpython3
Artheanos/discord-bot
Jun 2020 - Dec 2022
A discord bot made using TypeScript
Contributions:60 commits, 4 PRs, 78 pushes in 2 years 7 months
discord-jsdiscorddiscordjsbotdiscord-bot
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