Vassilis Papavassiliou
Senior Python Developer at TRIPinVIEW (by Geotag Aeroview)
Greece
Summary
👤
Senior🎓
Top SchoolVassilis Papavassiliou is a Senior Python Developer with 13 years of experience building backend systems and leading projects from Greece. He has held senior and lead roles at INDEV SOFTWARE, Yorenda GbR, and TRIPinVIEW, combining hands-on engineering with project leadership across geospatial and web platforms. His open-source contributions include backend integrations for the well-known XChange library, adapting exchange APIs and resolving tricky issues like time zone discrepancies and loan functionality for Poloniex. Comfortable working across languages and APIs, he brings practical expertise in interfacing heterogeneous systems and improving reliability. Vassilis pairs a solid Computer Science foundation from UPATras with a knack for pragmatic problem-solving that surfaces in both enterprise and community codebases.
13 years of coding experience
4 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at alumni ceid upatras
Github Skills (13)
crypto10
cryptocurrency10
exchange10
apim10
javas10
bitcoin10
data-conversion10
api10
bitcoins10
cryptocurrencies10
java10
json9
testing8
Programming languages (2)
Github contributions (5)
knowm/XChange
Mar 2013 - Jun 2016
XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits, 2 PRs in 3 years 3 months
Contributions summary:Vassilis primarily contributed to the XChange Java library, focusing on integrating with various cryptocurrency exchanges. Their work included adapting trade data from bitstamp and cexio, incorporating order type information. Additionally, the user addressed time zone discrepancies and integrated loan functionality for Poloniex, demonstrating an understanding of different exchange APIs. Minor improvements to logging and code formatting were also included.
apiexchangejava-librarykucoinexchanges
vapapav/XChange
May 2016 - Jun 2016
Contributions:2 PRs, 4 pushes in 23 days
apijava-libraryexchangesconsistenttrading
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