Mathieu Van Der Haegen
Stony Stratford, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolMathieu Van Der Haegen is a senior software engineer and tech lead with 15+ years of experience building data-intensive, reliable systems across fintech, global health, and large-scale web platforms. He has led teams from prototype to production—scaling a crypto asset platform to manage >€100M in assets and delivering vaccine management software deployed across 47 countries. Hands-on across backend, data, and cloud infrastructure, he blends architecture, implementation, and mentoring while maintaining a product-first focus on usability and real-world impact. An entrepreneur and founder of multiple ventures, he also contributes to open-source financial tooling (notably fixes and feature work on the XChange Java exchange library). Based in London, he starts quickly and is seeking senior/lead engineering roles where he can turn fuzzy ideas into robust, shipped systems.
11 years of coding experience
18 years of employment as a software developer
MA Computer sciences, MA Computer sciences at Université libre de Bruxelles
English, French, Dutch
Stackoverflow
3,076reputation
274kreached
78answers
1question
facebook-graph-api
top-5%
jquery
top-5%
facebook
top-1%
javascript
top-5%
Github Skills (20)
apidoc10
bitcoin10
bitcoins10
java10
facebook10
javas10
api10
javascript9
stamp9
jquery9
facebook-graph-api9
ruby-on-rails9
border6
html6
php6
Programming languages (7)
Github contributions (5)
knowm/XChange
Sep 2020 - Sep 2021
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:1 review, 10 commits, 6 PRs in 11 months
Contributions summary:Mathieu primarily focused on bug fixes and enhancements within the XChange Java library, specifically addressing issues related to Bitcoin and Altcoin exchange integrations. Their contributions involved modifying existing code, including adapting currency pairs, updating order statuses, and fixing initialization exceptions, particularly within the Bitstamp and FTX exchange connectors. The user also implemented a new Ticker feature in the FTX adapter and worked on the Bitstamp V2 API implementation to use UUID nonces.
apiexchangejava-librarykucoinexchanges
mathvdh/iaso
Dec 2022 - Mar 2025
Geo-aware Data Collection, Curation and Analysis.
Contributions:1 release, 1 review, 14 PRs in 2 years 3 months
data-analysisgeospatialdatawpsgeo
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