sanitized10–20 min → 5–10 min◇ Side questProjectDesigner & implementer
BLE Warehouse Positioning
Indoor positioning for order pickers using BLE distance estimates.
Project archive
Filter the quest log by the kind of problem you want to inspect.Filter the portfolio by project type and engineering domain.
sanitized10–20 min → 5–10 min
sanitized1,500+ users · 3,000+ devices◆ Featured questFeatured projectSole designer & author
Cross-platform Smart Card Platform
A secure cross-platform bridge between physical card readers and browser applications.
sanitized~131k Android users◆ Featured questFeatured projectSole technical maintainer & product lead
MPS / Waow Banking App
Production mobile banking ownership across code, deployment, NFC and secure identity flows.
sanitized◆ Featured questFeatured projectSole designer & implementer
PSD2 / Open Banking
A security-first PSD2 bridge plus geographically distributed public monitoring.
sanitized45+ min → ~5 sec◆ Featured questFeatured projectArchitect & implementer
Registration Pipeline Redesign
A registration redesign built around parallel work and eventual reconciliation.
public◆ Featured questFeatured projectCreator
Anubis / A1 Taal Café
A privacy-conscious assistant that listens several times before judging once.
public◆ Featured questFeatured projectFounder & technical lead
Phoenix Project / Nekrova
A passion project grew into a volunteer studio and a playable urban action prototype.
public◆ Featured questFeatured projectPreservation engineer & operator
Dragon's Prophet Preservation
Long-term MMO preservation spanning infrastructure, tooling, APIs and client modernization.
public111,488 visitors · 5,342 favourites◆ Featured questFeatured projectCreator & programmer
VRChat Worlds
Two public VR worlds combining interaction, multiplayer state, localization and optimization.
public◇ Side questProjectCreator
Allergy Check
A browser extension built for a direct, medically relevant shopping problem.
public◇ Side questProjectSole programmer
Dutch Biker
An early 2D mobile prototype with physics, powerups, combos and a web scoreboard.
public◇ Side questProjectGame-jam contributor
NS Simulator 2022
Alternate Z and X, dodge with Space, reach the train before it leaves.
Workshop & community dropsAdditional work
Smaller contributions, maintained forks, fixes, and knowledge shared with other builders.Smaller contributions, maintained forks, fixes, and technical knowledge shared with others.
Flutter NFC Manager
Flutter · DartNewer Flutter compatibility and Dart communication fixes.
WLED Sound Reactive
C++ · EmbeddedBug fixes and memory patches contributed upstream.
TwitchLib
C# · OAuthImproved Twitch authentication and contributed it upstream.
RimWorld Backstory Database
Mod toolingRestored removed functionality for mod authors.
Find-Your-Friends
VRChat · TextMesh ProName-resolution and VR rendering fixes.
OpenSC / Belpic
Smart cards · C++Backported Belgian eID / Belpic support.