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Project archive

Projects.

Product work at Timeless Investments and About You, plus earlier agency client work in banking, health, logistics, and research. For my current role, see Experience.

Timeless Investments

  • Self-hosted KYC

    From about $2 to about $0.08 License cost per verified user (approximate), Onfido vs. self-hosted FaceTec

    Replaced Onfido with a self-hosted identity verification stack on FaceTec 3D liveness and ID scanning.

    • FaceTec
    • NestJS
    • React Native
    • Kubernetes

  • Design system

    Built a custom design system with the design team, using Restyle to define themes and components for the mobile app.

    • Figma
    • Restyle

  • Mobile app

    Led development of the Timeless collectibles investment app for iOS and Android.

    View on the App Store for Mobile app (opens in a new tab)
    • React Native
    • Stripe
    • Fastlane
    • Reanimated

About You

  • Tracking SDK

    Built a unified tracking SDK that enforced standard events across the shop.

    • TypeScript
    • React
    • Google Analytics

  • Shop redesign

    Worked on the redesign of the About You desktop shop, including the migration from class components to function components.

    Visit aboutyou.de for Shop redesign (opens in a new tab)
    • React
    • TypeScript
    • Express
    • MobX

Earlier client work

  • TK-Doc · Telemedicine app

    Built a telemedicine app for a major German health insurer: patients reach doctors by video, phone, or chat for medical advice.

    • React Native
    • Swift
    • Kotlin
    • Redux

  • Leibniz IPN · ITEMS assessment platform

    Built a software system for large-scale educational assessment with the Leibniz Institute for Science and Mathematics Education (IPN).

    Read the case study (German) for Leibniz IPN · ITEMS assessment platform (opens in a new tab)
    • C#
    • PostgreSQL
    • ASP.NET Web API

  • Hermes Fulfilment · Worker safety app

    Built an Android safety app for Hermes Fulfilment handhelds that raises an alarm after prolonged inactivity, for example after an accident.

    • Java
    • Android

  • infas · Survey apps

    Built a multilingual survey app with right-to-left layout support, plus a back-office application for managing surveys and translations.

    • React Native
    • React
    • GraphQL
    • Scala / Play

  • Field service · Offline-first app

    Built a web app for field workers, with inventory sync that survives unreliable connections.

    • Angular
    • RxJS
    • CouchDB
    • Scala / Play

  • White-label banking · CSS architecture

    Led a full refactoring of the stylesheets for a white-label banking platform, so the codebase stayed maintainable as new bank brands were added.

    • Sass
    • Java

Planning a React Native rewrite, a KYC change, or technical due diligence?

I take on limited advisory work alongside my full-time role.

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