Commercial Experience

A selection of products and platforms I have contributed to throughout my professional career.

Levels Health

Health-tech
Geniusee

Large-scale health-tech application focused on metabolic health tracking and glucose monitoring.

Large-scale production application with thousands of daily active users

Key Contributions

  • Developed and maintained production features for glucose monitoring and personalized wellness insights.
  • Optimized application performance: reduced bundle size, supported Hermes, and improved re-renders.
  • Integrated GraphQL APIs, offline sync, Apple/Google Health, push notifications, and CI/CD with Fastlane/EAS.
  • Enhanced monitoring and analytics using Sentry, Datadog, and PostHog.

Technologies

React NativeTypeScriptGraphQLZustandSQLiteEASFastlaneSentryDatadog

Festicket

Event-booking
Geniusee

Event booking and festival companion platform used for live events and music festivals.

Used by thousands of festival-goers worldwide

Key Contributions

  • Led a mobile development team of 3 engineers, coordinating delivery and code reviews.
  • Developed core features for the companion platform used for live event management.
  • Improved stability and UX through technical debt reduction and ongoing feature development.

Technologies

React NativeTypeScriptExpoRedux SagaReact NavigationREST APIFirebaseStoryblok

BizWhiz

Marketing Tech
MMD Smart

Mobile application for creating and managing SMS marketing campaigns using MessageWhiz API.

Key Contributions

  • Developed mobile application for bulk messaging functionality.
  • Implemented user interfaces and campaign management flows.
  • Collaborated with backend engineers to integrate messaging and campaign delivery services.

Technologies

React NativeJavaScriptREST APIPush NotificationsIn-App purchases

Payment Gateway

Fintech
MMD Smart

Universal payment widget based on Web Components for integration across multiple company products.

Key Contributions

  • Developed reusable and customizable payment flows supporting multiple processors.
  • Contributed to frontend architecture and integration workflows for web and mobile platforms.

Technologies

JavaScriptWeb ComponentsREST APIHTML5CSS3