Daniel Kreiger

- Built functionality to allow users to reorder past orders in the mobile app. - Created monorepo to house shared configuration between frontend / backend apps. - Helped setup e2e testing in the mobile apps using Detox. - Setup frontend cacheing on Google addresses, which reduced the Google Maps Api bill. - Built state machine to handle complex post delivery / previous order feedback surveys.

- Moved portal for car dealers into a separate micro-frontend. - Built dashboard analytics for car dealers using Redux-Saga for data flow and canvas for IE compatible data visualisations. - Helped build and maintain a component library for heycar with React Storybook. - Simplified custom SSR configuration on heycar web app. Berlin - Implemented redux caching and cache invalidation strategies for various UI filters and features. This sped up the UX and eliminated the need for repeat API requests. - Implemented reusable api calls that abort unnecessary inflight AJAX requests. - Implemented reusable React hooks / Redux Sagas for delaying loading indicators to improve UX. - Created a new UI to help heycar rollout to a new leads reporting pricing model. - Refactored the portal for car dealers to use client-side rendering with routing served by AWS Lambda and assets served by AWS S3 and Cloudfront. - Setup infrastructure deployments and changes with Terraform. - Moved the styling strategy of the main web app to using theming, making future rebranding efforts easier.

- Rebuilt the media portal site for a major international client using Angular 4 - 8. - Built advanced autocomplete search functionality into media portal using RxJS for frontend optimisations and elastic search on the backend - More than tripled media portal's Google PageSpeed Insights score in less than 3 months. - Built a data collecting and product finder using React/Redux in less than 3 weeks. - Built coupled and decoupled Drupal based sites. - Built reusable UI and website components for various major international clients. - Built and maintained other websites / hybrid iOS + Android apps.