* Owned their startup performance metric, responsible for monitoring it and addressing regressions.

* Identified ways to improve the loading time of many of their screens by 1.5%

* Began introducing coroutines to their codebase and plan for a migration from rxJava

• Developed a solution for running 3rd party add-ons within the Square POS

• Solved security issues related to running 3rd party code in a trusted environment.

• Developed a solution for "slots", a method on inserting 1st or 3rd party code to be configured at runtime by the user at key points in the application.

• Architected and built Handshake Direct Mobile for Android, a flexible solution for sales order management for wholesalers

• Developed a flexible system where changes to any business level object can fire off events in Javascript, allowing customers to implement their own custom business rules

• Implemented a flexible UI system where almost any aspect of the UI could be overridden by the customer to support custom workflows, branding, and marketing of their products.

• Architected and rewrote the pricing subsystem for Shopify, allowing items to have different prices based on buyer, country, and a variety of other factors, including prices in different currencies.

• Wrote and maintained Guestfriend, an Android Application allowing users to interact with their hotels from their phones

• Wrote and maintained the Guestfriend Employee app, a companion app for hotel employees

• Wrote parts of the backend Spring webservice

• Took over the GuestFriend iOS app, written in Swift 2.3

• Stayed at the company through it ending as a going concern due to lack of funding