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Tao Qian

Enforce REST API Standard with Swagger

At Wealthfront, we have an API server which exposes a REST API that’s consumed by our iOS and Android apps. Recently we decided to migrate our web frontend to use the REST API because we believe it would be beneficial to have all of our frontends sharing a single data source. We identified a few […]

August 31, 2016
Justin Lee
Justin Lee

Building Mobile A/B Testing Infrastructure

Twenty years ago, one would have hardly heard the phrase “A/B testing”. In 2000, Google served its first A/B test to determine the optimal number of search results to display. In 2011 alone, they ran 7000 A/B tests across their platforms. A/B testing has become the bread and butter of product decision-making for Silicon Valley […]

April 11, 2016

Daniel Zheng

iOS UI Testing

I was initially attracted to Wealthfront by its great business model and engineering driven culture. But after visiting the office, I was convinced that I belonged to Wealthfront because of the strong emphasis on test driven development (TDD), continuous integration, and rapid deployment. Furthermore, a solid foundation had already been laid for the iOS initiatives […]

September 16, 2014

Wealthfront Engineering

Building and Testing a Custom UIDatePicker

When building the new Add Funds flow for iOS, we needed a date picker to select the start date for a recurring deposit. Apple’s pre-built date picker (UIDatePicker) does not allow for visual customization. Having mostly dark backgrounds and light foregrounds, we needed to build our own date picking component (WFDatePicker). We already had a […]

September 02, 2014