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Handling unhandledrejections in Node and the Browser

November 03, 2016

As a financial product, Wealthfront runs on trust. Our clients expect the product to be there for them and work as they expect. Engineering at Wealthfront makes writing high quality tests a priority. For our clients to trust our product and brand, we must ensure we have that same confidence in our tests. We recently… Read more

Checkstyle at Wealthfront

October 26, 2016

At Wealthfront we use Checkstyle to enforce some coding standards, also to detect bad practice at the early stage. In this blog post, we will describe how to configure Checkstyle and how to customize that for our needs. How to configure Checkstyle? There are three components working together to automate all these checks: checkstyle: the tool… Read more

The Perils of Accidental Global Includes in Ruby

October 14, 2016

We deploy our front-end code to production multiple times per day. Our ability to do this is closely tied to our confidence in our test suite and deployment infrastructure. Tens of thousands of tests are run against our code whenever we click the deploy button. Given that this is the case, when something happens that… Read more

How we use Mocha and jsdom with CoderPad for Frontend interviews

September 27, 2016

At Wealthfront, our goal for interviews is simply to assess whether the candidate would be successful as an employee. The most important thing for us is to learn how they think and if they will excel at the job we are hiring them for. When interviewing frontend engineering candidates, we want them to write real… Read more

Enforce REST API Standard with Swagger

August 31, 2016

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… Read more

Consistent Test Setup Across Multiple Packages

August 23, 2016

At Wealthfront, we believe that all code should look like it was written by the same person. In practice, that means that across our frontend stack we enforce consistent patterns, follow code style guidelines, and use the same technologies. This enables engineers to easily contribute to projects they have never worked on before by reducing… Read more