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My First Weeks at Wealthfront

May 01, 2014

I am rounding out my first couple weeks as a new employee at Wealthfront and at this point have full confidence that I chose the right opportunity for my first full time position after graduation. Aside from product, overall engineering mindset and culture were my top priorities and Wealthfront has exceeded my expectations on both… Read more

Marketside chats #5: Market making

April 29, 2014

This article will focus on the role of a market maker (MM) in the securities (financial instruments) markets. Let us start by talking about some other well-known markets. Role of intermediaries Some markets have no intermediaries: open-air farmers’ markets involve fruit & vegetable sellers selling directly to the buyers. Some markets have intermediaries, but those… Read more

Tracking Down a Crash in iOS

March 27, 2014

One of the iOS black arts is hunting down the cause of a crash report. At the best of times they’re vague and indicative of the final point of failure; rarely do they ever identify the actual root cause in any enlightening way. So let’s take a look at a stack trace from one of… Read more

Unit testing -drawRect:

March 19, 2014

One of the more challenging places to get test coverage on iOS is custom UIView subclasses that override -drawRect:. Let’s examine how we do this at Wealthfront and look at an example from our iOS application. There are a number of great reasons to implement custom UIViews, for example we have a simple custom view… Read more

Nuke the NPE in Java

Null is a pain and it is time to nuke the NPE (NullPointerException) in Java! Actually, NPEs are trivial to fix, so they’re not actually what this blog post is about. We’ve all seen code like above throw a NPE, and we know the fix is trivial: View the code on Gist. It is safe… Read more

iOS Development at Wealthfront

March 12, 2014

At Wealthfront everything we build is designed to move quickly. For example, it is common for new hires to deploy new code to production on their first day. Our continuous integration and deployment environment are designed so that if the tests pass we ship. This, of course, is actually quite normal for a Silicon Valley… Read more