Tagged In wealthfront engineering :
Statistics Is Eating the World
Wealthfront’s culture encourages self-directed engineers and researchers. By doing so we learn faster and make better decisions informed by facts on the ground. While this practice is obvious for startups with a handful of people, scaling up to large teams is challenging. We set out to scale our culture of decentralized learning and decision-making as… Read more
Writing JavaScript Tests for Asynchronous Events with Deferreds
A while back, one of our engineers at Wealthfront wrote an in-depth article about deferreds. It’s important that if the functionality you build relies on deferred objects to trigger asynchronous events, that the behavior is properly tested. In this post I will go through 2 simple examples on how to test functionality that uses deferred… Read more
My First Weeks at Wealthfront
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
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
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:
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