Tagged In wealthfront engineering :
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
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
Marketside Chats #4: Costs of replicating an S&P 500 portfolio
What are stock indexes? (For a stock index, this is the correct plural – not “indices”.) Wikipedia says it is “a method of measuring the value of a section of the stock market”. An index includes stocks that are similar in some meaningful way. Examples: all technology stocks, the biggest 100 stocks trading at the… Read more
Career Planning for New Grad and Young Engineers
Over the past 15 years I have hired hundreds of software engineers, many of whom were either interns or young people starting out in their career. I believe a key to this success is my genuine desire to help grow the careers of my recruits. If your teams have a great experience then word gets… Read more
Marketside chats #3: More options for non-dummies
This article will: show you how to convert stock volatilities to something intuitive explain in basic terms the fancy concept of convexity Please read Marketside chats #2: Options for non-dummies first for some of the other terminology. Implied volatility (IV, a.k.a. vol) The implied volatility of a stock (or index) is the standard deviation of its expected future… Read more
How To Find a Great Engineering Culture
Earlier this year I decided to return to startups after five amazing years at LinkedIn. Finding a company with an engineering-driven culture was one of my highest priorities. My challenge was developing a framework to determine if a prospective employer had what I was looking for. Over the years I have observed that successful company… Read more