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Reflecting on my summer internship at Wealthfront

September 05, 2017

A concern I’ve heard from classmates considering an internship at a tech startup is that the internship program at a startup may not be as well-formed and organized as that of a more established company. While this may be true for some startups, I found Wealthfront to very much be an exception. I had a… Read more

Building a Distributed Work Queue with MySQL and RabbitMQ

August 29, 2017

Many of the daily processes at Wealthfront follow a similar pattern: they perform some operation for each of a large list of items. For example, we might have a daily process that performs some optimization for each active account. This type of process usually operates through some form of work queue, and in the past… Read more

A Wealthfront ACATS Odyssey

August 24, 2017

Onboarding Client Cash and Assets Here at Wealthfront we attempt to make onboarding onto our platform as easy as possible. We provide a personalized asset allocation to any prospective client free-of-charge, but things only really get interesting for our brokerage platform during the next step: funding an account to make our recommendations a reality. Accounts… Read more

Hey do you have the time?

August 10, 2017

What it means to set your clock over cross-country latencies Have you ever wondered what process allows your phone to get the time after it has been dead for hours, or keeps all your devices reporting consistent times across versions and operating systems? The answer is a commonly used but often ignored protocol called Network… Read more

Tradeoffs in AB Testing Frameworks

June 22, 2017 , ,

At Wealthfront, the A/B test is one of our most powerful decision-making tools. It helps us make decisions under uncertainty, and learn about how our clients are reacting to new features we build. Our own framework has been a particularly featured one, supporting Bayesian inference methods, continuous stopping criteria, check metrics, and multiple variants. Recently,… Read more

Scaling Beyond MySQL

June 07, 2017

Wealthfront is growing fast, and the quantity of data we collect is growing faster. With the launch of Path, we’ve seen a large increase in the number of non-Wealthfront accounts our customers have linked over time (see below). We have plans to increase the breadth of automated financial advice we provide for our clients, so… Read more