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Security Notice on Shellshock / CVE-2014-6271 / CVE-2014-7169

September 26, 2014

On September 24 a vulnerability in Bash, named Shellshock, was publicly announced. The original Shellshock advisory, CVE-2014-6271, described a severe remotely-exploitable vulnerability in all versions of GNU Bash software. A follow-up advisory, CVE-2014-7169, was issued for an incomplete fix to CVE-2014-6271. Security review of Wealthfront systems confirmed no client-facing components were vulnerable to Shellshock. The… Read more

Small Files, Big Problem

September 19, 2014

Data drives everything we do here at Wealthfront, so ensuring it’s stored correctly and efficiently is of the utmost importance. To make sure we’re always as informed as possible we gather data from our online databases very frequently. However, this has the unfortunate side effect of creating a large amount of small files, which are… Read more

Building and Testing a Custom UIDatePicker

September 02, 2014

When building the new Add Funds flow for iOS, we needed a date picker to select the start date for a recurring deposit. Apple’s pre-built date picker (UIDatePicker) does not allow for visual customization. Having mostly dark backgrounds and light foregrounds, we needed to build our own date picking component (WFDatePicker). We already had a… Read more

Lessons Learned when Scaling our Data Analytics Platform

August 20, 2014

Over the past year, we’ve gone from a single Java server running all analytics to a multi-node data pipeline. Along the way, we’ve refined our metrics for all parts of the business: from web and mobile analytics, to investment research, to trading and operations. We build metrics dashboards for everything we do, empowering us to… Read more

Statistics Is Eating the World

August 15, 2014

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

Joining Wealthfront as a DevOps New Grad

June 24, 2014

I started at Wealthfront two weeks ago, and I can already say with little doubt that it was the best opportunity for me. Having taken Andy’s career advice, I was determined to start my career in the Bay Area and wanted to join a mid-sized company with momentum. I had followed the fintech space for… Read more