We analyzed thousands of technical interviews on everything from language to code style. Here's what we found.

By Aline Lerner | Published: June 12, 2017; Last updated: November 12, 2025

If you’re reading this post, there’s a decent chance that you’re about to re-enter the crazy and scary world of technical interviewing. Maybe you’re a college student or fresh grad who is going through the interviewing process for the first time. Maybe you’re an experienced software engineer who hasn’t even thought about interviews for a few years. Either way, the first step in the interviewing process ...

LinkedIn endorsements are dumb. Here’s the data.

By Aline Lerner | Published: February 26, 2017; Last updated: November 12, 2025

If you’re an engineer who’s been endorsed on LinkedIn for any number of languages/frameworks/skills, you’ve probably noticed that something isn’t quite right. Maybe they’re frameworks you’ve never touched or languages you haven’t used since freshman year of college. No matter the specifics, you’re probably at least a bit wary of the value of the LinkedIn endorsements feature.

Lessons from 3,000 technical interviews… or how what you do after graduation matters way more than where you went to school

By Aline Lerner | Published: December 27, 2016; Last updated: November 12, 2025

The first blog post I published that got any real attention was called “Lessons from a year’s worth of hiring data“.

You can’t fix diversity in tech without fixing the technical interview.

By Aline Lerner | Published: November 21, 2016; Last updated: November 12, 2025

In the last few months, several large players, including Google and Facebook, have released their latest and ultimately disappointing diversity numbers.

After a lot more data, technical interview performance really is kind of arbitrary.

By Aline Lerner | Published: October 12, 2016; Last updated: November 25, 2025

Interviewer performance seems quite volatile.

People are still bad at gauging their own interview performance. Here’s the data.

By Aline Lerner | Published: September 7, 2016; Last updated: November 12, 2025

Interview questions tend to fall into the category of what you’d encounter at a phone screen for a back-end software engineering role at a top company.

We built voice modulation to mask gender in technical interviews. Here’s what happened.

By Aline Lerner | Published: June 28, 2016; Last updated: November 12, 2025

We started it because resumes suck and because we believe that anyone, regardless of how they look on paper, should have the opportunity to prove their mettle.

A founder’s guide to making your first recruiting hire

By Aline Lerner | Published: April 25, 2016; Last updated: May 1, 2023

Recently, a number of founder friends have asked me about how to approach their first recruiting hire. Below are some of my most salient thoughts on the subject.

Technical interview performance is kind of arbitrary. Here’s the data.

By Aline Lerner | Published: February 16, 2016; Last updated: November 12, 2025

We amassed data from hundreds of interviews, and when we looked at how the same people performed from interview to interview, we found quite a bit of volatility, which made us question the reliability of single interview outcomes.

Engineers can't gauge their own interview performance. And that makes them harder to hire.

By Aline Lerner | Published: December 14, 2015; Last updated: November 12, 2025

In the past few months, we’ve amassed over 600 technical interviews along with their associated data and metadata.