The days after Thanksgiving are very busy for Glossier when we serve 100 times our typical traffic volume. I recently gave a conference talk about how our team prepared for Black Friday. tl;dr: It mostly went well, except for the time when the site crashed. But it crashed in the ways we’d predicted, and we learned a ton! Check out how we prepared for peak traffic, our surprises and lessons learned, and how we’re building ever more scalable, reliable systems to support Glossier in 2019 and beyond:

Becoming an engineering manager can be a daunting role change with unfamiliar routines and responsibilities for many technical contributors. We can more quickly gain experience in the art and craft of people management by learning from each other’s struggles and successes. I wanted to share an easy technique that’s helped…

This is a mental exercise I’ve applied to help senior engineers better respond to unexpected requests. As software engineers gain tenure and experience, others in the organization naturally seek their expertise. Some examples: A junior engineer asks for an introduction to an unfamiliar component. The finance team needs to know…

Kickstarter recently rewrote the scripts we use to manage local development environments with a focus on improving their reliability. I want to share the benefits of that project. The main Kickstarter app has several system dependencies. Dozens of people work in the codebase each day. We had a script/bootstrap that…

Fret less. Write more. Let’s get the ball rolling on some new daily habits I’d like to cultivate. I’m writing them in public to make me more accountable to them. Family Life Spend 15 minutes of 1–1 quality time each kid each weekday. This can be reading, playing games, rough housing, etc…