One really interesting aspect of our work at Life360 is supporting the flow of location messages from millions of devices. Our current peak message rates max out around 50k/s, which is large enough to be challenging without touching the red line where absolutely terrifying lives. …

On the Life360 Infrastructure Engineering team, we manage critical system support using a standard multi-tiered on-call schedule. (Hellooooo PagerDuty). I just completed a week on the first-called tier (“Level 1” or L1), and noticed the remarkable difference in experience from similar on-call periods last summer. Thinking it over, I realized…

Constant interrupts making you crazy? Unable to focus on fixing known problems because of higher-priority deployments that need hand-holding? Welcome to Ops! Communicating Priorities All teams prioritize their work, either explicitly or implicitly. Among the teams within Life360, we use a common representation of priority both to organize the details as well…

Recently, we did a hard thing in a stressful situation. And in getting it done, accomplishing the goal, some of my teammates came up with some brilliant ideas. Not just one person, not just one idea, but many. This blog post is about the experience of bringing smart people together…