Understanding Battery Drain — Android

Many of us have been in this situation: Phone is charged to 100% in the morning, and by lunchtime, it is close to 30%. Now we’re upset and we look for the app…

Life360 Mobile Interview Process

At Life360, our mission is to build technology to give families peace of mind. The mobile team is…

How we reduced our iOS AppStore binary size

A few months ago, our Forensics team was inspecting the crashes in the iOS app in…

Beta testing Google’s new Activity Transition API

Streaming with Kinesis on AWS

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…

Teaching Your Startup to Learn: how Life360 is getting smart

Cold Cache, Warm Heart

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 to…

Lint and why We Remove It

Lint warnings have a tendency to accumulate. Sometimes, their sheer number makes one balk at fixing them. Most…