Building the Global Heatmap

700 million activities, 7.7 trillion data points create the ultimate map…

Rebuilding the Segment Leaderboards Infrastructure — Part 1: Background

Over the past year, the Strava platform team has been working to rebuild the segment leaderboards system. This is the first in a series of four blog posts detailing that process. This first post aims to give…

Rebuilding the Segment Leaderboards Infrastructure — Part 3: Design of the New System

From data streams to a data lake

Streams are what we call the raw measurement sequences that define a Strava activity, such as latitude/longitude, time, heartrate, power, elevation, or speed. Strava has more than 150 TB of stream data from over 1 billion activities. This dataset offers enormous potential…

Rebuilding the Segment Leaderboards Infrastructure — Part 2: First Principles of a New System

Over the past year, the Strava platform team has been working to rebuild the segment leaderboards system. This is the second in a series of four blog posts detailing that…

Butler Merge Queue — How Strava Merges Code

For close to a year, a large portion of our repositories on GitHub have been using a…

Rebuilding the Segment Leaderboards Infrastructure: Part 4: Accessory Systems

Engineering Interviewing at Strava

We know Engineering interviewing can be stressful, and stress can often make interviews a poor sample of what you can do at work. We want to create an interviewing environment where you can show who you are and what you can do. Hopefully this blog post will help you…

Tessa: 1,000,000,000 Strava Activities, 1 Spatiotemporal Dataset