DEV328: DevOps Lessons from Coursera: Site Performance, Reliability, and Developer Productivity

As Coursera has grown, both in traffic and engineering team size, we've put much more emphasis on site performance, reliability, and developer productivity. Solving these problems is more complicated than just scaling up the number of EC2 instances though -- they've required rethinking approaches from the ground up and using better tools for the job.  In this session, Coursera's frontend infrastructure team will walk you through how we leveraged AWS services, including ECS, CodeBuild, and ALBs, to improve site performance by 30% and reduce build times by 80%, all while cutting costs in the process.