• Azure-Front-Door-map

    Scaling LinkedIn’s Edge with Azure Front Door

    June 16, 2020

    Co-authors: Viranch Mehta, Jon Sorenson, Samir Jafferali As LinkedIn has grown to more than 690 million members, we’ve expanded our edge platform to 19 Points of Presence (PoPs) across 5 continents over the years to be closer to our members and provide a quick and reliable experience. As we started evaluating how to best scale for the future needs of our...

  • designing-our-new-messaging-system-title-card

    Rebuilding messaging: How we designed our new system

    June 15, 2020

    Co-authors: Tyler Grant, Armen Hamstra, Cliff Snyder Over the last five years, the number of messages sent on LinkedIn has quadrupled. Whether it’s to connect with former colleagues or discuss new opportunities, messaging is core to how our members connect on the platform. As LinkedIn grew, our original email-based messaging system expanded and evolved to not...

  • diagram-of-kube2hadoop-authentication-mechanism

    Open sourcing Kube2Hadoop: Secure access to HDFS from Kubernetes

    June 10, 2020

    Co-authors: Cong Gu, Abin Shahab, Chen Qiang, Keqiu Hu Editor's note: This post was updated on June 10, 2020 LinkedIn AI has been traditionally Hadoop/YARN based, and we operate one of the world’s largest Hadoop data lakes, with over 4,500 users and 500PB of data. In the last few years, Kubernetes has also become very popular at LinkedIn for Artificial...

  • open-sourcing-our-spark-inequality-a-b-testing-library

    Bringing Project Every Member to life: Open sourcing our...

    May 26, 2020

    Co-authors: Guillaume Saint-Jacques, Stuart Ambler Last month on this blog, we introduced how we are building inclusive products...

  • linkedins-approach-to-automated-accessibility-testing

    LinkedIn’s approach to automated accessibility (A11y)...

    May 21, 2020

    Co-authors: Oliver Tse, Andrew Lee, Melanie Sumner, Renato Iwashima Accessibility (A11y) Engineering at LinkedIn aims to streamline...

  • graph-showing-x-axis-dwell-time-y-axis-probability

    Understanding dwell time to improve LinkedIn feed ranking

    May 12, 2020

    Co-authors: Siddharth Dangi, Johnson Jia, Manas Somaiya, and Ying Xuan The LinkedIn feed is the cornerstone of the member experience....