• title-card

    Keeping LinkedIn professional by detecting and removing inappropriate profiles

    January 16, 2020

    Our members place their trust in us, and expect and deserve a safe and trusted community where they can express themselves professionally. We are constantly investing in a variety of systems (Automated Fake Account Detection at LinkedIn, Defending Against Abuse at LinkedIn’s Scale, and How We’re Protecting Members From Fake Profiles) to help automatically detect...

  • diagram-of-pinot-architecture

    Upgrading to RHEL7 with minimal interruptions

    January 14, 2020

    Pinot, an open source scalable distributed columnar OLAP data store, is used extensively across almost all areas of LinkedIn. It drives member-facing use cases such as Feed Item Popularity and Who Viewed My Profile, supports recruiter tools such as Talent Intelligence, and holds the data for our internal unified metrics platform. Pinot adoption has grown...

  • diagram-of-a-parallelization-optimization

    Building a blazingly fast Android app, Part 2

    January 7, 2020

    Monitor, profile, optimize, and ramp. This is the cycle of performance operations that we rely on to improve our Android app. Part 1 of this blog series covered monitoring and profiling — monitoring gives us the “true north” of optimizations to make data-driven decisions, while profiling helps us pinpoint the areas of opportunity. In part 2, we will look at...

  • diagram-of-linkedin-services-and-the-lix-engine

    Making the LinkedIn experimentation engine 20x faster

    January 3, 2020

    Co-authors: Alexander Ivaniuk, Jingbang Liu At LinkedIn, we like to say that experimentation is in our blood because no production...

  • performance-oeprations-cycle-of-development

    Building a blazingly fast Android app, Part 1

    December 23, 2019

    Defined as the speed at which an app loads and responds to a member, app performance is critical to an app’s success. When an app...

  • lightweight-hardware-accelerated-video/audio-transcoder-for-android

    LiTr: A lightweight video/audio transcoder for Android

    December 19, 2019

    If a picture’s worth a thousand words, then what about a video?  In 2017, we launched video sharing to give our members the ability to...