Code Reviews by Phase and Expectations
Code reviews are amazing for many reasons. And everyone on the team should contribute. Interestingly, the behavior of an engineer with respect to code reviews changes based on seniority or tenure within a team or code repository. I like to refer these changes as “phases”. This document attemp...
The Wisdom of David Henke
A hero to the engineering and operations world, here’s a collection of some of David Henke’s greatest quotes and sayings like “you are only as good as your lieutenants” and “what part of 24/7 don’t you understand?”.
Performance Improvements for Slideshare Android
A post I co-wrote on the LinkedIn Engineering Blog that documents the Slideshare team’s work improving the performance of our Android App.
A Brief History of Scaling LinkedIn
LinkedIn's scaling journey began with a single application and evolved into a microservices architecture, enhancing scalability and reliability. This transition involved the introduction of technologies like Kafka for data streaming and Rest.li for API interactions, showcasing the need for ev...
LinkedIn's Field of Study Explorer
A post I wrote on the LinkedIn Engineering Blog that documents my team’s work building powerful searching tools for students and alumni. This post walks through how we standardize our profile data, leverages the latest in LinkedIn search technology, and provides a powerful visual to LinkedIn...
Fragments, Tab Adapter, and Different Layouts
When using Fragments in tabs, the FragmentManager takes care of instantiating, retaining, and reusing Fragments. The problem there is that a tag for a fragment is auto-generated. If we want to reuse that exact Fragment in a different layout (like when the device is rotated), we need to extrac...
Building LinkedIn University Pages
A post I wrote on the LinkedIn Engineering Blog that documents my team’s work building Unversity Pages for LinkedIn. This post surveys the engineering and data pipelines that goes into a modern LinkedIn product like University Pages.
Engineering the New LinkedIn Profile
This post I originally wrote on the LinkedIn Engineering Blog that documents my team’s journey rewriting LinkedIn’s main member profile page. It’s a combination of a brand new design, numerous new product features, and a brand new frontend architecture. This architecture uses a custom Java we...
New App Engine Pricing may kill Earthquake Alerter
To send immediate alerts of earthquakes to users of my Android app Earthquake Alert, I use Google App Engine as the processing backend for C2DM (cloud to device messaging). Since this was recommended by the Google Android team, I thought it would be a great option. However that all changed wh...
Earthquake notifications using C2DM and App Engine
In order to enhance my Earthquake Alert! Android app, I wanted to be able to alert any user’s phone when an earthquake occurs anywhere in the world that matches some pre-defined filters. The end result was the Earthquake Alerter add-on app and it uses Google’s C2DM and Google App Engine to a...