I am reflecting on my recent vacation to Georgia. I decided to go to Atlanta, Georgia for the following reasons. I never went to the southern part of the United States before I have heard good things about Atlanta on how it is the capital of the south and very…

One holiday tradition I have during the Christmas holiday is watching the Nutcracker Ballet. There is something timeless about the dancers telling this traditional story. The dancers have a strange elegance and seem to float and glide across the dance floor. Ballet takes extreme athleticism and an extreme amount of…

My family and I went on a trip to Maui and I had a great time. This was my first trip to Maui and it has been over 7 years since my last trip to Hawaii. There are 5 highlights that I want to write about. Sunsets Snorkeling Beaches Road…

I can’t believe it’s been 4 years since I started working at Walmart. The 4 years flew by. I grew from an engineer just out of college to a capable senior engineer ready to lead and build with numerous technologies. …

The most fundamental part of Walmart’s backend is a messaging technology called Kafka. Kafka is a library that facilitates messaging and stream processing. Messages and streams are critical architecture pieces that are commonly used in software development. Stream processing simulates the real world. Messages are passed from system to system…

Recently, the Item Setup Team realized its systems were not performing optimally. Over the last year, Walmart increased sales and item growth by 40%, but the number of machines and capacity did not grow by the same amount. …

First, let’s install node. I use the package manager brew and type brew install node. If you need help installing homebrew go to brew.sh and follow the instructions. Node is a JavaScript runtime built on chrome’s v8 JavaScript engine. …

Winston Churchill has two quotes that are a great way to look at this controversial question. Namely, “The best argument against Democracy is a five-minute conversation with the average voter.” And “Democracy is the worst form of government except for all the rest.” At first glance, Facebook and these two…

In order to have an eCommerce store especially at the scale of Walmart you need to keep track of a lot of data. Every item that Walmart sells has a huge amount of information associated with it. Some examples of data that Walmart has on each item are the item’s…