Travis Horn I'm a Data Scientist & Software Engineer. I have a passion for discovering and working with cutting-edge technology. I enjoy collaborating with others to solve problems.
Here are some of the latest articles I've written:
How I Used Spark Broadcast Joins to Speed Up Cross-Border Analysis
Efficiency is the name of the game when you've got massive data volumes that
include cross-border and regional aggregations like those you might find …
Modeling a Multi-Currency Settlement Engine
When anyone makes a purchase, whether it's online or in a brick-and-mortar
store, the cardholder's bank (the issuer) and the merchant's bank (acquirer…
Refactoring Complex SQL to Reduce Query Time by 99%
A query that works perfectly on a small development dataset can still bring the
production database to a halt as data volumes scale. You must understa…