Tagged in data quality :
Our Journey to Building a Scalable SQL Testing Library for Athena
Our analytics team plays a vital role in maintaining high-quality data that drives everything from key reports to experiments aimed at improving our products. Ensuring data reliability is critical, and to achieve this, we’ve built a robust SQL testing library for Athena. A strong data foundation isn’t just about accuracy—it’s about reliability. That’s why testing… Read more
Implementing Event Tracking Infra with CDK
Engineers at Wealthfront emphasize iterative development and maintainability of code to build robust applications. The underpinnings of any application is its infrastructure. To build robust and scalable apps, it is a requirement to apply the same engineering principles of iteration and maintainability to create quality, underlying infrastructure. In the case of our event-tracking system, which… Read more
Automating Data Quality Checks on External Data
The code was simple: query the third party API, if the “ModifiedAt” date returned was more recent than ours, send a notification to our clients. We had all the unit tests, integration tests, and monitoring in place. It had been running smoothly in production for months. So how did we end up unnecessarily sending a… Read more