Technology Blog

PayPal in Q3 of 2021 managed to process transactions close to $310 billion USD. To achieve our goals and surpass those numbers, we are…

A lightweight two-layer ensemble classifier framework to solve complex business problems.

Prevent organized and repeat fraudsters by using a home-grown graph platform

As software design evolves, so do the thought processes behind the design decisions we make as engineers. Some of these development…

How a team at PayPal built a tool to define, manage, control, and deploy rulesets for the data quality framework.

PayPal is migrating its analytical workloads to Google Cloud Platform (GCP). We designed a streaming application from Kafka to BigQuery.

Once an application fails in production, it can lead to revenue loss. This can be avoided if we prevent production failures.

At PayPal, we have thousands of different services in different stacks across data centers.

Braintree Payments uses PostgreSQL as its primary datastore. We rely heavily on the data safety and consistency guarantees a traditional…

The Machine Learning development process requires a great deal of coding and tooling support from the engineering team. In this blog, we…

We discovered many of our engineering challenges could be solved with GraphQL. Use our best practices to drive GraphQL adoption at your…