Engineering Blog

Our goal: Help developers create better code, more efficiently, while maintaining accessibility for all.

By leveraging Apache Spark, eBay Graph Database can export a graph with billions of vertices and edges.

We developed a ranking model to generate personalized recommendations that optimally ranks hundreds of candidate recommendations by considering a user’s shopping experience as well as platform performance objectives.

By integrating information from different modalities of eBay listings such as titles and images, we greatly improved the buyer experience and relevance of the recommended items on eBay’s listing pages.

Chief AI Officer Nitzan Mekel-Bobrov and Vice President of Seller Experience Xiaodi Zhang shared how AI will make life easier for sellers, buyers and employees.

Mazen shared his perspective on emerging technology trends and how eBay is embracing the disruption, bringing new customer experiences powered by AI to the marketplace.

Here at eBay, we’ve crafted a brand new approach to automate platform evolution for all applications — one that provides a repeatable and reusable infrastructure to streamline evolution.

The Similarity Engine's use cases include item-to-item similarity for text and image modality and user-to-item personalized recommendations based on a user’s historical behavior data.

eBay's core page — the View Item page — gets 250 million views per day. Here's how we took on the task of modernizing it.

A new feature generates customer delight by using modern computer vision techniques to drive new search paradigms through visual discovery.

It’s been effective at speeding up productivity, pushed to eBay, and contributed back to the open source community.

A new risk data hub for decisioning can significantly boost variable time-to-market, with high performance under billions of query traffic.

Contract testing has grown in popularity in recent years with the widespread adoption of microservice architectures. In this article, we will share our experiences with contract testing at eBay.

By leveraging deep learning techniques to compare the titles of product listings, we greatly improved the relevance of our recommended items on eBay’s View Item page.

eBay’s notification platform team built a fault-tolerant, resilient system by injecting faults in the application level.

eBay makes a crucial pivot to OpenTelemetry to better align with industry standards for Observability.

How the powerful meta-analysis method called "weighted z-test" can help eBay become more efficient.

Sellers in the U.S., U.K., Germany, Australia, France, Italy and Spain now have access to Buyer Groups, a new tool which allows them to segment their buyers to drive more repeat business.

Determining which promoted auction items to display in a merchandising placement is a multi-sided customer challenge that presents opportunities to both surface amazing auction inventory to buyers and help sellers boost visibility on their auction listings.