Tech Blog Archive

Accessibility in Engineering

How eBay Made Its New Accessibility Tool — And Made It Available to All

Several eBay teams worked together to create a plug-in that makes it easy to include accessibility in a design right from the start.

By: Dan Nosowitz
Developer Productivity in Engineering

Open-Source Contribution: New Maven Dependency Resolution Algorithm

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

By: Eric Cai, Simon Wang and Caddie Song
Data Infrastructure and Services in Engineering

Variable Hub: Easier Data Integration for Risk Decisioning

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

By: Kan Lin, Jiwen Yan and Yuanyuan Tan
Microservices in Engineering

API Evolution Is a Challenge. Could Contract Testing Be the Solution?

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: Xiaoye Wang, Simon Wang, Daphne Huang, David Van Couvering and Qingyuan Liu
Competitions in Engineering

eBay Announces Winners of 4th Annual Machine Learning Challenge

Using the power of natural language understanding, these two students created fantastic solutions.

By: Dan Nosowitz
Advertising in Engineering

How eBay Created a Language Model With Three Billion Item Titles

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.

By: Chen Xue, Jesse Lute, Dan Schonfeld, Guoping Han and Leonard Dahlmann
Testing in Engineering

How eBay’s Notification Platform Used Fault Injection in New Ways

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

By: Wei Chen
Kubernetes in Engineering

Why and How eBay Pivoted to OpenTelemetry

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

By: Vijay Samuel
Testing in Engineering

Increase A/B Testing Power by Combining Experiments

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

By: Zezhong Zhang
Advertising in Engineering

New Buyer Groups Tool Brings Personalized Marketing to eBay Sellers

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.

By: Parin Jogani and David Bernstein