Tech Blog Archive

Solving technical challenges at scale to power the world’s largest Internet marketplace.

Accessibility

Introducing an Accessibility Linter for Marko: Shortening the Accessibility Testing Pipeline

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

By: Luke LaValva
Big Data

How We Export Billion-Scale Graphs on Transactional Graph Databases

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

By: Hongjiang Zhang, Jun Li, Hieu Nguyen and Flora Zhang
Machine Learning

Evolving Recommendations: A Personalized User-Based Ranking Model

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: Yingji Pan, Bing Zhou and Yuri M. Brovman
Recommender Systems

Beyond Words: How Multimodal Embeddings Elevate eBay's Product Recommendations

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.

By: Shibo Song, Lili Weng and Shawn Zhou
User Experience

eBay Execs Talk Generative AI and Computer Vision at VentureBeat Transform Conference

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.

By: Dan Nosowitz
Machine Learning

eBay Chief Technology Officer Mazen Rawashdeh Talks AI, Embracing Tech Disruption on Bloomberg Podcast

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.

By: Dan Nosowitz
Developer Tools

eBay’s Common Automation Solution for Platform Evolution

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.

By: Paul Zhang and Tao Jin

eBay Is Hiring

101 Job Openings Start Your Search

North
America

52 Job Openings

Europe &
Middle East

26 Job Openings

Asia
Pacific

23 Job Openings
Machine Learning

eBay’s Blazingly Fast Billion-Scale Vector Similarity Engine

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.

By: Santosh Shahane, Kui Yang, Leonard Dahlmann, Amarendra Belineni, Yan Sun, Shrivatsan Navalpakkam Rajagopalan and Pavel Petrushkov
Developer Productivity

How eBay Modernized the Most Important Page on Our Platform

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.

By: Lakshimi Duraivenkatesh, Ben Vesco and Saral Sukumar Jeyaseelan