Staff Software Engineer, Search Platform

At eBay were more than a global ecommerce leader were changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. Were committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts.

Our customers are our compass authenticity thrives bold ideas are welcome and everyone can bring their unique selves to work every day. Were in this together sustaining the future of our customers our company and our planet.

Join a team of passionate thinkers innovators and dreamers and help us connect people and build communities to create economic opportunity for all.

Cassini is eBays AI search platform that powers most of eBays applications from the search results page recommendations on view item pages to Ads serving and AI chatbot. Those applications are configured by different teams inside eBay as Cassini query workflows that use the different state-of-the-art capabilities of our system : efficient sparse and dense retrieval machine-learned ranking real-time inference configurable federation and workflow execution with automatic dependency fetching.

We serve several billion requests per day and host multiple billion documents in our production system. The mission of the search platform team is to help the different eBay product teams to create relevant scalable and magical experiences that are powered by AI.

We do this by :

• Adding new functionality to the platform
• Optimizing cost-to-serve and latency on a platform level or optimizing via consultation on the application level and
• Improving self-serve and monitoring capabilities.

General platform optimizations are usually achieved by developing or using advanced data structures and algorithms while application-level optimizations are mostly rooted in a deep understanding of designing information retrieval systems. The core components of Cassini are written in modern C and we use parallel and distributed computation to power query serving. If you have a background in those areas and like to contribute to achieving our mission please come join us!

What you will accomplish :

What you will bring :

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Required Experience :

Staff IC

Key Skills

Campaigns,JSP,Dhtml,Loans,Automobile

Employment Type : Full-Time

Experience : years

Vacancy : 1