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Software Engineer, Cassini

Team Description

We are Cassini, the ebay search engine. The search engine is what you experience when you do a search on Cassini handles 5 billion queries daily on a corpus of 3 billion documents. Cassini is an ebay home-grown product written with the goal of very high availability and very low latency. Cassini supports dynamic deployment of ML models for query understanding, relevance, ranking, shipping time estimates and more. Heck, we have even written our own software load balancer so we can have more control over our traffic profiles!

We are looking for talented developers with a professional interest in large distributed systems. If you also understand modern C++, data structures and algorithms, you are the person we are looking for. Come join us and make Cassini even better.

Job Responsibilities

Build search features to support business requirements

Research and implement advanced CS and IR techniques for higher performance

Triage and debug production issues

Perform on-call duties as needed

On a higher level, the candidate is expected to:

Understand, estimate, design and implement complex software applications, primarily in C++

Deliver high performance, low latency, robust code with high test coverage, continuous integration and production monitoring

Lead product and engineering design and code reviews

Basic Qualifications

Bachelor's Degree in Computer Science or closely related field with 5 years of relevant experience

Expertise in Modern C++

Expertise in Algorithms and Data Structures

Experience in Linux Systems Programming

Experience in Distributed Systems

Familiarity with Information Retrieval Systems


Benefits are an essential part of your total compensation for the work you do every day. Whether you’re single, in a growing family, or nearing retirement, eBay offers a variety of comprehensive and competitive benefit programs to meet your needs. Including maternal & paternal leave, paid sabbatical, and plans to help ensure your financial security today and in the years ahead because we know feeling financially secure during your working years and through retirement is important.

Here at eBay, we love creating opportunities for others by connecting people from widely diverse backgrounds, perspectives, and geographies. So, being diverse and inclusive isn’t just something we strive for, it is who we are, and part of what we do each and every single day. We want to ensure that as an employee, you feel eBay is a place where, no matter who you are, you feel safe, included, and that you have the opportunity to bring your unique self to work.

eBay Inc. is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, veteran status, and disability, or other legally protected status. If you are unable to submit an application because of incompatible assistive technology or a disability, please contact us at [email protected]. We will make every effort to respond to your request for disability assistance as soon as possible.

For more information see: EEO is the Law Poster and EEO is the Law Poster Supplement

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