Big Data Backend Engineer

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Job Description

Looking for a company that inspires passion, courage and creativity, where you can be on the team shaping the future of global commerce? Want to shape how millions of people buy, sell, connect, and share around the world? If you're interested in joining a purpose-driven community that is dedicated to creating an ambitious and inclusive environment, join eBay - a company you can be proud to be a part of.

Advertising is one of the fastest growing areas in eBay which in some ways, will define the future of eBay. Digital advertising as an industry is growing rapidly, and the landscape is shifting as ecommerce advertisers are finding better value with ecommerce companies like eBay. As they shift budget from the duopoly of Google and Facebook, it creates a huge opportunity for eBay. Advertising is also amplifying eBay’s ecommerce by providing a tool for our sellers to move inventory and for buyers, by surfacing high quality items.

This team focuses on building data / ML services for our advertiser sellers, to guide them ways to optimize for their ad budget and goals, for example by recommending the right inventory, keywords and Ads bid rate to apply for their campaigns, and eventually create campaigns automatically for advertisers.

Sell side experimentation is an exciting space to measure the effectiveness of recommendations.

This is a relatively new area but with a very high business potential and need. It would allow you to work with massive amounts of data, and use a variety of data science and engineering techniques.

The ideal candidate will have a blend of data and engineering skills, proven track record of solving critical business problems through strong analytical/quantitative and engineering skills. The candidate will be expected to have strong communication skills and to be capable of cross-group collaborations.


  • Work with data scientists, engineers, and multi-functional teams to produce end-to-end production-ready solutions.
  • Develop solutions for large scale problems in eBay.
  • Act as an expert data resource within the team
  • Provide technical leadership and mentoring to other team members
  • Be a self learner and ability to lead cross-functional data engineering solutions that depend on the contributions of others in a variety of disciplines


  • 10+ years in Data and Software engineering .
  • Strong Proficiency in a programming language such as Java and / or Scala with strong foundation in data structures, algorithms and a strong understanding of multithreading, synchronization, concurrent programming.
  • Strong hands on experience on building scalable distributed systems and REST API’s
  • Experience with large data sets and related technologies, e.g., Hadoop/Scala/Spark/Kafka.
  • Knowledge of SQL is a must.
  • Strong understanding of real time streaming technologies
  • Hands on experience of building complex and scalable ETLs
  • Knowledge of Strong analytical skills and data-driven decision-making
  • Experience in solving problems using data science and building practical solutions
  • Agility to adapt to emerging challenges and execute under ambiguity
  • Strong communication skills
  • Self-driven and  ability to independently work on projects with minimal supervision.

Preferred Qualifications :

  • Knowledge in Machine Learning is a plus
  • Knowledge in Experimentation is a plus
  • Knowledge of Ads Domain is a plus
  • Experience with Linux/OSX command line, version control software (git), and general software development
  • Strong written and verbal communication skills and ability to build strong relationships and influence across the organization

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.

Company Info.


eBay Inc. is a global commerce leader that connects millions of buyers and sellers around the world. We exist to enable economic opportunity for individuals, entrepreneurs, businesses and organizations of all sizes. Our portfolio of brands includes eBay Marketplace and eBay Classifieds Group, operating in 190 markets around the world.

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    2025 Hamilton Avenue, San Jose, CA 95125, USA
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eBay is currently hiring Big Data Engineer Jobs in San Francisco, CA, USA with average base salary of $120,000 - $190,000 / Year.

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