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Data Scientist Search Relevance in Barcelona

letgo

Workplace
Onsite
Hours
Full-Time
Internship
No
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Job Description

letgo is the fastest growing mobile marketplace to buy and sell locally. We’re powering a new, secondhand economy on mobile. We’re a diverse, passionate group that’s connecting millions of buyers and sellers. Our nimble, expert team is fueled by deep experience and rich analytics, allowing us to innovate with cutting-edge features like image recognition powered by artificial intelligence.

We are now looking for a Data Scientist who will help improve will help improve item search. We have a vast wealth of data: millions of user conversations, millions of annotated products and their images, tons of user-level app data and we want to leverage it to provide the best search experience to become the leading mobile marketplace.

Responsibilities:

  • Create a world-class mobile search experience for our users.

  • Hands-on implementation of search relevance solutions, including modelling, development, testing and debugging. A complete start-up experience.

Requirements:

  • 3+ years of experience with ranking and relevance problems

  • Strong quantitative skills (statistics, probability, machine learning) as well as knowledge of algorithms/data structures.
  • ​Strong software development skills
  • PhD in CS, Statistics, Math, Physics, or other quantitative field or MS with research experience

Nice To Have:

  • Background in search engines, and ideally hands-on experience with Apache Solr or Lucene or Elastic Search

  • Practical knowledge of NLP and search personalization techniques

  • Familiarity with building and deploying data pipelines and services in AWS
  • ​Experience with Query Understanding techniques

We offer:

  • Full-time position in Barcelona

  • Benefits: medical & dental insurance

  • In-house physical therapy

  • Language classes

  • Candy bar (fruit, snacks, drinks, coffee, etc.)

  • Attend tech conferences and events

  • Activities, team building, etc.

  • Exceptional work environment

  • Relocation package

  • Opportunity to work for a fast growing, mobile start up company.


 

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