Data Scientist Search Relevance in Barcelona

letgo

Salary
Undisclosed salary
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.


 

About letgo

  • Classifieds

  • Privately Held

  • Barcelona, Spain

  • 100-200 employees

  • 2015

letgo is the fastest growing mobile marketplace to buy and sell locally. We are powering a new, secondhand economy on mobile.

Recently named one of Europe's "Hottest Startups"​ by Wired, letgo's recently been featured by The New York Times, The Wall Street Journal, Fast Company, Fortune, Bloomberg, TechCrunch and others.

letgo's team is made up of 120 people of 25 different nationalities in our New York and Barcelona offices. We are 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, and the letgo Commercializer.

We're looking for people who are as passionate as we are and, just as importantly, who embrace constant change and innovation. If that sounds like you, check out our open positions at

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