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.