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Data Scientist Discovery in Barcelona


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Job Description

letgo's the largest app to buy and sell locally, with over 75M downloads and hundreds of millions of listings added by users. Named one of Wired’s “Hottest Startups” and among 2016’s “Best Apps” by Google, letgo’s the second fastest growing app in America since its 2015 launch. Business Insider calls letgo “the go-to app for selling your stuff” and it’s been featured by The New York Times, The Today Show, Mashable, Fast Company, The Wall Street Journal, Fortune and hundreds of others worldwide. It’s the only app with artificial intelligence and image recognition that make posting something for sale as simple as taking a photo. Users can easily browse local listings, chat instantly in the app and view each other’s profiles, ratings and reviews.
Based in our New York and Barcelona offices, our team of over 165 represents more than 20 nationalities. Fueled by our diverse expertise, letgo’s goal is to build the largest marketplace of its kind in the world. We’re looking for people who are as passionate as we are about creating something our users love and - just as importantly - who are excited by the challenge.
We are looking for a Data Scientist to help us on our mission to empower users to find what they want. We have a vast wealth of data, including millions of user conversations, millions of annotated products and their images, and a wealth of user-level app data that we want to leverage it to provide the best discovery experience and become the leading mobile marketplace.
Your challenge:

   •    Identify opportunities for new features based on rigorous analysis of our data

   •    Prototype and implement Minimum Viable Product features using the right tools and algorithms

   •    Honor the scientific method - be willing to test your ideas and fail

To get there, you'll need:

   •    2+ years of experience building Data Science powered products in industry

   •    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
   •    Strong knowledge of the theory and practice of controlled experiments (preferred)
   •    Experience with recommender systems (preferred)

   •    Knowledge of NLP and Computer Vision tools and algorithms (preferred)

   •    Familiarity with building and deploying data pipelines and services in AWS (preferred)

letgo perks:

   •    100% covered medical, vision, and dental care premiums for you and your family

   •    Competitive salary and stock options

   •    Beautiful, new office  in the heart of Soho and along the beach in Barcelona 

   •    Potential opportunities to travel to - and work in - both of our offices

   •    Robust relocation package

   •    Massage therapy (Barcelona office)

   •    Fully stocked kitchens

   •    Team-building activities

   •    Language and other courses

letgo is proud to be an Equal Opportunity and Affirmative Action employer. Ensuring a diverse and inclusive workplace where we learn from each other is core to letgo's values. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.


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