Senior Data Scientist (Machine Learning)

Senior Data Scientist

Upwork is the world's largest freelancing website. Each year over $1 billion of work happens through Upwork, helping businesses get more done and freelancers work anytime, anywhere on projects they love. At Upwork you'll help build on this momentum. Together we'll create economic and social value on a global scale, providing a trusted online workplace for professionals to connect, collaborate and succeed.

Upwork is hiring a Senior Data Scientist/Machine Learning Scientist  to join our team!  We need data scientists to explore, analyze, and leverage our rich set of data to build cutting edge algorithms to improve our marketplace. The ideal candidate will have a passion for turning data into products, and a keen interest in shaping the future of the global labor market. We are a diverse team, with background ranging from computer science and electrical engineering to economics and statistics.

Your Responsibilities:

  • Build machine learning models that will become core components driving our marketplace.

  • Dive deep into the data and share your insights across the business.

  • Collaborate with operations and engineering teams on key initiatives.

  • Work with freelancer engineers, analysts and data scientists from around the world.

What it takes to catch our eye:

  • Solid knowledge and practical experience in statistical machine learning, Bayesian statistics, or optimization

  • +3 years of experience in industry as data scientist (machine learning or stat)

  • Have experience using machine learning, statistical, and text processing packages including scikit learn, mlib/spark, tensor-flow, theano, NLTK, etc

  • Experience using SQL, Pig/Hive, and scripting language like R, Python. Past experience of writing production level code is Python, Java or Scala is a plus

  • Superior ability to analyze and interpret the results of experiments; A/B testing

  • Knowledge of time series analysis is a plus

How to really knock our socks off:

  • Strong communication skills, both written and verbal.

Come change how the world works.

At Upwork you'll help shape the future of work. From our offices in San Francisco, Mountain View and Chicago, together we're creating exciting new opportunities for a world of professionals. You'll be part of a vibrant culture built on shared values: Inspire a boundless future of work, Build amazing teams, Put community first and, Bias towards action. Along the way you'll have fun and enjoy the perks of a people-first company: Work from Home Wednesdays, daily breakfasts and lunch, regular in-office happy hours, top-notch benefits and more. Check out Upwork's spotlight on The Muse for a glimpse of our daily work/life balance.

Upwork is proudly committed to recruiting and retaining a diverse and inclusive workforce. As an Equal Opportunity Employer, we never discriminate based on race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical condition), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.


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