Job Post

Machine Learning Engineer - Recommendations

Twitter
245 West 17th Street
New York, NY 10011

Are you excited about building cutting-edge tech that powers some of the most impactful recommender systems in the world? Do you enjoy building systems that scale to hundreds of millions of users? If so, Recommendations is the right home for you.

Who We Are:

The Recommendations team serves some of the most impactful features on Twitter, like the Home Timeline, Notifications, Emails, Explore and so much more. Our code operates at massive scale and speed, serving billions of requests per day, connecting hundreds of millions of active Twitter users to real-time information about their lives and the world we live in.

At Twitter, our mission is to instantly connect users to the information most meaningful to them. Realizing this involves work in areas such as machine learning, applied data science, massive scale graph mining, recommendation systems, information retrieval systems, natural language processing, etc.

What You'll Do:

  • You’ll apply machine learning and/or data science techniques to a variety of modeling and relevance problems involving users, their relationships, their tweets and their interests.
  • You will participate in the engineering life-cycle at Twitter, including designing distributed systems, writing production code, conducting code reviews and working alongside our infrastructure and reliability teams.
  • Although you will work on cutting-edge problems, this position is not a research position.

Who You Are:

You have a passion for machine learning and improving the ways people consume the world, live. You’re a relevance engineer, applied data scientist or machine-learning engineer who wants to work on exciting algorithmic and deep infrastructure issues. You’re experienced solving large scale relevance problems and comfortable building brand new systems to enable future quality improvements.

  • Knowledgeable in one or more of the following: machine-learning, information retrieval, recommendation systems, social network analysis
  • Designed and evaluated approaches for handling high-volume real-time data streams.
  • A strong technical advocate with a background in Java, C++, or Scala, and Python.
  • Comfortable conducting design and code reviews.
  • Experienced in operating Linux-based systems.
  • Knowledgeable of core CS concepts such as: common data structures and algorithms, profiling/optimization.
  • Passionate about working with large unstructured and structured data sets ( for example multi-terabyte+, 100MM+ daily transaction volumes).
  • Experienced in collaborating across multiple teams including analytics, product management, and operations.

Requirements:

  • B.S., M.S. or Ph.D. in Computer Science or equivalent degree and work experience.

We are committed to an inclusive and diverse Twitter. Twitter is an equal opportunity employer. We do not discriminate based on race, color, ethnicity, ancestry, national origin, religion, sex, gender, gender identity, gender expression, sexual orientation, age, disability, veteran status, genetic information, marital status or any legally protected status.

Category: Data Science / Machine Learning
Full-time

See What It's Like To Work Here

Twitter is what’s happening and what people are talking about, all around the world. From breaking news and entertainment to sports and politics, from big events to everyday interests. If it's happening anywhere, it's happening first on Twitter.

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