Systems Software Engineer - Cortex

New York, NY

Who We Are:

Cortex is a team of software engineers, data scientists, and research scientists dedicated to developing state-of-the-art machine learning capabilities to refine and transform our products.

Twitter is the heartbeat of the world: it is the only platform that offers insight into everything that is happening live. Our challenge: content that's posted on our platform is very rich, and our users' interests very diverse. Machine learning can help us connect users to the right content, and improve the quality of our products.

As a centralized machine learning team within Twitter, Cortex builds a platform bringing deep learning to all of Twitter BlueBird and Revenue products.

Who You Are:

You have a passion for machine learning and improving the ways people consume the world, live. You are excited to join an incredibly talented, and fun team which loves to take on new challenges. You like a fast-paced & fun environment, believe in Twitter’s mission in the world and want to be a core actor in pushing it forward.
 

What You’ll Do:

You will work with our team of machine learning experts and software engineers to design some of the strongest machine learning platform in the world, based on the latest deep learning, and powered by Twitter data.

Part of your responsibilities will be to design abstractions and libraries, create APIs and tools to simplify the usage of these capabilities for all engineers (even those without machine learning knowledge) at Twitter. Other responsibilities include integration with the Twitter data stack to feed our models through the platform, as well as optimizing latencies.

Requirements:

  • Scala or Java experience

  • Good understanding of the JVM

  • Experience with distributed systems development

  • Experience with software engineering best practices (e.g. unit testing, code reviews, design documentation)

  • BS, MS, or PhD in Computer Science or equivalent work experience

 

Nice to have:

  • Python or Lua experience

  • Familiarity with machine learning concepts

Engineering Hiring Process

Step 1

Once your application is received, a recruiter will reach out pending your qualifications are a match for the role.

Step 2

If your background is a match, you may have 1-2 technical phone interviews or be given the chance to provide a work sample depending on the role.

Step 3

If the phone interviews go well or your work sample is strong, the final step includes interviews with 5-6 people held onsite in our office.

Application

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At Twitter, we have a bold aspiration to reach every person on the planet. We believe that goal is more attainable with a team that understands and represents different cultures and backgrounds and 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.

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