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Senior Software Engineer II, Machine Learning

New York, NY

Company Description

Etsy is the global marketplace for unique and creative goods. We build, power, and evolve the tools and technologies that connect millions of entrepreneurs with millions of buyers around the world. As an Etsy Inc. employee whether a team member of Etsy, Reverb, Depop, or Elo7 you will tackle unique, meaningful, and large-scale problems alongside passionate coworkers, all the while making a rewarding impact and Keeping Commerce Human

Job Description

We are looking for an experienced Senior Software Engineer with Machine Learning Skills, to join the Recommendations Ranking team in order to help enable product teams across Etsy to understand, personalize, and rank recommendations that we show to buyers

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The Recommendations Ranking team builds machine learning models that aim to enhance personalization and optimize recommendation relevance, thereby improving the overall user experience. We use machine learning algorithms to train models that optimize for different objective functions, tailored to meet different business needs.

We are looking for individuals who are product & technology driven, and are passionate about making ML innovations in areas such as: Ranking, Optimization, Deep Learning, and Reinforcement Learning to help improve the Etsy buyer/seller search experience!

This is a full-time position reporting to the Sr. Manager, Data Scientist and the base salary range will be 184,000 - 216,000 USD per year. In addition to salary, you will also be eligible for an equity package, an annual performance bonus, and our competitive benefits that support you and your family as part of your total rewards package at Etsy. For this role, we are considering candidates based in the U.S. who are either remote, flex, or office-based. Etsy offers different work modes to meet the variety of needs and preferences of our team. Learn more about our Flex and Office-based work modes and workplace safety policies here.

What does the day-to-day look like?

  • Initiate and lead new tracks of work to enhance ranking capabilities of Etsy's Recommendation engine.
  • Develop innovative ML ranking models that optimize for various business goals to power recommendations at scale.
  • Build models that allow us to better understand the unique interests, tastes, and shopping mission of Etsy's buyers.
  • Develop models with custom architectures or objective functions that target Etsy-specific problems, including but not limited to revenue optimization, seller fairness, and seasonality.
  • Work closely with software engineers, data scientists, applied scientists, product managers, and designers.
  • Of course, this is just a sample of the kinds of work this role will require! You should assume that your role will encompass other tasks, too, and that your job duties and responsibilities may change from time to time at Etsy's discretion, or otherwise applicable with local law.


Qualities that will help you thrive in this role are:

  • Successful track record of building large-scale recommendations, search, or advertising systems.
  • Experience with distributed training of machine learning models.
  • Experience with Scala, PHP, and Python and with tools like Spark and Tensorflow.
  • Ability to write code and manipulate data at a large scale, in distributed environments.
  • Ability to take on and lead unconstrained problems and know when to seek help and how to deliver.
  • Strong verbal and written communication skills.
  • Strong problem-solving skills and attention to detail.

Preferred requirements:

  • A Master's degree in Computer Science, Machine Learning, or related engineering field.
  • 4+ years of experience in software development, including at least 1-2 years of experience with large-scale machine learning models.
  • Experience with distributed training of machine learning models.Experience in building production recommendations, search, or advertising systems.
  • Experience using Scala Spark, Airflow, and Tensorflow.
  • Experience using Google Cloud Platform tools (GCP).

Additional Information

What's Next

If you're interested in joining the team at Etsy, please share your resume with us and feel free to include a cover letter if you'd like. As we hope you've seen already, Etsy is a place that values individuality and variety. We don't want you to be like everyone else -- we want you to be like you! So tell us what you're all about.

Our Promise

At Etsy, we believe that a diverse, equitable and inclusive workplace furthers relevance, resilience, and longevity. We encourage people from all backgrounds, ages, abilities, and experiences to apply. Etsy is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. If, due to a disability, you need an accommodation during any part of the interview process, please let your recruiter know. While Etsy supports visa sponsorship, sponsorship opportunities may be limited to certain roles and skills.

For U.S. roles only:

Many Etsy roles are open to remote candidates, and you'll be able to identify which ones within the location header of each job description. We're open to remote hires from all U.S. states except Hawaii and Alaska.

Client-provided location(s): Brooklyn, NY, USA
Employment Type: Other