Staff Machine Learning Engineer



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Software Engineering
San Francisco, CA, USA
Posted on Wednesday, February 7, 2024

Reddit is a community of communities where people can dive into anything through experiences built around their interests, hobbies, and passions. Our mission is to bring community, belonging, and empowerment to everyone in the world. Reddit users submit, vote, and comment on content, stories, and discussions about the topics they care about the most. From pets to parenting, with over 100,000 active communities and over 70 million daily active users, it is home to the most open and authentic conversations on the internet. For more information, visit redditinc.com.

Reddit, Inc. seeks Staff Machine Learning Engineer in San Francisco, CA:

Job Duties: Lead projects where you’ll apply Machine Learning to personalization, discovery and recommendation problems. Build and deploy sophisticated machine learning models to improve experiences for millions of users. Participate in the full software development cycle: design, develop, QA, deploy, experiment, analyze and iterate. Collaborate across disciplines and with other ML teams at Reddit to find technical solutions to complex challenges. Work with data-intensive systems and write production-quality software. Extract insight from data. Build and maintain Reddit’s machine learning and feature engineering pipelines. Build and maintain Reddit’s model management and CI/CD system. Design and maintain streamlined model training and serving systems. Expose capabilities that increase the velocity of model development and experimentation. Partner in the development of a state-of-the-art ML platform that powers the next generation of Deep Learning, Natural Language Processing, Recommendation Systems, Representation Learning and Computer Vision. Showcase solid theoretical knowledge of Machine Learning and Statistical concepts, including Deep Learning, as well as performance tradeoffs. Experience with recommender and/or ranking systems is a plus. Telecommuting is an option. Some travel to Reddit’s main office may be required.

Minimum Requirements: Master’s degree (or foreign equivalent) in Computer Science, Engineering (any field) or closely related quantitative discipline and two (2) years of experience in the job offered, or two (2) years of experience in the field of software engineering, OR Bachelor’s degree (or foreign equivalent) in Computer Science, Engineering (any field) or related discipline, and five (5) years of experience in the job offered, or five (5) years of progressively responsible experience in the field of software engineering.

Special Skill Requirements: (1) Python Programming; (2) AWS; (3) Docker; (4) Pandas; (5) Tensorflow or Pytorch; (6) SQL; (7) machine learning model development; and (8) extracting insights from offline and online customer data. Any suitable combination of education, training and/or experience is acceptable. Telecommuting is an option. Some travel to Reddit’s main office may be required.


  • Comprehensive Healthcare Benefits
  • 401k Matching
  • Workspace benefits for your home office
  • Personal & Professional development funds
  • Family Planning Support
  • Flexible Vacation (please use them!) & Reddit Global Wellness Days
  • 4+ months paid Parental Leave
  • Paid Volunteer time off

Submit a resume with references using the apply button on this posting or by email at: jobs@reddit.com at Req.# 21-6935T.


Pay Transparency:

This job posting may span more than one career level.

In addition to base salary, this job is eligible to receive equity in the form of restricted stock units, and depending on the position offered, it may also be eligible to receive a commission. Additionally, Reddit offers a wide range of benefits to U.S.-based employees, including medical, dental, and vision insurance, 401(k) program with employer match, generous time off for vacation, and parental leave. To learn more, please visit https://www.redditinc.com/careers/.

To provide greater transparency to candidates, we share base pay ranges for all US-based job postings regardless of state. We set standard base pay ranges for all roles based on function, level, and country location, benchmarked against similar stage growth companies. Final offer amounts are determined by multiple factors including, skills, depth of work experience and relevant licenses/credentials, and may vary from the amounts listed below.

The base pay range for this position is:
$270,375$322,000 USD

Reddit is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, please contact us at ApplicationAssistance@Reddit.com.

This job is no longer accepting applications

See open jobs at Reddit.