HomeJobsReddit › Anti-Evil Engineering

Senior Machine Learning Engineer, Safety

Reddit Remote - United States Full-time Anti-Evil Engineering Posted Jul 20, 2026
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Culture signals in this specific role

Inferred from the employer’s wording in this job description. These role-level signals are separate from the company-wide employee-review scores below.

Cross-functionalThe role explicitly involves collaboration across teams or functions.
Fast-pacedThe wording signals a fast-moving environment with changing priorities.
Deep technical workThe role highlights substantial technical, research, or systems work.
Remote or flexibleThe listing mentions remote, distributed, flexible, or hybrid work.
Mission-ledThe role connects its work to mission, safety, or broader impact.

What it’s like to work at Reddit

Social Platform · San Francisco

3.8
Employee Rating
3.5
Work-Life Balance
194
Open Roles
eng-drivenequitylearningproduct-impact

What employees love

  • Public company equity with strong comp (4.1/5) — engineers ship to hundreds of millions
  • 'Default Open' culture with comprehensive benefits and flexible time off

What could be better

  • Inconsistent management and shifting strategies create uncertainty across teams
  • 54% recommend rate — recent layoffs and reorgs have dampened morale
View full Reddit culture profile →

About the Role

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 126 million daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit www.redditinc.com.

Reddit is continuing to grow our teams with the best talent. This role is completely remote friendly within the United States. If you happen to live close to one of our physical office locations (San Francisco, Los Angeles, New York City & Chicago) our doors are open for you to come into the office as often as you'd like.

About the Role:

The Safety ML team is hiring a Machine Learning Engineer to build and iterate on the next generation of safety systems at Reddit. In this pivotal role, you will be responsible for developing, training, and optimizing state-of-the-art large language models (LLMs) in order to scalably and efficiently support the enforcement of Reddit Rules. You will be partnering closely with other Safety teams (Operations, Engineering, Product, Data Science) at Reddit to identify and build solutions that will help keep users safe as Reddit grows.

Responsibilities:

Required Qualifications:

#LI-SP1

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 salary 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 salary range for this position is:
$216,700$303,400 USD

In select roles and locations, the interviews will be recorded, transcribed and summarized by artificial intelligence (AI). You will have the opportunity to opt out of recording, transcription and summarization prior to any scheduled interviews.

During the interview, we will collect the following categories of personal information: Identifiers, Professional and Employment-Related Information, Sensory Information (audio/video recording), and any other categories of personal information you choose to share with us. We will use this information to evaluate your application for employment or an independent contractor role, as applicable. We will not sell your personal information or disclose it to any third party for their marketing purposes. We will delete any recording of your interview promptly after making a hiring decision. For more information about how we will handle your personal information, including our retention of it, please refer to our Candidate Privacy Policy for Potential Employees and Contractors.

Reddit is proud to be an equal opportunity employer, and is committed to building a workforce representative of the diverse communities we serve. Reddit is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If, due to a disability, you need an accommodation during the interview process, please let your recruiter know.

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Frequently Asked Questions

What is the work-life balance like at Reddit?
Reddit has a work-life balance score of 3.5/5 based on employee reviews. This is about average for the AI/tech industry.
What is Reddit’s culture like?
Reddit is characterized by these culture values: eng-driven, equity, learning, product-impact. Based on employee reviews, the company has an overall rating of 3.8/5. Public company equity with strong comp (4.1/5) — engineers ship to hundreds of millions
How many open roles does Reddit have?
Reddit currently has 194 open roles across departments including engineering, product, sales, and more. Roles are refreshed daily from their careers page.
Is this role remote-friendly?
This role is located in Remote - United States. Check the job description above for specific location and remote work details.
Apply for this role at Reddit →