Senior Machine Learning Engineer, Feed Relevance

at Reddit

Remote

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 101M+ daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit redditinc.com.

Location:
This role is completely remote-friendly. If you happen to live close to one of our physical office locations, our doors are open for you to come into the office as often as you'd like.

Team Description:
As a Senior Software Engineer, ML Feed Relevance, you’ll build the pipelines and low-latency services behind one of the largest personalized feeds on the internet! You’ll turn modeling ideas into production systems, wire up new features and ranking signals, and design experiments that let us ship with confidence—all while helping millions of users connect with their favorite content and discover new communities.

Responsibilities:

Write efficient, scalable and maintainable code that will help consistently deliver highly personalized experiences to Reddit users
Design and implement components of our recommender systems to adapt to user signals and optimize for long term user satisfaction; potentially including user targeting and segmentation, candidate retrieval, reinforcement learning, feature engineering, and prediction models
Follow data-driven design principles to develop hypotheses, test them via well designed experiments, and analyze the results to learn and iterate
Champion and drive engineering processes and best practices
Collaborate across disciplines and with other ML teams at Reddit to find technical solutions to complex challenges

Required Qualifications:

4+ years of experience as a machine learning engineer or software engineer developing backend / infrastructure at scale, using Go, Python, or any object oriented programming language
2+ years building data or model-serving pipelines at scale
Experience working with recommender systems or other ML-driven products
Familiar with software engineering best practices such as unit testing and code reviews, design, and documentation
Skilled at diving into data to debug system performance and develop a deeper understanding of how users are engaging with the product; proficient with SQL and data analysis
Passionate about building delightful products for users
Entrepreneurial spirit. You love to build new things and thrive in ambiguity and even failure. You figure out what it takes to drive projects to success.
Excellent communication skills. You collaborate effectively with teams in a fully remote environment and discuss complex topics with technical and non-technical audiences

Benefits:

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

#LI-DB1 #LI-Remote

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:

$216,700—$303,400 USD

In select roles and locations, the interviews will be recorded, and transcribed and summarized by artificial intelligence (AI). You will have the opportunity to opt out 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.