# Machine Learning Engineer at Reddit

> Design and deploy industrial-scale ML models for ad ranking, bidding, and optimization, owning them from research through production.

- Company: Reddit (reddit.com)
- Location: San Francisco, CA
- Places: San Francisco, United States
- Posted: 2026-11-05
- Work mode: Hybrid
- Apply: https://job-boards.greenhouse.io/reddit/jobs/8349916
- Page: https://ye.saranatour.dev/jobs/machine-learning-engineer-reddit-kn7bhyb3em4jsc2m5159e8ayes8hm5ps

## The posting

Machine Learning Engineer
Reddit · San Francisco, CA

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 130 million daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit [www.redditinc.com](http://www.redditinc.com/).

**Job Duties:** Design, build, and deploy industrial-level machine learning models to solve critical problems in ad ranking, bidding, and optimization. Take full ownership of the ML lifecycle, from ideation and research to building scalable serving systems and maintaining models in production. Perform systematic feature engineering to transform raw, diverse data into high-quality features that drive model performance. Work closely with product managers, data scientists, and engineers to translate business challenges into effective ML solutions. Improve the reliability and stability of our ML systems by building robust monitoring, alerting, and automated retraining pipelines. Research new algorithms, stay up-todate with state-of-the-art ML techniques, and contribute to the team’s strategy and roadmap. **Part-time telecommuting is an option. Hybrid work from Reddit offices in San Francisco, CA.**

**Requirements:** Master’s degree, or its foreign degree equivalent, in Computer Science, Robotics, Engineering (any field), or a related quantitative discipline and two (2) years of experience in the job offered or in any occupation in related field.

**Special Skill Requirements:** (1) PII Data handling; (2) Kafka Infrastructure; (3) Data governance; (4) Batch data pipeline; (5) SLOs; (6) Graph service; (7) ML models; (8) XGboost; (9) LLM; (10) Google Cloud Platform. Any suitable combination of education, training and experience is acceptable. **Part-time telecommuting is an option. Hybrid work from Reddit offices in San Francisco, CA.**

**Benefits:**

- Comprehensive Healthcare Benefits and Income Replacement Programs
- 401k with Employer Match
- Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support
- Family Planning Support
- Gender-Affirming Care
- Mental Health & Coaching Benefits
- Flexible Vacation & Paid Volunteer Time Off
- Generous Paid Parental Leave

Submit a resume with references using the apply button on this posting or by email at: [applicationsreview@reddit.com](mailto:applicationsreview@reddit.com) at Req.# 1016.298.4.

**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/](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