# Machine Learning Engineer, Ads Optimization & Ads Marketplace Quality

**Company**: Reddit
**Location**: Remote - United States
**Work arrangement**: remote
**Experience**: senior
**Job type**: full-time
**Salary**: $185,800-$303,400 USD
**Category**: Engineering
**Industry**: Technology

**Apply**: https://job-boards.greenhouse.io/reddit/jobs/8029120?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_897b069b-1a1

## Description

Reddit is seeking a Machine Learning Engineer to join the Ads Optimization and Ads Marketplace Quality (AMQ) organizations. The successful candidate will work on designing and implementing optimization algorithms for auctions, bidding strategies, and pacing that balance advertiser performance, user experience, and marketplace efficiency.

Responsibilities:

- Design and implement optimization algorithms for auctions, bidding strategies, and pacing

- Own systems end-to-end: from problem formulation and algorithm design to experimentation, production deployment, and ongoing iteration

- Work across Ads Optimization or Ads Marketplace Quality to deliver measurable wins for advertisers and Redditors

Requirements:

- 3–5+ years of experience building, deploying, and operating machine learning systems in production

- Strong programming skills in Python, Java, Go, or similar languages

- Experience designing scalable data processing systems

- Demonstrated ability to translate ambiguous product or business problems into solutions and to improve measurable metrics

Preferred Qualifications:

- Experience with advertising/auction systems, online marketplaces, or search/ranking systems at scale

- Familiarity with large-scale, real-time decision systems and low-latency production environments

- Background in feature engineering, model optimization, and production monitoring for ML systems

Benefits:

- Comprehensive Healthcare Benefits and Income Replacement Programs

- 401k with Employer Match

- Global Benefit programs that fit your lifestyle

- Family Planning Support

- Gender-Affirming Care

- Mental Health & Coaching Benefits

- Flexible Vacation & Paid Volunteer Time Off

- Generous Paid Parental Leave

## Skills

### Required
- Python
- Java
- Go
- machine learning
- data processing

### Nice to have
- advertising/auction systems
- online marketplaces
- search/ranking systems
- large-scale decision systems
- feature engineering

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Source: [Apply at job-boards.greenhouse.io](https://job-boards.greenhouse.io/reddit/jobs/8029120?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)