# Director of Safety ML

**Company**: Reddit
**Location**: Remote - United States
**Work arrangement**: remote
**Experience**: executive
**Job type**: full-time
**Salary**: $276,700-$387,400 USD
**Category**: Engineering
**Industry**: Technology

**Apply**: https://job-boards.greenhouse.io/reddit/jobs/7926627?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_47f3c99d-cbb

## Description

We're looking for a Director of Machine Learning to lead Reddit's efforts in building industry-leading ML systems that keep our platform safe and foster healthy online communities.

As a key member of our Trust & Safety team, you will own the roadmap for Safety and moderation ML, lead a team of applied scientists and engineers, and partner cross-functionally across Product, Engineering, Safety operations, Trust & Community, and AI/ML Platform to innovate on real-time detection, automation, and user protection systems.

Responsibilities:

- Set the vision and strategy for applying ML to Trust & Safety, ensuring scalable, proactive protection against evolving abuse patterns.

- Lead and grow a high-performing Safety ML organization, including applied research, model development, productionization, and continuous improvement.

- Develop and deploy cutting-edge Safety ML systems (including fine-tuned LLMs and transformer models) that outperform state-of-the-art solutions in quality, latency, and efficiency.

- Partner with Trust & Safety, Product, Moderation, and AI/ML Platform teams to identify safety risks, emerging harm vectors, and ML opportunities that improve detection, enforcement, and user experience.

- Drive successful experimentation, evaluation, and model lifecycle management, ensuring high precision, recall, explainability, and policy alignment.

- Champion ethical and responsible AI practices in all Safety ML solutions.

- Track performance through metrics, research-based iteration, and alignment with Reddit’s safety policies and regulatory standards.

- Represent Safety ML leadership internally and externally , including conferences, publications, industry groups, and cross-company collaboration initiatives.

Required Qualifications:

- 10+ years of experience in Machine Learning, AI, or applied research, with a strong background in Trust & Safety, abuse prevention, detection, or content integrity.

- 5+ years of experience leading multi-disciplinary ML teams of 25+ team members (applied science, engineering, analytics) in a high-growth or high-impact environment. Must have experience managing people leaders (managers with direct reports)

- Proven track record of shipping ML systems at scale in production, ideally including transformer-based models and LLM fine-tuning.

- Depth in NLP, content understanding, detection systems, supervised and weak-supervision techniques.

- Strong cross-functional leadership skills, with ability to influence executives and foster alignment across Safety, Product, and Engineering.

- Thought leadership in responsible AI, safety ML research, or safety measurement frameworks.

- Entrepreneurial mindset , experience founding or scaling a product or ML org.

Nice to Have:

- Experience building or operating real-time abuse detection and automated moderation systems in a complex user-generated content ecosystem.

- Prior work in consumer-facing tech, social platforms, or large-scale community-driven products.

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

## Skills

### Required
- Machine Learning
- AI
- Applied Research
- Trust & Safety
- Abuse Prevention
- Detection
- Content Integrity
- NLP
- Content Understanding
- Detection Systems
- Supervised and Weak-Supervision Techniques

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Source: [Apply at job-boards.greenhouse.io](https://job-boards.greenhouse.io/reddit/jobs/7926627?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)