# Staff Machine Learning Engineer, Ads Creative Effectiveness at Reddit

- Company: Reddit
- What the company does: Backed by 500 Global.
- Company website: https://www.redditinc.com
- Type: Startups (AI role)
- Level: Senior
- Location: Remote - United States
- Work setup: Remote
- Posted: 2026-10-02
- Apply by: 2026-11-23
- Apply: https://job-boards.greenhouse.io/reddit/jobs/8250389?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/reddit-staff-machine-learning-engineer-ads-creative-effectiveness/

## About the role

Reddit’s Ads Creative Effectiveness team sits at the heart of our creative strategy, building GenAI and predictive products that help advertisers ship high-impact campaigns. We are searching for a Staff engineer with in-depth GenAI expertise that can help us build the future of generative products for ad creative at Reddit - best-in-class image, video and copy generators that leverage Reddit’s best practices, performance-guided generations that maximize clicks and conversions, and brand safe, product preserving... Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- Deep ML Expertise: Hands-on experience with tree models, neural nets, ranking, and especially LLM/VLM fine-tuning & RLHF/RLPF for ads
- Quant & Experimentation Chops: Comfort with uplift metrics, variance, minimum detectable effects and experimentation setups for generative systems
- Ads / Marketplace Insight: Understanding auction dynamics and advertiser pain points to create tools that drive revenue and retention
- Startup Mindset: Bias to action, comfort with ambiguity, and scrappiness: ACE evolved from a startup acquisition and still moves fast
- Communication Superpowers: Able to distill complex ML trade-offs for executives, product managers, and non-technical stakeholders alike
- Prior work on ad creative tooling: Headline generators, image generators, pre-test models, editing flows for the advertiser

Tags: Ads Product & Engineering

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/reddit-staff-machine-learning-engineer-ads-creative-effectiveness/