# Staff Machine Learning Engineer, Ads Forecasting & Scenarios 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: 2026-10-29
- Apply by: 2026-12-13
- Apply: https://job-boards.greenhouse.io/reddit/jobs/8334138?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/reddit-staff-machine-learning-engineer-ads-forecasting-and-scenarios/

## About the role

Build the machine learning capabilities that help advertisers understand what they could achieve on Reddit and make better investment decisions. You will lead models that estimate how campaign outcomes could change with different budgets, bids, audiences, creative performance, or objectives. The work connects supply and demand forecasting, audience availability, response prediction, and marketplace simulation to help advertisers compare alternatives and recognize valuable opportunities they may be missing. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- A track record of developing and shipping predictive ML systems in advertising, marketplaces, recommendations, search, demand forecasting, or similarly complex domains
- Strong foundations in statistical learning, probability, and optimization, with experience modeling large-scale behavioral or transactional data
- Depth in one or more relevant areas: probabilistic or hierarchical forecasting, calibrated conversion/value prediction, multitask or transfer learning, delayed-feedback or survival modeling, or response modeling
- Strong judgment in evaluation, including temporal validation, calibration, segment-level performance, and the assumptions required to estimate outcomes under changed conditions
- Experience addressing sparse observations, cold start, seasonality, distribution shift, selection bias, or partially observed labels
- Strong programming and software engineering skills, including experience building and operating production ML systems

Tags: Ads Product & Engineering

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/reddit-staff-machine-learning-engineer-ads-forecasting-and-scenarios/