Drimva

reddit

Senior Machine Learning Engineer, Ads Forecasting & Scenarios

$217K–$303K

Remote - United States · Remote · Senior · Full-time · Posted Jun 26, 2026

About the job

Build and operate machine-learning forecasting and scenario models that help advertisers compare campaign options and make investment decisions on Reddit.

What you'll do

  • Lead forecasting and scenario-modeling projects from problem formulation through deployment and iteration.
  • Model campaign outcomes across budgets, bids, audiences, objectives, inventory, demand, and predicted response; evaluate forecast accuracy and uncertainty.
  • Operate and improve production models and pipelines, using mature outcomes and experiments to refine predictions.

What they ask for

  • Experience independently designing, shipping, and improving predictive ML systems in advertising or a similarly complex domain.
  • Strong foundations in statistical learning, probability, and optimization, with experience using large-scale behavioral or transactional data.
  • Practical experience in forecasting, response prediction, probabilistic modeling, multitask learning, or transfer learning.
  • Strong programming and software engineering skills, including building and operating production ML pipelines and services.

Nice to have

  • Experience with demand, supply, or inventory forecasting; auction and investment modeling; scenario evaluation; reach and audience estimation; or probabilistic and response modeling.

Pay

$216,700 — $303,400 USD base salary

AI focus

Develop machine-learning models for advertising forecasts, campaign scenarios, response prediction, and investment planning.

Model-written summary · the original posting is authoritative

First seen Oct 30, 2026 · Last verified Nov 5, 2026 (UTC)