Machine Learning Engineer, Growth

Job summary

Responsibilities

We are looking for a Machine Learning Engineer to build the models and decision systems that optimize paid marketing investment for ChatGPT and other OpenAI products. You will develop budget allocation and control algorithms that determine where to invest, how quickly to spend, and how to adjust…

• Build budget allocation algorithms. Decide how to distribute investment across channels, campaigns, and markets using estimates of marginal returns, while accounting for…
• Develop spend pacing and adaptive control systems. Adjust budgets and spending rates as performance changes, balancing responsiveness with stability when feedback is delayed or…
• Model marketing response and user value. Develop forecasts and models of conversion, long-term value, and saturation that help determine where the next dollar can have the…
• Evaluate decisions rigorously. Use simulations, backtesting, and online experiments to test allocation and control policies.
• Own reliable production systems. Build data pipelines, training and inference workflows, and integrations that turn model outputs into budget decisions.

Tech stack

• Python
• SQL