Senior Machine Learning Engineer

Job Summary

A company is looking for a Senior Machine Learning Engineer, Personalization, Rewards.

Key Responsibilities

• Design, scale, and refine reward signals for recommendations through hands-on machine learning development
• Lead collaborations to integrate and A/B test mid-term signals in recommendation and discovery systems
• Promote best practices of machine learning systems development, testing, and evaluation across the organization

Required Qualifications

• Strong background in machine learning with real-world application experience
• Expertise in Reinforcement Learning (RL), particularly for recommendations
• Knowledge of statistics and optimization, especially in sequential models and transformers
• Experience with generative AI and large language models (LLMs) is a plus
• Ability to prototype models, build pipelines, and launch A/B tests for personalized recommendations