Rokt, valued at $3.5 billion USD, is seeking a Principal Machine Learning Engineer to join their engineering team focused on relevancy. This role offers a comprehensive compensation package between $515,000 - $750,000, including base salary, equity, and benefits. The position involves working with cutting-edge AI and ML technology that powers over 6.5 billion transactions across 15 countries. You'll be responsible for designing and implementing sophisticated machine learning solutions for smart bidding, budget pacing, and lookalike modeling. The role requires deep expertise in both machine learning and software engineering, with opportunities to work on large-scale systems handling millions of daily transactions. You'll collaborate with cross-functional teams, contribute to the technical architecture, and help drive innovation in ecommerce technology. The company offers a strong culture of transparency, clear career progression, and a commitment to diversity and inclusion. Working in a hybrid environment, you'll have the flexibility to balance office time with remote work, while enjoying comprehensive benefits including equity, health insurance, and various lifestyle perks.