Senior/Staff Machine Learning Engineer

At River, we are building the world's most trusted financial institution to empower people to take ownership of their financial lives through Bitcoin. We are looking for a Senior/Staff Machine Learning Engineer to build and own machine learning-driven systems that power automation and decision-making across onboarding, risk, compliance, and operations.

Requirements

• Design, build, and iterate on machine learning models and LLM-based systems that power critical decisions across fraud, compliance, growth, and operations
• Work with messy, real-world data to identify signals, build features, and continuously improve model performance
• Make practical tradeoffs between model performance, interpretability, and operational cost
• Partner closely with product and operations to identify and solve problems that directly impact experience of hundreds of thousands of clients
• Contribute to backend systems and data pipelines that support model training and inference
• Write high-quality, tested code and participate in code reviews
• Take long-term ownership of critical systems as River scales

Benefits

• Significant equity stock options
• Medical, Dental and Vision Benefits
• Unlimited PTO
• Parental Leave separate from regular PTO policy
• 401k