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Senior Machine Learning Engineer (Modeling), Bitcoin Risk at Block
BlockSan Francisco, CA, United States of America·10h ago
SeniorFull-timePythonAWSGCPMySQLMachine LearningData ScienceTensorFlowPyTorchCI/CDAI
Salary Range
$132,600 - $179,400 /year
This salary is estimated based on similar roles. The actual salary may vary.
About the Role
We are looking for an experienced Machine Learning Engineer to join Block's Risk Modeling team, focused on Bitcoin products. This role involves detecting and responding to fraudulent Bitcoin activity across Cash App and Square.
Key Responsibilities
- →Partner with product, engineering, data science, policy, and operations to design and productionize ML-driven risk solutions at scale
- →Own end-to-end machine learning systems from problem definition to deployment and iteration
- →Lead technical decision-making within workstreams and influence ML strategy
- →Build tooling and processes to improve the ML development lifecycle
- →Apply modeling techniques and third-party data sources to improve detection and decision-making
- →Investigate emerging fraud and risk patterns to inform product safeguards
- →Collaborate with ML platform and engineering teams to ensure models operate reliably
- →Mentor teammates and contribute to an inclusive engineering culture
Requirements
- ✓7+ years of industry experience in machine learning or related fields
- ✓Bachelor’s degree in a quantitative field; Master’s or PhD preferred
- ✓Experience independently designing, deploying, and maintaining ML solutions in production
- ✓Experience influencing technical direction and collaborating with cross-functional partners
- ✓Strong communication skills, sound judgment, and an ownership mindset
- ✓Curiosity and alignment with Block’s mission of economic empowerment
