Senior Machine Learning Engineer (Modeling), Bitcoin Risk
Block(8 hours ago)
About this role
Senior Machine Learning Engineer on Block’s Risk Modeling team focused on Bitcoin products. The role centers on leading the machine learning effort for detecting fraudulent and illicit Bitcoin activity across Cash App and Square and shaping model strategy across Block’s Bitcoin ecosystem. The position operates with high autonomy and close collaboration across Product, Engineering, and Compliance.
Required Skills
- Machine Learning
- Risk Modeling
- Python
- PyTorch
- TensorFlow
- XGBoost
- Scikit-Learn
- PySpark
- MLflow
- Airflow
+5 more
Qualifications
- Bachelor's Degree in Quantitative Field
- Master's Degree (Preferred)
- PhD (Preferred)
About Block
block.xyzBlock, Inc. builds technology to increase access to the global economy by connecting businesses and consumers across commerce, payments, and financial services. Its ecosystem includes Square (merchant point‑of‑sale, payments, hardware and business tools), Cash App (peer‑to‑peer payments, banking, investing and crypto), Afterpay (buy‑now‑pay‑later), TIDAL (music streaming), Bitkey (blockchain/security products) and Proto (R&D and product incubation). Block offers payments processing, merchant services, lending, payroll, subscriptions, developer APIs and integrated hardware aimed at simplifying commerce for small businesses and individuals. The company emphasizes developer-friendly tools and consumer apps to expand financial inclusion globally.
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