Staff Machine Learning Engineer (Modeling), Support
Core
Building intelligent, automated support systems (chatbots, voice interfaces) for Cash App, Square, and other Block products to improve support quality and efficiency.
Role type
Staff Machine Learning Engineer (Modeling)
Builds
Scalable conversational AI systems, real-time recommendation systems, and internal tools for support agents.
Domain
Financial services / Conversational AI / Generative AI
Deliverable
production ML models
Required skills
End-to-end ML delivery, strategic leadership, R&D in LLMs/RAG/fine-tuning, NLP, deep learning, ML infrastructure, language model deployment, dialog systems expertise
Preferred skills
Experience with generative AI in production, Python, PyTorch, TensorFlow, or JAX
Technologies
Python, PyTorch, TensorFlow, JAX
Responsibilities
Lead end-to-end delivery of ML initiatives from design to maintenance, partner with cross-functional leaders on ML roadmaps, guide team direction and identify new AI opportunities, drive R&D for next-gen chatbot architectures, design and deploy ML models for conversational agents, develop ML-powered tools for support agents
Seniority
Staff, hands-on IC with strategic leadership