Senior Data Scientist

Hello Heart is seeking a talented and motivated Senior Data Scientist to join our AI team. In this role, you will lead the development of our best-in-class conversational heart health agent.

Requirements

• 5+ years of hands-on experience in developing machine learning and statistical models using Python
• MSc in Computer Science, Electrical Engineering, Statistics, Applied Math or other related fields
• Deep experience with Generative AI, specifically LLMs, Prompt Engineering, RAG, and flow engineering
• Proven experience building agentic and multi-agentic graphs using LangChain or LangGraph
• Experience with monitoring and debugging agentic products in production using tools such as LangFuse or LangSmith
• Strong production experience with the proven ability to transfer research ideas into a scalable, production-grade system
• Experience working with PyTorch / TensorFlow and other standard DL tools
• Expertise in data mining algorithms and statistical modeling techniques such as clustering, classification, regression, decision trees, neural nets, support vector machines, genetic algorithms, and anomaly detection

Benefits

• Positive, diverse, and supportive culture
• Collaborative, creative, and courageous work environment