[Remote] Principal Data Scientist

Note: The job is a remote job and is open to candidates in USA. Harnham is a globally scaled organization transitioning into a digital-first, AI-driven platform. They are seeking a Principal Data Scientist to act as the senior technical authority within a data science team, owning core AI capabilities and delivering production-grade AI systems.

Responsibilities

• End-to-end development of AI/ML capabilities, from research and design through to production deployment
• Generative AI solutions for structuring and generating complex, domain-specific content
• Data-driven improvements to customer-facing AI tools, including personalization and adaptive experiences
• Model performance, experimentation, and continuous optimization using real-world data
• Contributions to system architecture and best practices for scalable machine learning systems
• Close collaboration with engineering on MLOps, deployment pipelines, and production readiness

Skills

• PhD in Statistics or a highly quantitative field
• Strong experience with Generative AI, particularly in personalization, content generation, or applied modeling
• Proven ability to work with complex, messy datasets and apply rigorous statistical methods
• High proficiency in Python and modern data science ecosystems
• Demonstrated end-to-end project ownership, with clear examples of taking work from research to production
• Strong communication skills, with the ability to explain complex concepts across technical and non-technical audiences
• Experience with MLOps and deploying models into production environments
• Familiarity with AWS, Databricks, or similar platforms
• Experience working on large-scale, user-facing digital platforms
• Exposure to domains involving structured knowledge, content systems, or learning environments

Company Overview