Lead Data Scientist — Remote (USA) | 10% Bonus

Harnham; United States; Remote; USD 120,000 - 170,000; Full time

Job summary

Harnham is partnering with a fast-growing EdTech company undergoing a major AI and data transformation. We are seeking a Lead Data Scientist to drive next-gen personalization models powering learning experiences at scale.

The role requires a PhD, strong ML and statistics expertise, and a track record deploying production ML. You will mentor senior data scientists and collaborate across Product, Engineering, and Data Science teams while advancing generative AI initiatives. Fully remote (USA).

Qualifications

• PhD in Statistics, Mathematics, CS, ML or related field.
• Strong expertise in statistical modelling and machine learning.
• Experience building, deploying, and monitoring production ML models.
• Proven ability to take solutions from research through to implementation.
• Strong Python and SQL skills.
• Experience working in cloud environments.
• Deep understanding of model evaluation and performance measurement.

Responsibilities

• Lead the design, development, deployment, and monitoring of statistical and machine learning models.
• Build and enhance models that power personalised learning experiences.
• Establish best practices for model governance, validation, monitoring, and lifecycle management.
• Partner with Product, Engineering, and Data Science teams to solve complex business and educational challenges.
• Mentor senior data scientists and contribute to AI and ML strategy across the organisation.
• Support future initiatives involving generative AI and LLMs.

Skills

PhD in statistics / ML / related field

ML leadership

Research to production deployment

Mentoring

Model governance

Education

PhD in Statistics / Mathematics / CS / ML

Tools

Python

SQL

Cloud platforms (AWS/GCP/Azure)

Model deployment & monitoring

Generative AI / LLMs

Job description

Harnham is partnering with a fast-growing EdTech company undergoing a major AI and data transformation. We are seeking a Lead Data Scientist to drive next-gen personalization models powering learning experiences at scale.

The role requires a PhD, strong ML and statistics expertise, and a track record deploying production ML. You will mentor senior data scientists and collaborate across Product, Engineering, and Data Science teams while advancing generative AI initiatives. Fully remote (USA).