Lead Data Scientist

Harnham - Data and Analytics Recruitment; United States; Remote; USD 171,000 - 209,000; Full time

Benefits offered by this job

Fully remote (USA)

Competitive salary

10% annual bonus

Impactful AI/DS projects

Career growth opportunities

Job summary

Harnham is seeking a Lead Data Scientist for a fully remote role in the United States. You will drive the design, deployment, and governance of advanced ML models powering personalised learning at scale.

You will mentor senior data scientists and shape AI strategy while collaborating with product and engineering teams across the organisation.

Qualifications

• PhD in Statistics, Mathematics, Computer Science, 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 challenges.
• Mentor senior data scientists and contribute to AI and ML strategy across the organisation.
• Support future initiatives involving generative AI and LLMs.

Skills

Python

SQL

Cloud computing

Modeling expertise

Mentorship

Education

PhD in Statistics/Math/CS/ML

Tools

Cloud platforms (AWS/GCP/Azure)

ML deployment

Job description

Lead Data Scientist (Remote, USA)

$190,000 + 10% bonus

Harnham are partnering with a fast-growing, mission-driven EdTech company undergoing a major AI and data transformation. With millions of learners using its platform globally, the organisation is investing heavily in machine learning, personalisation, and generative AI to create more effective learning experiences at scale.

We're seeking a Lead Data Scientist to drive the next generation of AI and personalisation models.

What You'll Do

• 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.

What We're Looking For

• PhD in Statistics, Mathematics, Computer Science, Machine Learning, or a related quantitative 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.

Compensation & Benefits

• Base salary: $190,000
• 10% annual bonus
• Fully remote (USA)
• Work on products used by millions of learners
• High-impact role within a growing AI and Data Science organisation

Remote, United States

Applicants must be authorised to work in the US without sponsorship.