Senior Applied Scientist: Marketplace Optimization (Remote)

Prolific; Greater London; Remote; GBP 90,000 - 150,000; Full time

Job summary

Prolific seeks a Senior Applied Scientist to lead optimization and recommender-system initiatives on the Supply Data Science team. You will shape problems, design scalable solutions, and collaborate with product and engineering to deploy models that improve participant matching and marketplace quality.

The role blends data science, ML, and statistics to turn promising approaches into production-ready solutions.

Qualifications

• Strong background in mathematical optimization and recommender systems.
• 5+ years applying ML, AI research, optimization, or recommender systems to production-scale problems.
• Ability to turn loosely defined problems into clear hypotheses, experiments, and metrics.
• Experience collaborating with product and engineering teams.
• Comfort working on ambiguous problems and taking initiative.

Skills

Optimization & recommender systems

Production ML

Hypothesis-driven experimentation

Experimentation & metrics

Marketplace dynamics

Education

MSc or PhD in CS/Math/Stats/ Economics or related

Tools

Python

Job description

Prolific seeks a Senior Applied Scientist to lead optimization and recommender-system initiatives on the Supply Data Science team. You will shape problems, design scalable solutions, and collaborate with product and engineering to deploy models that improve participant matching and marketplace quality.

The role blends data science, ML, and statistics to turn promising approaches into production-ready solutions.