Senior Data Scientist, Agent Intelligence & Optimization

Swap Commerce Limited; Greater London; On-site; GBP 100,000 - 125,000; Full time

Job summary

A pioneering commerce solutions provider in the UK is seeking a Senior Data Scientist to develop the intelligence layer behind their innovative storefront platform. This hands-on position will focus on building and refining AI agents that enhance user experience. The ideal candidate will have over 3 years of experience in data-driven optimization, strong Python skills, and a collaborative mindset, working closely with product and engineering teams. Competitive salaries and startup stock options are offered.

Benefits

Competitive base salary

Stock options in high-growth startup

Competitive PTO with public holidays

Private Health

Pension

Wellness benefits

Breakfast Mondays

Qualifications

• 3+ years experience in data-driven optimization for GenAI products.
• Strong evaluation mindset with frameworks for measurable improvements.
• Experience in voice systems or multimodal workflows.

Responsibilities

• Design and evolve agent system and components.
• Build evaluation harnesses to measure quality and reliability.
• Implement and iterate on memory systems using Python.

Skills

Data-driven optimization

System architecture

Python engineering

TypeScript

E-commerce familiarity

Tools

APIs

Job description

A pioneering commerce solutions provider in the UK is seeking a Senior Data Scientist to develop the intelligence layer behind their innovative storefront platform. This hands-on position will focus on building and refining AI agents that enhance user experience. The ideal candidate will have over 3 years of experience in data-driven optimization, strong Python skills, and a collaborative mindset, working closely with product and engineering teams. Competitive salaries and startup stock options are offered.