# Senior Data Scientist, Personalisation

**Company**: Relay
**Location**: London, Greater London
**Work arrangement**: hybrid
**Experience**: senior
**Job type**: full-time
**Category**: Data Science
**Industry**: Technology

**Apply**: https://jobs.ashbyhq.com/relay/1ad71c63-9e1f-4594-a42e-627894b38e05?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/job/senior-data-scientist-personalisation-515268a0-0ac/

## Description

Relay is fundamentally reshaping how goods move in an online era. As a Senior Data Scientist at Relay, you'll set the standard for recommender systems, lead the evolution of Relay's recommender from research to production, design and build recommender systems, partner with Operational Research, and contribute to Relay's research culture.

The team consists of around 160 people, with 45+ advanced degrees across computer science, mathematics, and operations research. The role involves building recommender systems at scale, owning them in production, and leading their direction.

Responsibilities:

- Set the standard for recommender systems at Relay

- Lead the evolution of Relay's recommender from research to production

- Design and build recommender systems that power Relay's key decisions

- Partner with Operational Research to unite recommender models and optimisation

- Contribute to Relay's research culture, and develop our voice in the tech community

Requirements:

- Built recommender systems at scale, owned them in production, and led their direction

- Deep expertise in recommender systems, reinforcement learning, and LLMs

- Experience with experiments and evidence-based decision-making

- Ability to collaborate generously and explain complex ideas simply

Benefits: No specific benefits mentioned.

Who Thrives at Relay?

- Aim with Precision

- Play to Win

- 1% Better Every Day

- All In, All the Time

- People-Powered Greatness

- Grow the Whole Pie

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## Skills

### Required
- recommender systems
- reinforcement learning
- LLMs
- machine learning
- operational research
- causal inference
- location intelligence
- experimentation

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Source: [Apply at jobs.ashbyhq.com](https://jobs.ashbyhq.com/relay/1ad71c63-9e1f-4594-a42e-627894b38e05?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)