# Senior Decision Scientist, Marketplace

**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/ebe00840-6e3a-4bfa-8cb3-779ee92a836e?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/job/senior-decision-scientist-marketplace-19591215-51f/

## Description

Relay is fundamentally reshaping how goods move in an online era. Backed by Europe’s largest-ever logistics Series A ($35M) led by deep-tech investors Plural, and a recently closed Series B ($95M), Relay is scaling faster than 99% of venture-backed startups.

As a Senior Decision Scientist, Marketplace at Relay, you'll decide which Marketplace problems are real and which only look real, before anyone builds a fix. You'll design how Marketplace decides: which signals count, and what good looks like for booking, matching and pay. You'll tell the squad lead what to change and what to stop, and get a decision.

Your responsibilities will include:

- Deciding which Marketplace problems to prioritize

- Designing the decision-making process for Marketplace

- Building data applications, monitors, and alerts

- Analyzing data to inform decisions

- Collaborating with the squad lead to implement changes

Requirements:

- Experience owning decisions in a two-sided marketplace or gig platform

- Ability to analyze data and inform decisions

- Fluency in SQL and ability to build analysis apps

- Entrepreneurial drive and strong technical fundamentals

Benefits:

- Opportunity to work on complex problems in a rapidly growing company

- Collaborative and intellectually vibrant culture

- Chance to make a significant impact on the business

Who Thrives at Relay?

- People who aim with precision and measure their impact meticulously

- Those who play to win and tackle hard problems

- Individuals who believe in making small, consistent improvements

- People who show up and step up, taking ownership from start to finish

For more fresh new jobs, check out [yubhub.co](https://yubhub.co/).

## Skills

### Required
- SQL
- data analysis
- decision-making
- problem-solving

### Nice to have
- AI
- Claude
- agents

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Source: [Apply at jobs.ashbyhq.com](https://jobs.ashbyhq.com/relay/ebe00840-6e3a-4bfa-8cb3-779ee92a836e?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)