Senior Decision Scientist, Partner Excellence - Impact

Relay Technologies; Greater London; Hybrid; GBP 90,000 - 140,000; Full time

Job summary

Relay Technologies in London is seeking impact-driven data and risk professionals to own fraud, risk and trust decisions end to end. You will turn investigations into rules, set standards, and drive measurable improvements in how parcels are secured against losses.

You’ll work hands-on with SQL and Claude AI to build data applications, monitors and alerts, and you’ll decide which signals count, and where evidence should live.

Qualifications

• Owned fraud, risk or trust decisions end to end and owned the outcomes.
• Experience running investigations in fraud, risk, or financial crime.
• Able to translate investigations into actionable rules and standards.
• Hands-on, data-driven with a bias for fast shipping.

Responsibilities

• Define and decide which signals count and which checks become rules.
• Design how Partner Excellence decisions are made and measured.
• Communicate changes to the squad lead and drive implementation.
• Build data applications, monitors and alerts to ship tools.
• Identify data gaps and ensure missing data is built to validate fixes.
• Prove handovers across the network with data-backed results.

Skills

SQL

Fraud Risk

End-to-end Decisions

Investigations

Data Analysis

Rule Writing

Tools

Claude AI

Job description

Relay Technologies in London is seeking impact-driven data and risk professionals to own fraud, risk and trust decisions end to end. You will turn investigations into rules, set standards, and drive measurable improvements in how parcels are secured against losses.

You’ll work hands-on with SQL and Claude AI to build data applications, monitors and alerts, and you’ll decide which signals count, and where evidence should live.