Senior Decision Scientist, Partner Excellence

Relay Technologies; Greater London; Hybrid; GBP 100,000 - 140,000; Full time

Job summary

Relay Technologies is seeking a Staff Decision Scientist to join the Partner Excellence team in London. You will own fraud and risk decisions end to end, turning investigations into concrete rules and standards while defining the signals that govern the network.

You will design how Partner Excellence decides, build data applications, monitors and alerts using Claude and agents, and ensure fixes are proven in real operations from the street to the hub.

Qualifications

• Hands-on in SQL and data analysis for fraud, risk or trust.
• Experience turning investigations into rules and interventions.
• Able to ship practical solutions within weeks, not quarters.
• Experience investigating fraud or financial crime in high-volume environments.

Responsibilities

• Decide real vs. noise in Partner Excellence problems.
• Design signals, evidence, and success criteria for network governance.
• Communicate decisions to the squad lead to drive action.
• Build data applications, monitors, and alerts.
• Investigate data vs street signals across operations.
• Prove fixes work and scale to cover every handover.

Skills

SQL

Fraud risk

Data analysis

Investigations

Tools

Claude

AI agents

Job description

Relay Technologies is seeking a Staff Decision Scientist to join the Partner Excellence team in London. You will own fraud and risk decisions end to end, turning investigations into concrete rules and standards while defining the signals that govern the network.

You will design how Partner Excellence decides, build data applications, monitors and alerts using Claude and agents, and ensure fixes are proven in real operations from the street to the hub.