Fraud Risk Analyst — FinTech (UK)

Zeller; Greater London; On-site; GBP 45,000 - 70,000; Full time

Benefits offered by this job

Equity opportunity

Competitive salary

Learning & development

Parental leave

Scale-up environment

Job summary

Zeller is seeking a Fraud Risk Analyst to join our growing Risk and Compliance team in the United Kingdom. You will detect, investigate, and mitigate fraud across our platform, using sharp analytics to identify patterns and implement new controls to stay one step ahead of fraudsters.

This role requires 2+ years in merchant acquiring, payments, or financial crime within a UK-regulated environment, plus knowledge of card schemes, PCI DSS, and FPS.

Qualifications

• 2+ years' experience in merchant acquiring, payments, transaction monitoring, fraud prevention, merchant risk, or financial crime operations within a UK regulated financial services environment
• Hands-on experience in merchant acquiring or card payments, including working with card schemes, acquiring partners, payment processors, or gateways, with a solid understanding of merchant onboarding, underwriting, and transaction lifecycles
• Experience monitoring and investigating transaction activity, identifying fraud trends, anomalies, and emerging fraud typologies within payments or merchant acquiring environments
• Knowledge of fraud typologies, transaction monitoring controls, chargeback management, merchant risk, and fraud mitigation strategies
• Understanding of card payment processing, including authorisation, clearing, settlement, disputes, chargebacks, refunds, and UK payment systems such as Faster Payments (FPS)
• Experience supporting merchant onboarding and ongoing merchant risk monitoring activities
• Working knowledge of card scheme rules, PCI DSS requirements, AML/CTF obligations, and payment industry standards
• Strong analytical, problem-solving, and investigation skills, with the ability to assess risk and resolve complex operational, fraud, or payment-related issues
• Strong communication and stakeholder management skills, with the ability to collaborate effectively across teams
• Ability to work independently, manage competing priorities, and exercise sound judgement with minimal supervision

Responsibilities

• Support fraud monitoring and risk controls across merchant acquiring products, including card acceptance, authorisation, clearing, and settlement
• Contribute fraud and risk input across the end-to-end acquiring lifecycle, from merchant onboarding and underwriting through to live transaction monitoring and settlement
• Work with card schemes (Visa/Mastercard), acquiring partners, processors, and gateways to manage operations and resolve acquiring-related issues
• Identify and monitor fraud typologies relevant to merchant acquiring (e.g. card-not-present fraud, friendly fraud, chargeback abuse), supporting mitigation strategies
• Support merchant KYB/KYC and underwriting, working closely with Risk and Compliance to meet scheme rules and UK regulatory requirements
• Monitor and help manage disputes, chargebacks, refunds, and scheme queries, ensuring thresholds and SLAs are met
• Demonstrate an understanding of payments, including FPS and UK domestic (UK-to-UK) payment flows, and PCI DSS requirements
• Operate in line with relevant regulatory and scheme guidelines, including card scheme rules, AML/CTF requirements, and industry standards

Skills

Fraud risk analysis

Merchant acquiring

Payments knowledge

Transaction monitoring

Regulatory compliance

Analytical skills

Stakeholder management

Independent work

Job description

Zeller is seeking a Fraud Risk Analyst to join our growing Risk and Compliance team in the United Kingdom. You will detect, investigate, and mitigate fraud across our platform, using sharp analytics to identify patterns and implement new controls to stay one step ahead of fraudsters.

This role requires 2+ years in merchant acquiring, payments, or financial crime within a UK-regulated environment, plus knowledge of card schemes, PCI DSS, and FPS.