Data-Driven Card Fraud Rules Architect

Bybit Limited; Abu Dhabi; On-site; AED 350,000 - 550,000; Full time

Job summary

Bybit Limited in Abu Dhabi invites a hands-on Fraud Risk Specialist to own the full fraud control loop—from investigation to rule setup and ongoing monitoring. You will develop data-driven rules, analyze patterns, and optimize systems to lower fraud and interception rates.

A strong background in card payments fraud and global scheme rules is required, with English fluency and multilingual capabilities a plus.

Qualifications

• 3+ years in card fraud strategy or payments risk at an issuer, EMI, neobank, PSP, or card programme manager
• Proven hands-on experience building and tuning fraud rules and strategies, not only working tickets
• Hands-on knowledge of Visa and/or Mastercard dispute rules, reason codes, and chargeback timelines
• Experience with MCC-based risk, high-risk merchants, and non-card payments
• Strong data skills: SQL and Excel/Sheets to pull, slice, and explain fraud trends
• Fluent English; Mandarin or other European languages are a plus

Responsibilities

• Own the fraud control loop from investigation to rule deployment and monitoring
• Turn investigation findings into data-backed fraud rules and strategies
• Monitor rule performance and refine rules to reduce losses
• Own card risk control strategy and manage fraud rate and interception rate
• Investigate typologies: account takeover, BIN attacks, merchant collusion, friendly fraud
• Manage disputes and chargebacks under Visa/Mastercard rules
• Track KPIs: fraud loss rate, chargeback ratio, approval rate, alert handling time

Skills

Card fraud strategy

Payments risk

SQL

Excel/Sheets

English fluency

Mandarin or European languages

Tools

Visa/Mastercard rules

BI tooling Looker/Tableau/Metabase

Python

Job description

Bybit Limited in Abu Dhabi invites a hands-on Fraud Risk Specialist to own the full fraud control loop—from investigation to rule setup and ongoing monitoring. You will develop data-driven rules, analyze patterns, and optimize systems to lower fraud and interception rates.

A strong background in card payments fraud and global scheme rules is required, with English fluency and multilingual capabilities a plus.