Jobs in Taiwan

Risk Analyst (SQL), Card Payment Fraud

Binance

About BinanceBinance is a leading global blockchain ecosystem behind the world's largest cryptocurrency exchange by trading volume and registered users. We are trusted by 300+ million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products.About the RoleWe are seeking a Fraud Risk Analyst, Card Payment to protect our card issuing business by identifying, analyzing, and intercepting fraudulent card transactions in real time. You will sit on the issuer side of the payments ecosystem, working at the intersection of transaction monitoring, rule strategy, and fraud investigation to minimize losses while preserving a smooth experience for legitimate cardholders.Key ResponsibilitiesReal-time transaction monitoring: Monitor card authorization flows and flag suspicious activity across debit/credit card portfolios.Fraud rule strategy: Design, test, tune, and deploy fraud detection rules and risk scoring strategies at the authorization (auth) decision point — balancing fraud capture rate against false-positive / decline rates.Investigation & case management: Investigate suspected fraud cases (account takeover, counterfeit/cloned cards, stolen card, CNP fraud, first-party/friendly fraud), determine root cause, and take action (block, step-up, decline).Loss & performance analysis: Track fraud losses, chargeback rates, approval rates, and key risk KPIs; produce dashboards and reporting for management.Chargeback & dispute support: Work with dispute/chargeback teams on fraud-related chargebacks and network (Visa/Mastercard) reason codes.Cross-functional collaboration: Partner with product, engineering, data science, and compliance to improve fraud models, tooling, and controls.Emerging threat detection: Stay ahead of evolving fraud typologies, BIN attacks, enumeration/testing attacks, and organized fraud rings.Requirements3+ years in card payment fraud risk, ideally on the issuer or card processor / issuer-processor side.Solid understanding of the card payment lifecycle: authorization, clearing, settlement; the roles of issuer, acquirer, card network (Visa/Mastercard), and processor.Familiarity with authorization message flows (ISO 8583), auth/decline codes, AVS, CVV, and 3-D Secure (3DS) / SCA.Working knowledge of fraud typologies: card-not-present (CNP) fraud, account takeover (ATO), counterfeit/cloned cards, lost/stolen, BIN attacks, card testing/enumeration.Experience with fraud detection / rules engines (e.g., Falcon, SAS, Feedzai, Featurespace, or in-house platforms).Strong data analysis skills: SQL required; ability to interrogate transaction data and quantify fraud/risk trade-offs.Understanding of chargeback lifecycle and network dispute reason codes.Nice to HaveExperience tuning real-time authorization rules and measuring fraud vs. false-positive trade-offs.Exposure to machine learning fraud models and feature engineering for risk scoring.Crypto card experience: familiarity with crypto-linked cards and crypto-to-fiat settlement at auth.Knowledge of PCI-DSS and relevant regulatory/compliance requirements.Industry certifications (e.g., CFE — Certified Fraud Examiner).Why BinanceShape the future with the world's leading blockchain ecosystemCollaborate with world-class talent in a user-centric global organization with a flat structureTackle unique, fast-paced projects with autonomy in an innovative environment