Fraud Prevention Specialist (Fintech)

TL;DR

Fraud Prevention Specialist (Fintech): Analyzing fraud signals and building real-time detection and containment controls for a cross-border payments ecosystem with an accent on SQL analysis, fraud-rule design, and loss prevention. Focus on identifying coordinated attacks, tuning production rules, balancing fraud capture against false positives, and translating complex findings into decisions for technical and business stakeholders.

Location: Buenos Aires, with a remote setup currently transitioning to a hybrid, hub-centric model across Buenos Aires, Mexico City, Guadalajara, Bogotá, Rio de Janeiro, and São Paulo.

Company

hirify.global is a Series B fintech building an AI-powered WhatsApp remittance product for Latin immigrants in the United States, using AI, blockchain, and stablecoins for cross-border payments.

What you will do

• Investigate emerging fraud patterns, coordinated attacks, fraud rings, mule networks, and account-takeover behavior using complex SQL analysis.
• Monitor chargeback, approval, false-positive, and loss metrics to identify anomalies and reduce time to detection.
• Design, validate, deploy, and tune real-time fraud detection and containment rules during active attacks.
• Document rule logic, expected impact, performance, and tradeoffs to keep prevention decisions auditable and reversible.
• Partner with Fraud Strategy, Data, ML, Product, Operations, and Investigations teams to address coverage gaps and improve workflows.
• Present clear, actionable recommendations to technical and non-technical stakeholders, including leadership.

Requirements

• High proficiency in SQL and the ability to navigate complex, unfamiliar schemas under time pressure.
• Experience identifying fraud patterns, preferably in fintech, payments, or remittances.
• Practical knowledge of fraud controls, rule logic, thresholds, precision versus recall, and false-positive costs.
• Experience owning or tuning production fraud rules in a real-time decisioning environment.
• Familiarity with risk platforms, vendor signals, chargebacks, disputes, ML-assisted fraud scoring, and model or rule governance.
• Advanced or fluent Spanish and English are required.

Nice to have

• Knowledge of AI tools that improve fraud investigation work.
• Experience working with organized fraud and systemic risk gaps.

Culture & Benefits

• Remote work environment with a planned transition toward a hybrid, hub-centric model.
• Competitive salary, initial stock options grant, and annual performance bonus.
• Health, dental, and vision plans.
• Unlimited paid time off and paid parental leave.
• Continuous learning and growth opportunities in an entrepreneurial environment.