Fraud Rules Architect

NextGen Ventures; Monterrey; On-site; MXN 420,000 - 640,000; Full time

Job summary

NextGen Ventures, a global B2C iGaming holding company, seeks a detail-oriented Fraud Expert in Monterrey, MX. You will own and optimize the platform’s fraud prevention rule framework, create and tune rules, thresholds, and block/allow lists, and work with product, compliance, and engineering to strengthen security.

In this role you will monitor trends, prepare monthly fraud reports for senior management, and shape fraud prevention strategy to protect customers and the business while enabling

Qualifications

• 3–5 years’ experience in transaction monitoring, fraud prevention, or risk operations.
• 1–3 years’ experience with fraud rule management systems (e.g., SEON, Lexis Nexis, Stripe).
• Experience conducting manual reviews of flagged or suspicious transactions.
• Strong analytical and communication skills; time-sensitive decision making.

Responsibilities

• Own and manage the fraud prevention rule framework, including creating, modifying, testing, and maintaining rules, thresholds, and block/allow lists.
• Monitor fraud performance and trends, proactively identifying emerging fraud patterns and attack vectors.
• Act as an escalation point for complex or high-risk cases, providing expert judgment and guidance to the team.
• Make risk-based decisions on transactions, accounts, and cases in line with company policies and risk appetite.
• Prepare and deliver regular fraud reports for senior management, highlighting trends, risks, and performance metrics.
• Provide input into fraud prevention strategy and recommend changes as patterns evolve.
• Conduct manual reviews of flagged or suspicious transactions when required.
• Collaborate with internal stakeholders to support fraud mitigation initiatives.
• Evaluate the effectiveness of controls and suggest enhancements to improve detection while reducing false positives.
• Support knowledge sharing and mentoring within the team.

Skills

Transaction monitoring

Fraud prevention

Risk operations

Analytical thinking

Communication skills

Time management

Collaboration

Decision making

Tools

SEON

Lexis Nexis

Stripe

Job description

NextGen Ventures, a global B2C iGaming holding company, seeks a detail-oriented Fraud Expert in Monterrey, MX. You will own and optimize the platform’s fraud prevention rule framework, create and tune rules, thresholds, and block/allow lists, and work with product, compliance, and engineering to strengthen security.

In this role you will monitor trends, prepare monthly fraud reports for senior management, and shape fraud prevention strategy to protect customers and the business while enabling