Antifraud Analyst

At NOVACARD , we’re redefining how people use credit. We are the first interest-free and no-annual-fee credit card in Mexico , designed to simplify personal finances and give users complete control - all from a mobile app. With NOVACARD, users can access up to $200,000 MXN in credit , only pay when they use it, and manage everything digitally in under 5 minutes. Our mission is to empower people to make smarter financial decisions by offering flexibility, transparency, and the freedom they need to reach their goals. Simple finances, big goals.

About the Role: We’re looking for an Antifraud Analyst to join the NOVACARD Risk Tech team and help strengthen our fraud detection and prevention processes. In this role, you will investigate suspicious activities, analyze fraud patterns, and support the development and improvement of antifraud rules. You will work with data to identify anomalies, monitor partner and transaction activity, and collaborate with risk, data, and operations teams to improve fraud detection and monitoring efficiency.

Key Responsibilities:

Conduct deep-dive investigations of suspicious cases, including detailed analysis of fraud incidents that bypass existing detection systems, identifying links between fraudulent profiles and uncovering new fraud patterns and schemes

Perform initial authorization and verification of POS partners, as well as ongoing monitoring of merchant and agent activity to identify signs of collusion, fraud farms, and manipulation at points of sale

Develop, implement, and continuously optimize antifraud rules and detection logic used in application approval processes and transactional monitoring

Evaluate and analyze data from external sources (credit bureaus, vendors, and third-party services) and integrate them into fraud detection and prevention processes

Prepare regular antifraud reports covering fraud levels, rule effectiveness, and overall portfolio quality

Support antifraud analytics by working with data marts and datasets in the company’s Data Warehouse (DWH)

Perform quality assurance (QA) of antifraud-related processes handled by first-line and second-line teams

Process and investigate antifraud-related requests coming from customer support and verification teams, providing analysis and recommendations

Requirements

Requirements:

Languages: Russian (native or fluent) and English B1+ (Intermediate) or higher

Work experience: 1–3 years of experience as an antifraud analyst, fraud investigator, or risk underwriter in fintech or banking

Education: Higher education (incomplete higher education is acceptable if the candidate has relevant professional experience)

Analytical thinking: Ability to identify patterns and anomalies within large datasets

Ownership and independence: Ability to drive tasks end-to-end, from detecting anomalies to implementing fraud pr