Senior Fraud Prevention Analyst

Banco Daycoval

Investigate complex financial and digital fraud cases as a Senior Fraud Prevention Analyst at Banco Daycoval. Collaborate across departments to strengthen fraud controls and support business operations.

Posted 5/13/2026full-timeSão Paulo • 🇧🇷 BrazilSeniorWebsite

Tech Stack

Tools & technologies

SQL

About the role

Key responsibilities & impact

Conduct complex investigations of financial and digital fraud involving accounts, cards, onboarding, payment methods and electronic channels, identifying modus operandi, behavioral patterns, transactional links and vulnerabilities exploited in digital journeys.
Perform investigative analyses by correlating transaction logs, authentication events, device fingerprinting, biometrics, geolocation and digital behavior, consolidating technical evidence and producing executive reports with fraud diagnosis, identified impacts and mitigation recommendations.
Investigate fraud related to digital account opening, identity theft, mule/front accounts, account takeover, phishing, social engineering and misuse of digital channels, assessing weaknesses in KYC processes, multi-factor authentication, facial biometrics and document verification.
Analyze transactional fraud related to cards, chargebacks, digital payments, wallets, e-commerce, internet banking, mobile apps and Open Finance/Open Banking, supporting the evolution of antifraud rules, decision engines and monitoring mechanisms.
Develop exploratory analyses on transactional and operational datasets to identify suspicious patterns, risk indicators, behavioral anomalies and fraud trends, contributing to continuous improvement of prevention and detection processes.
Correlate information from different data sources to build fraud intelligence and support strategic decision-making aimed at mitigating financial losses and strengthening internal controls.
Work collaboratively with Fraud Prevention, Information Security, Technology, Compliance, Digital Products, Operations and Operational Risk teams, supporting critical investigations, strategic initiatives and the evolution of the institution's Fraud Intelligence structure.
Participate in continuous improvement of authentication flows, transaction monitoring and security controls, contributing to increased operational efficiency, risk reduction and strengthened security of digital operations.

Requirements

What you’ll need

Bachelor's degree in Computer Science, Information Systems, Engineering, Information Security, Information Technology, Statistics, Mathematics, Business Administration, Economics or related fields.
Knowledge of data analysis, manipulation of transactional datasets and development of analytical queries using SQL or data analysis tools.
Proven hands-on and in-depth practical experience within the scope of the activities described.

Benefits

Comp & perks

Musicantes: provides free music and singing lessons to employees;
Brincar de Viver: offers theater workshops and storytelling activities for those who want to help others through this art;
Quality of Life Program: offers free projects and events focused on health and well-being, such as participation in road races, musicals, theater productions and museum exhibitions.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

data analysisSQLtransactional datasetsfraud investigationbiometricsdevice fingerprintinggeolocation analysisdigital behavior analysisKYC processesmulti-factor authentication

Soft Skills

collaborationstrategic decision-makinganalytical thinkingproblem-solvingcommunication