Job Summary: The professional will strategically work on fraud prevention, process improvement, and development of analytical solutions to support decision-making. Key Highlights: 1. Strategic role in evolving anti-fraud engines 2. Continuous improvement of performance and efficiency 3. Focus on fraud prevention and analytical solutions Opportunity arising at Koode for a **Senior Fraud and Data Analyst**! We are seeking a senior, analytical, data-oriented professional to work on fraud prevention, continuous process improvement, and development of analytical solutions that support business decision-making. This person will play a strategic role, directly contributing to the evolution of anti-fraud engines and integrations with external partners. **Responsibilities and Duties** **Responsibilities and Duties:** * Integrations with bureaus and external data and anti-fraud partners; * Development and evolution of authentication and fraud prevention workflows; * Documentation of anti-fraud processes, rules, and policies; * Creation of test scripts for new policies and regression tests; * Execution and management of tests for new policies and regression tests; * Creation and monitoring of anti-fraud engine dashboards; * Development of database functions and routines; * Continuous improvement of performance and efficiency of fraud- and data-related microservices. **Requirements and Qualifications** **Requirements and Qualifications:** * Solid experience in fraud analysis and/or data analysis; * Experience with databases and SQL queries; * Analytical ability to interpret fraud data and indicators; * Experience testing rules, policies, or models; * Strong organizational skills, autonomy, and ability to document processes; * Collaborative profile and strong communication skills for interaction with multidisciplinary teams. **Preferred Qualifications:** * Experience with anti-fraud engines; * Knowledge of microservice architecture; * Experience with API-based integrations. **Additional Information** * Employment model: Individual Contractor (PJ); * Work model: Hybrid (1 day per week onsite at Jd. São Luis \- São Paulo); * Free Choice Program (can be used for health, education, technology, and other areas). **YOU DEMAND WE CODE** We love "coding"—hence our name, Koode! We believe innovation through technology is a way of life—and that’s how we move.