Fraud Prevention Data Specialist

Join to apply for the Fraud Prevention Data Specialist role at 99 . About The Company If you see technology as a way to smooth your path in life, our team does too: Your Path, Our Journey. We believe in technology that connects talented people who embrace diversity to create and share paths we don't even know about (yet). We work to generate value not only for our users but, above all, for the communities we serve and for society as a whole, making every day better for everyone with mobility and delivery services (99) or digital payments (99Pay). Since 2018, we have been part of DiDi Global Inc., the world’s leading mobility technology platform, pioneering innovative solutions in more than 12 countries where DiDi operates. This innovation spans sustainability, safety, artificial intelligence, financial markets, and more. We enjoy challenges at a fast pace with respect, collaboration, and good humor, drawing strength from diverse experiences to learn, adjust, and deliver even better results. About The Team/role Join our dynamic Fraud Prevention Team, the frontline defense protecting our financial ecosystem against evolving transactional threats. As our Data Specialist for Transactional Risk Strategy, you will be the quantitative expert responsible for transforming data into actionable risk strategies. You will operate at the intersection of Risk, Data Science, and Operations, ensuring controls are both effective in mitigating fraud losses (especially in high-volume areas like Pix) and efficient in maintaining a seamless customer experience. This is a high‑impact role where your analysis directly influences millions of transactions daily. In this role, you'll be Monitoring real‑time transactional results focusing on high‑risk areas like Pix In/Out, Cash‑In/Cash‑Out flows, and Pix transactions via credit card. Conducting deep‑dive analysis on transactional data to identify emerging fraud patterns, quantify risk exposure, and proactively recommending policy or model adjustments. Controlling and reporting key performance indicators (KPIs) such as approval rates, chargeback rates, fraud loss rates, and false positives, always seeking to optimize the balance between risk and customer friction. Defining and documenting Standard Operating Procedures (SOPs) for operational teams, providing clear decision criteria for handling blocked transactions or suspicious accounts related to fraud. Leading investigations into significant fraud events (loss events) to determine root causes and ensuring strategy gaps are permanently closed. We're eager to be in touch because you have Proven analytical expertise: Demonstrated success in a quantitative role (e.g., Risk Analyst, Data Analyst, Fraud Specialist) with strong focus on transactional risk and fraud prevention. Strong proficiency in SQL: Expert‑level ability to query and manipulate large, complex datasets for deep‑dive analysis and performance monitoring. Knowledge of payment systems: Familiarity with modern payment methods, particularly instant payment schemes (like Pix), and credit card transactions. Operational alignment: Experience translating complex analytical findings into clear, concise, and implementable operational guidelines (SOPs) for non‑technical teams. Data visualization skills: Proficiency with data visualization tools to communicate performance, trends, and strategic outcomes to stakeholders. Excellent communication: Ability to clearly articulate complex risk trade‑offs and data‑driven recommendations to both technical and executive audiences. You'll love working at DiDi because We create user value and strive to always innovate safe, pleasant, and efficient experiences. We are data‑driven, believing in informed decisions. We collaborate win‑win, communicate with candor, and execute with excellence. Integrity is core: we do the right thing sincerely. Growth is constant: we venture beyond comfort, learn, and grow together. Diversity and inclusion are non‑negotiable values; we practice inclusion, plurality, and respect, empowering everyone, including pregnant people and people with disabilities (PwD). Diversity & Inclusion Diversity is one of our biggest strengths. Our differences are what make us distinct. We respect each other and believe in equal opportunities for all. We work with a Diversity Committee and multiple affinity groups—99Adapta, 99Afro, 99Cores, 99Mulheres, and 99Mamães. This position is open to everyone, including pregnant people and people with disabilities. Seniority level Entry level Employment type Full‑time Job function Management and Manufacturing; Software Development Referrals increase your chances of interviewing at 99 by 2x. #J-18808-Ljbffr