Job Summary: An experienced professional in investigating and resolving complex issues to lead digital security, creating and enhancing anti-fraud and anti-money laundering rules. Key Highlights: 1. Leadership and innovation in digital security for millions of transactions. 2. Creation and enhancement of anti-fraud and anti-money laundering rules. 3. Strategic collaboration to drive innovations and integrations. ***At Topaz, technology unites us and evolution connects us!*** Within our organization, we are fully committed to contributing to financial solutions that make the industry safe, accessible, and dynamic. We aim to reach different parts of the world with our comprehensive ecosystem of technological solutions. Therefore, we invite you to join this team! Moreover, we offer excellent benefits for you! We know that together we will achieve success, so apply now and become part of this great team. **What is Topaz OFD?** We are a reference in fraud prevention and information security. Our mission is to elevate our clients’ security maturity level, making applications more protected against digital crimes. We act directly to transform the security landscape in Brazil and beyond. If you are experienced in investigating and resolving complex problems, this is your place! We use creativity and advanced technical knowledge to architect solutions that truly shield our clients against risks, delivering positive societal impact by preventing crime financing. **Responsibilities and Duties** ***Your Day-to-Day at Topaz:*** Here, routine means leadership and innovation: you will be a reference within a multidisciplinary team responsible for the digital security of millions of transactions, managing high-impact strategies and decisions. We monitor, in real time, suspicious transactions and threats identified by our products (Desktop, Mobile, Browser, Transactional, AML), analyzing vast amounts of data to detect atypical patterns, frauds, and unusual activities—with a focus on optimization and scalability. **Activities:** * Serve as a reference in creating, reviewing, and enhancing advanced business rules for our anti-fraud and anti-money laundering solutions, also influencing the product roadmap. * Conduct investigations of complex incidents, log analysis, and alert automation, with emphasis on high-criticality scenarios. * Collaborate strategically with Data Science, Development, Product, and Customer Experience teams to drive cross-functional innovations and integrations. * Contribute to the design and evolution of architecture, anticipating threats, scams, emerging frauds, and implementing global best practices. **Our Tech Stack and Technical Challenges:** We develop, evolve, and support our own cutting-edge solutions: * Proprietary SDK (Android/iOS); * Endpoint agent (MacOS, Windows, Linux); * Web agent (JavaScript); * Risk engines powered by artificial intelligence and advanced analytics. You will face challenges such as optimizing analyses for scalability, integrating LLMs (Large Language Models) into anti-fraud workflows, and adopting emerging technologies. **Requirements and Qualifications** ***What do you need to know to join Topaz?*** * Monitor and analyze threats and frauds in real time, with strategic vision for large-scale risk mitigation; * Design, configure, tune, and test anti-fraud and AML rules—from development cycle through production—with focus on efficiency and compliance; * Conduct investigations of suspicious events, perform advanced analyses, correlate data, and deliver executive reports to internal stakeholders and clients; * Participate in the continuous evolution of solutions, proposing improvements based on risks, market trends, and AI innovations; * Prepare strategic investigative reports and correlate data to enable agile executive-level decision-making; * Evolve and apply expertise in LLM and AI agent tools, leading implementations for automation, efficiency, and new forms of digital anti-fraud analysis and investigation. **Specific Knowledge:** * Bachelor’s degree completed in Computer Science, Information Security, Information Technology, or related fields; postgraduate studies or advanced certifications (e.g., CISSP, CEH, GIAC) are a plus; * Proven experience in fraud prevention or related areas, including involvement in complex projects; * Coding ability in one or more programming languages (preferably Python, but also Java, JavaScript, C++, C#), with emphasis on process automation; * Solid experience in SQL and NoSQL database queries for data correlation; * Expertise in data analysis (descriptive, predictive, prescriptive, diagnostic), applied to real-world fraud prevention scenarios; * Solid knowledge of TCP/IP networks, network services (e.g., HTTP, DNS, SMTP), operating systems (Windows, Android, iOS), and web and mobile applications; * Mastery of major cyberattacks related to fraud (phishing, man-in-the-middle, malware, brute force, session hijacking, etc.), with practical case experience in defense. **Not mandatory but a plus:** * Experience with Threat Intelligence, Threat Hunting, or Digital Forensics teams; * Proficiency with libraries such as Pandas or similar for data analysis; * In-depth knowledge of data privacy laws and regulations (LGPD, GDPR, etc.); * Practical experience with artificial intelligence, Language Models (LLM), and AI agents, including implementation in production environments. **Additional Information** **Keep in mind these benefits that will enhance your experience at Topaz!** * **Health and Well-being:** Because we care about our teams, we offer various health plans focused on promoting well-being across the organization. * **Personal and Professional Development:** We are constantly evolving. Thus, we provide environments, programs, and policies that guarantee the space and opportunities needed for your career path. * **Flexibility and Time Off:** Here you’ll find the time needed to recharge, plus the opportunity to enjoy a day off on your birthday. Hybrid work model. * **Partnerships:** We offer various partnerships and discounts. \#VemSerTopaz At **Topaz**, we go beyond technological creation: **we transform how the world interacts with money.** Our secret? **Topaz One—the first global full-banking platform, designed to accelerate the evolution of financial institutions and propel them into new frontiers.** #### **We are a vibrant community of over 2,000 Topazers**, deeply passionate about technology, innovation, and building disruptive solutions. Our diversity of cultures and experiences enriches our perspective and drives us to achieve extraordinary results. #### **If you seek a place where your talent makes real impact, where you can grow professionally and join a global community shaping history,** **join Topaz!** #### **Join our team and let’s build the future of finance.**