Job Summary: This role involves developing software for fraud prevention and chargeback systems within a creative and collaborative team focused on building robust and scalable products. Key Highlights: 1. Protection for millions of customers every day 2. Development in .Net Core, C#, API, and Cloud (Azure, AWS) 3. A highly qualified, creative, and collaborative team **Company Description** Serasa Experian is Brazil’s first and largest Datatech company. As a leader in risk and opportunity intelligence solutions—focused on credit journeys, authentication, and fraud prevention—it leverages cutting-edge technology, innovation, and top-tier talent to transform risk uncertainty into the best decision, helping individuals achieve their dreams and enabling businesses of all sizes and sectors to thrive. We have 22,000 people operating across 32 countries, and every day we invest in new technologies, talented professionals, and innovation to help all our clients maximize every opportunity. With its corporate headquarters in Dublin, Ireland, Experian is listed on the London Stock Exchange (EXPN) and is a constituent of the FTSE 100. **Job Description** Our software development team **specialized in fraud prevention** tackles a complex and essential challenge: **protecting millions of customers every day**. We employ a powerful combination of automated tools and manual analysis to detect and prevent fraudulent activity swiftly and accurately. We are also **responsible for chargeback and reimbursement systems**, ensuring end customers enjoy a secure, fair, and transparent experience at every stage of their journey. **Every line of code we write directly impacts our users’ trust and security.** **But what truly sets us apart are our people**. Here, you’ll find a **highly qualified, creative, collaborative, and committed team dedicated to building robust, intelligent, and scalable products**. We work together, learn together, and celebrate every achievement as a step toward a simpler, safer, and fairer digital life. **Responsibilities and Duties** **Activities:** * Development in .Net Core, C#, API (RESTful API / Swagger / Postman / SoapUI); * Cloud environments and resources (Azure, AWS); * SQL Server databases (Procedures, Functions, Views), NoSQL; * Development of new solutions delivering a positive user/customer experience; * Participation in highly scalable projects; * Agile, continuously innovative environment; * Monitoring and incident analysis in production environments; * Full-cycle development, including both backend and frontend. **Qualifications** **Join us if you are someone who:** * Can understand problems and proactively seek solutions; * Is curious and motivated to stay updated on emerging market technologies and assess their applicability to our solutions; * Actively collaborates in team settings (we strongly believe in “we” rather than “I”); * Is dynamic and committed to delivering high-quality results; * Possesses strong interpersonal skills, interest, and motivation to communicate effectively across squads and with clients. **Additional Information** **Why this role matters** This role safeguards Experian’s reputation and ensures ethical, compliant operations across Brazil. By combining rigorous regulatory standards with pragmatic solutions and commercial insight, the Head of Compliance enables sustainable growth while protecting the interests of customers, employees, and stakeholders. Serasa Experian is much more than you imagine. Driven by the purpose of creating a better future—expanding opportunities for individuals and businesses—we are over 4,000 people in Brazil working across diverse teams and specialties. Here, knowledge and diversity complement each other, allowing you to work in what you love most. We are committed to building an inclusive culture and an environment where people can balance their careers with personal commitments and interests—prioritizing well-being. We strive to be one of the best and most innovative companies to work for in the country, enabling extraordinary experiences and careers for our people. Our strong “people-first” approach is externally recognized through numerous industry certifications: we’ve been honored by Great Place To Work™ in 24 countries and awarded the international Top Employers certification, recognized as one of the best companies for young professionals, and hold a 4.6 rating on Glassdoor. Each recognition confirms we’re on the right path—creating an ever-better workplace for our talent. Experian Careers \- Creating a better tomorrow together Find out what it’s like to work for Experian by clicking here