Software Development Specialist I (Backend Security & Fraud Prevention)

#### Company Description Experian is a global data and technology company that drives opportunities for people and businesses around the world. We operate in several markets, such as financial services, healthcare, automotive, agribusiness, insurance, among others. Experian invests in people and in new advanced technologies to unlock the power of data. We have an amazing team of 25,200 employees in 32 countries. Our uniqueness is valuing yours. Experian's culture, centered on people, inclusive and driven by purpose, is recognized by several awards — including World's Best Workplaces™ 2025 (Fortune Global Top 25) and Great Place To Work™ in 26 countries, among others. Check out Experian Life on social media or explore our careers site to understand why. Experian also takes pride in being an employer that promotes equal opportunity and affirmative action. #### Job Description We are looking for a Software Development Specialist I to work on the development of the backend services of the unified SDK, responsible for processing device integrity signals, environment compromise and channel security signals, transforming collected data into reliable decisions for fraud validation and prevention. The professional will play a key role in building resilient, scalable and observable services, contributing to the continuous evolution of authentication platforms, digital identity and protection against threats. **Main responsibilities** - Develop and evolve high-performance microservices using Go. - Implement services responsible for processing and analyzing device trust signals. - Design scalable solutions with a focus on availability, observability and resilience. - Implement backend security mechanisms, including encryption, authentication and channel protection. - Work on identifying and mitigating new fraud vectors and digital attacks. - Contribute to the evolution of distributed architecture and engineering best practices. - Take part in the release cycle, support and monitoring of services in production. - Work together with Security, Architecture and Product teams to ensure the reliability of solutions. **Technical requirements** - Experience with backend development using Go (Golang). - Knowledge of microservices architecture and distributed systems. - Experience with high-availability, scalability and performance environments. - Knowledge of observability, monitoring and troubleshooting of applications. - Experience with backend application security, authentication, authorization and encryption. - Knowledge of CI/CD and modern continuous delivery practices. - Familiarity with security signal processing, device fingerprinting or digital fraud prevention. **Nice to have** - Experience with Identity & Access Management (IAM) platforms. - Knowledge of fraud detection, digital fraud and risk analysis. - Experience with Kubernetes, containers and cloud environments. - Experience with anti-fraud solutions, biometrics or digital identity. - Knowledge of event-driven architectures and messaging. #### Qualifications **Education** - Completed higher education in Computer Science, Computer Engineering, Information Systems, Software Engineering or related fields. - Specializations or certifications in Software Architecture, Information Security or Cloud Computing will be considered a plus. **Behavioral competencies** - Analytical skills and systems thinking. - Strong focus on quality, security and performance. - Proactivity in solving complex problems. - Collaboration and influence in multidisciplinary environments. - Ownership mindset and focus on delivering business value. #### Additional Information Serasa Experian is much more than you imagine. With the purpose of creating a better future by expanding opportunities for people and businesses, in Brazil we are more than 4,000 people working in various teams and specialties. Here, every skill and diversity complements each other and you can work on what you love most. We are committed to building an inclusive culture and an environment where people can balance their career with their commitments and personal interests, valuing well-being. We are dedicated to being one of the best and most innovative companies to work for in the country, enabling amazing experiences and careers for our people. Our strong people-first approach is recognized externally through several market certifications: we were awarded by Great Place To Work™ in 24 countries and by the international Top Employers certification, and we are recognized as one of the best companies for young professionals and have a 4.6 rating on Glassdoor. Each recognition tells us we are on the right path, providing an increasingly better work environment for our talent. Experian Careers - Creating a better tomorrow together [Find out what it's like to work for Experian by clicking here](https://www.experian.com/careers/)