Responsibilities We're looking for a Software Fraud Engineer to design and build our next-generation fraud prevention platform. You'll develop real-time fraud detection systems, risk engines, and automated decision-making services that protect both our users and business. This is an engineering role focused on building fraud prevention systems — not a manual fraud operations position. Fraud Detection * Design and develop fraud detection systems for payments, wallets, authentication, and user activity * Detect account takeover, payment fraud, bonus abuse, multi-accounting, and other abuse scenarios * Build real-time fraud pipelines and event processing systems * Develop automated fraud prevention mechanisms Risk Engine * Build and improve fraud rules, velocity controls, and dynamic risk scoring * Design decision engines for transaction approval, review, or rejection * Continuously optimize fraud detection accuracy while minimizing false positives * Improve fraud models using behavioral and transactional data Data & Analytics * Analyze transaction patterns, user behavior,



device intelligence, and risk signals * Work with large-scale event streams and transactional datasets * Create internal investigation and monitoring tools for Fraud, Support, and Compliance teams * Investigate emerging fraud patterns and rapidly deploy countermeasures Engineering * Develop scalable backend services supporting fraud prevention * Build APIs and internal tooling for risk evaluation * Optimize latency for real-time fraud decisions * Collaborate closely with Product, Payments, Data, and Platform teams Requirements * 4+ years of software engineering experience * Experience building fraud prevention, risk, payment, banking, fintech, or security systems * Strong backend development experience (Go, Java, Kotlin, Python, or similar) * Experience working with distributed systems and event-driven architectures * Strong SQL skills and experience with large datasets * Understanding of payment flo

📌 Software Fraud Engineer (San Sebastián)
🏢 Gomining
📍 San Sebastián