Fraud Detection Engineer

About the Role We are seeking a highly skilled Fraud Detection Engineer to join our Trust & Safety team. This role is focused on designing, implementing, and optimizing fraud detection rules within a rules engine environment. You will play a critical role in protecting users by translating complex business and fraud logic into scalable, efficient, and maintainable rule-based solutions. This is a hands-on engineering role within a collaborative, fast-paced team where individuals wear multiple hats and contribute across the fraud lifecycle. Key Responsibilities • Design, develop, and deploy fraud detection rules within a rules engine (Drools preferred) • Translate business and fraud requirements into clear, structured, and efficient rule logic • Conduct rule testing, tuning, and validation to ensure optimal performance • Perform data analysis to evaluate rule effectiveness and identify improvements • Write and optimize complex SQL queries to support rule development and testing • Manage code changes and version control using Git, including branching and merging • Support structured test management processes for fraud detection systems • Collaborate cross-functionally with stakeholders to enhance fraud prevention strategies Required Qualifications • 3–5 years of professional engineering experience (non-analyst role) • Strong foundational programming skills with the ability to build logical, rule-based solutions • Advanced proficiency in SQL for querying and analyzing transactional data • Hands-on experience with version control tools such as Git or GitHub • Experience working with rules engines (Drools strongly preferred) • Ability to translate complex business requirements into efficient rule logic • Familiarity with fraud detection, risk management, or related domains • Strong analytical and problem-solving skills Preferred Qualifications • Working knowledge of Java, particularly for writing custom rule logic • Experience in financial services or fraud prevention environments • Familiarity with JVM-based systems and declarative rule writing