Card Fraud Specialist

Nymbus (https://nymbus.com/) isn’t just a leader in fintech; we’re a community of innovators passionate about reimagining banking. Our award-winning modern core platform and cloud-based technology serve as the backbone for financial institutions eager to modernize and excel. We operate with an AI-first mindset across our business, continuously improving how we work and the value we deliver to our clients. Our culture is grounded in collaboration, accountability, and a strong commitment to execution. WORK ENVIRONMENT: Nymbus is a remote-first company. Occasional travel may be required for client engagements, team planning sessions, or company events. Working hours primarily align with the Eastern Time Zone; candidates located in the Eastern or Central time zones are preferred.  POSITION SUMMARY: The Card Fraud Specialist serves as a critical line of defense in protecting the financial assets and reputation of Nymbus clients. This role is well-suited for a detail-oriented, deadline-driven professional who takes pride in managing complex investigations with accuracy and accountability from open to close. In this position, you will monitor real-time transaction data and alerts across platforms including Lithic, Fiserv EFT, VisaDPS, Velera, and TransFund, identifying suspicious patterns across a broad spectrum of fraud types, including identity fraud, first-party fraud, account takeover, card-not-present (CNP) fraud, and synthetic identity schemes. You'll conduct thorough investigations, accurately classify each case, and make sound, well-documented dispute decisions based on investigation findings and applicable card network rules. A core component of this role is knowing when and where to escalate. The right candidate will assess case facts, identify fraud types, including distinguishing true fraud from first-party misuse and route cases to the appropriate internal team with clear, complete investigation summaries. Strong written and verbal communication skill