Card Fraud Specialist

Job Overview

Nymbus ( 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.

Job Description

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.

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.

Key Responsibilities

• Nymbus ( isn’t just a leader in fintech; we’re a community of innovators passionate about reimagining banking.
• We operate with an AI-first mindset across our business, continuously improving how we work and the value we deliver to our clients.
• 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.
• ESSENTIAL JOB FUNCTIONS/RESPONSIBILITIES: Monitor card transaction activity across platforms (Lithic, Fiserv EFT, VisaDPS, Velera, TransFund) to identify suspicious or high-risk behavior.
• Escalate cases to the appropriate internal teams with thorough summaries, supporting evidence, and a clear recommended course of action.
• Manage the full dispute and chargeback lifecycle, adhering strictly to Visa and Mastercard response timelines and regulatory requirements.
• Communicate clearly and professionally with cardholders to verify transactions, collect supporting documentation, and explain case outcomes, while carefully assessing credibility as part of the investigation.
• Maintain a structured case management workflow to manage multiple concurrent investigations with accuracy and consistency.

Required Skills and Qualifications

• Occasional travel may be required for client engagements, team planning sessions, or company events.
• Strong written and verbal communication skills are essential, as this role involves regular engagement with cardholders, clients, processors, and internal stakeholders across all levels of the organization.
• QUALIFICATIONS: Exceptional organizational skills with the ability to manage a large volume of concurrent cases accurately and consistently.
• Clear, professional communication skills.
• Solid working knowledge of identity fraud and first-party fraud indicators.
• Experience with card fraud platforms such as Lithic, Fiserv EFT, VisaDPS, Velera, or TransFund preferred.
• SCHEDULE: Monday - Friday, 9:00 am to 6:00 pm EST Rotating Saturdays SALARY & BENEFITS: $50,000 - $55,000 Annual Salary Annual Cash Bonus and Equity Options commensurate with the role level and experience 100% Remote 401(k) plan Insurance - Health, Dental and Vision Flexible Paid Time Off Ready to join?

Benefits and Perks

• SCHEDULE: Monday - Friday, 9:00 am to 6:00 pm EST Rotating Saturdays SALARY & BENEFITS: $50,000 - $55,000 Annual Salary Annual Cash Bonus and Equity Options commensurate with the role level and experience 100% Remote 401(k) plan Insurance - Health, Dental and Vision Flexible Paid Time Off Ready to join?

Work Location and Schedule

This role is listed as Remote USA with location information shown as Remote USA. The employment type is Full Time.

About the Company

Nymbus is the organization connected with this listing. USA Jobs Today displays this opportunity for job discovery only, so applicants should verify company details, application instructions, and eligibility on the official employer website.