Chargebacks – Processing Specialist

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Job Title

Chargebacks – Processing Specialist

What does a successful Processing Specialist do?
A successful Processing Specialist provides high-quality operational support on disputes and interchange rejects for a portfolio of clients. They understand Visa and Mastercard rules, end-to-end dispute flows, and acquiring processes, and use that knowledge to guide clients on how to respond effectively and within strict deadlines. They proactively monitor scheme file flows, liaise with technical and internal teams to resolve issues, and maintain rigorous compliance standards. With strong analytical skills and attention to detail, they minimize financial losses and operational risk for clients and for Fiserv. As a trusted partner in possibility, they help clients deliver secure, seamless payment experiences that keep pace with the speed of life.

What you will do:

• Support multiple clients on day-to-day dispute handling across the full lifecycle, including chargeback, representment, pre-arbitration, arbitration, and compliance
• Advise clients on dispute responses, including evidence requirements, timelines, and best practices to maximize recovery and minimize write-offs
• Analyse interchange and scheme rejects at scale, identify root causes, and recommend corrective actions to clients and internal teams
• Monitor incoming and outgoing scheme files (primarily Visa and Mastercard) to ensure completeness, accuracy, and timely processing
• Investigate and resolve file and transaction exceptions in collaboration with technical, operations, and other internal teams
• Apply scheme and internal compliance rules consistently, maintaining high-quality documentation and clear audit trails
• Produce and maintain reports and dashboards on disputes and interchange rejects, highlighting trends, KPIs, and emerging issues
• Prepare clear, compelling PowerPoint materials for internal and client-facing reviews, such as MBRs and QBRs, and present key insights when required

What you will need to have:

• Previous experience in client management, supported by strong communication skills

• Experience in a disputes, chargebacks, card operations, or similar payments operations role
• Proficiency in client management supported by strong written and verbal communication skills
• Knowledge of card payments and the acquiring side, including merchant acquiring, clearing, settlement, interchange, and chargebacks
• Working knowledge of Visa and/or Mastercard dispute flows, lifecycle stages, and reason codes
• High level of attention to detail, accuracy with financial and scheme data, and ability to work comfortably with reports, logs, and transaction data

What would be great to have:

• Experience supporting both disputes and interchange rejects for multiple external clients on acquiring or processing platforms
• Advanced Excel capabilities, including complex formulas, data modelling, and basic automation using macros
• Experience preparing and/or presenting content for MBR, QBR, or similar governance and performance forums
• Knowledge of card payments compliance and regulatory requirements related to disputes and chargebacks
• Additional language skills aligned to client needs, and a collaborative mindset for working with technical, compliance, risk, finance, and operations teams
• Ability to manage multiple priorities and meet time‑sensitive SLAs.

Thank you for considering employment with Fiserv.  Please:

• Apply using your legal name
• Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Diversity and Inclusion:

Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law. 

Note to agencies:

Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.

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