Chargeback & Dispute Specialist - Fraud & Compliance

Onmo; England; On-site; GBP 40,000 - 56,000; Full time

Job summary

Onmo is seeking a Chargeback and Dispute Specialist to manage customer disputes and claims. You will investigate cases, coordinate with stakeholders, and apply insights to reduce losses and risk, while ensuring compliance with FCA/PSD2 and Visa/Mastercard rules. A strong analytical mindset and experience with dispute systems are essential.

You will work with Fraud and Customer Service teams, track volumes and outcomes, and provide clear customer guidance throughout the process.

Qualifications

• 2–3 years in chargeback or dispute resolution in financial services.
• Strong knowledge of Visa/Mastercard/Amex chargeback rules and UK laws (FCA, PSD2).
• Experience with Section 75 claims is beneficial.
• Excellent analytical and problem‑solving skills.
• Attention to detail and multitasking ability.
• Proficient in dispute management systems and MS Office.
• Excellent written and verbal communication, handling sensitive inquiries.

Responsibilities

• Handle end-to-end chargeback processes with investigation and resolution.
• Assess claims, gather documents, ensure timely outcomes.
• Identify trends, coordinate with fraud prevention teams.
• Collaborate with Fraud and Customer Service to resolve disputes.
• Track dispute volumes, outcomes and contribute to audits.
• Communicate dispute results and guidance to customers.
• Ensure compliance with UK regulatory standards (FCA, PSD2).
• Support Section 75 claims and provide timely outcomes.
• Provide cover for wider Fraud team during high demand.

Skills

Chargeback handling

Dispute resolution

Regulatory compliance

Analytical thinking

Communication skills

Fraud awareness

Tools

MS Office

Dispute systems

Job description

Onmo is seeking a Chargeback and Dispute Specialist to manage customer disputes and claims. You will investigate cases, coordinate with stakeholders, and apply insights to reduce losses and risk, while ensuring compliance with FCA/PSD2 and Visa/Mastercard rules. A strong analytical mindset and experience with dispute systems are essential.

You will work with Fraud and Customer Service teams, track volumes and outcomes, and provide clear customer guidance throughout the process.