Remote Chargeback Operations Intern (Paid)

Mosaec; México; Remote; MXN 149,000 - 178,000; Full time

Job summary

Sezzle is seeking a Chargeback Operations Intern to analyze and respond to card and ACH disputes in a fast-paced fintech environment. You will work with fraud and disputes teams, using AI tools to improve processes, while supporting customers and merchants.

The role is a paid internship, full-time, with hours 9:00 am–5:30 pm Central Time. It offers remote work from Mexico and strong growth potential within Sezzle's rapidly expanding operations.

Qualifications

• Experience in analyzing data and comfortable making impactful decisions in a fast-paced environment.
• Attention to detail and ability to multitask.
• Excellent problem-solving and analytical skills.
• Strong business judgment and communication skills.
• Ability to self-start and work with minimal supervision after training.

Responsibilities

• Investigate disputed credit card, debit card, and ACH transactions and take suitable action to resolve those disputes within the allowed timeframes.
• Work cross functionally with relevant departments (fraud, disputes) to determine next steps on a case to case basis.
• Investigate individual transactions using internal policies and review methodologies to identify patterns or trends.
• Understand our systems and tools; investigate account patterns through data analysis.
• Collaborate with analysts, operations specialists, data scientists and engineering to improve our loss prevention mechanisms, processes and tools.
• Learn and maintain strong domain knowledge of the world of fraud including prevention techniques and technologies.
• Maintain or exceed established service level agreements (SLAs) for timely resolution of queued cases to minimize potential losses.
• Handle escalations from internal and external stakeholders in a professional and efficient manner.
• Demonstrated experience working with Claude or equivalent large language model tools is required; candidates must be comfortable leveraging AI to enhance productivity, research, and communication.

Skills

Data analysis

Attention to detail

Analytical skills

Business judgment

Communication skills

Self-starting

Tools

Claude

Job description

Sezzle is seeking a Chargeback Operations Intern to analyze and respond to card and ACH disputes in a fast-paced fintech environment. You will work with fraud and disputes teams, using AI tools to improve processes, while supporting customers and merchants.

The role is a paid internship, full-time, with hours 9:00 am–5:30 pm Central Time. It offers remote work from Mexico and strong growth potential within Sezzle's rapidly expanding operations.