Chargeback Operations & Fraud Intern

Sezzle; Comisión de Fomento de Perú; On-site; ARS 12,305,000 - 14,739,000; Full time

Job summary

Sezzle is seeking a proactive Chargeback Operations Intern to join our fast-paced fintech team. You will analyze card, debit, and ACH disputes, collaborate with fraud, disputes, and engineering teams, and help improve loss prevention through data-driven insights.

Strong analytical, detail-oriented, and communication skills are essential. Familiarity with Claude or other LLM tools is a plus; you will leverage AI to boost productivity in a hybrid schedule with a 9:00–5:30 Central Time window.

Qualifications

• Experience in analyzing data and making decisions in fast-paced environments.
• 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 card, debit card, and ACH transactions and take suitable action to resolve those disputes within the allowed timeframes.
• Work cross functionally with relevant departments to determine next steps on a case-by-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

Communication skills

Self-start

Claude/LLM tools

Job description

Sezzle is seeking a proactive Chargeback Operations Intern to join our fast-paced fintech team. You will analyze card, debit, and ACH disputes, collaborate with fraud, disputes, and engineering teams, and help improve loss prevention through data-driven insights.

Strong analytical, detail-oriented, and communication skills are essential. Familiarity with Claude or other LLM tools is a plus; you will leverage AI to boost productivity in a hybrid schedule with a 9:00–5:30 Central Time window.