Junior Data Analyst - santander

Someone with a real eye for detail who will check what our AI agents decide on live dispute cases. Every correction you make goes back into the agents, and shows up in the accuracy we report to banks., * Review what our agents decide on real dispute cases: the classification, the evidence they selected, and the response they drafted, checking each one for accuracy, relevance, and consistency

• Verify each case against the underlying transaction data, the cardholder’s evidence, and the Mastercard and Visa rules that govern it
• Identify and flag errors, inconsistencies, and gaps in the agent output, described precisely enough that an engineer can act on them
• Build and maintain the labeled test sets our engineers measure agent accuracy against
• Provide structured feedback and curated datasets that go back into how the agents are evaluated and improved
• Help refine the review process itself, including which cases are worth sampling as volumes grow
• Meet deadlines while holding a high standard of accuracy and efficiency

• 1-2 years of working experience
• Strong attention to detail and organizational skills
• Comfort working in spreadsheets, and interest in learning SQL if you do not use it yet
• Ability to work independently, manage your own time, and ask when something does not look right
• Interest in payments and disputes. No chargeback experience needed, we will teach you the scheme rules
• English proficiency required

Home Find Jobs Companies Post Resumes Post Jobs Blog, Triple is building the intelligence layer for financial services. From our roots in merchant transaction data, we’ve expanded to solve one of the industry’s biggest challenges: dispute and fraud management. We are deploying AI agents to fully automate these workflows for top-tier card issuers.

With $10M in funding and a global footprint spanning over 60 banks and fintechs (including Airwallex, Qonto, N26, and Trade Republic), we are a fast-moving, experienced team. Join us to help shape the future of banking operations.