Fraud Ops Analyst Nelo is a leading consumer fintech and e-commerce platform in Mexico, with $500MM in annualized GMV and $75MM in annualized revenue. Our mission is to increase the buying power of consumers in Latin America, and we are doing so by building a modern alternative to credit cards. Nelo has raised over $40M of venture capital from investors including Homebrew, Two Sigma Ventures and Susa Ventures.

Nelo has additionally raised a $100M asset credit facility from Victory Park Capital. Our lean team includes experienced leaders from top technology companies including Uber, Amazon, Rappi, and DiDi. This role is the operating layer underneath that strategy, and it owns two things end-to-end: the AI fraud investigation stack, and AML.

On the AI side, you are the person who decides what good signal looks like, curates the seed cases that train the agents, writes the instructions that tell them where to look and what to ignore, and designs the JSON schemas they read from and write into. When new fraud MOs emerge, you catch them and feed the agents before performance decays. On the AML side, you own casework, SAR narratives, escalations, and the operating cadence that keeps Nelo defensible if and when a regulator walks in.

You will work closely with CX (the source of most raw signal), Risk, Legal & Compliance, and Engineering.

Own the AI fraud agent stack: curate seed cases, refine instructions, design the JSON schemas, run the feedback loop that sharpens them over time. Stay current on local fraud MOs (SIM swap on Telcel, OXXO cash-outs, account takeovers, synthetic identity)



and feed that intelligence into both the agents and the broader Risk function.

Own AML operations: casework, escalations, SAR narratives, and the documentation that holds up under regulatory scrutiny. You can read a dispute, pull the right signals, and reach a conclusion the issuer or network will accept. You have worked AML cases, written SAR narratives, and understand how transactional patterns and identity signals interlace.

You can write a clear instruction for an agent, read what came back, and know whether it was wrong because of bad instructions, bad data, or a bad case to begin with. Investigations, SAR narratives, agent instructions, and case taxonomies all live or die by the quality of the writing. You see AML as paperwork.

The cost of an AML failure at a company like Nelo is not absorbable. If you treat compliance as a checkbox, you will not enjoy the level of rigor expected here. You need polished systems handed to you.

Most intake is in Spanish, MOs are local, and the CX team you depend on works from the office. Lean, fast, opinionated about quality. This role is based in Mexico City and is expected to be in-office given the proximity required with CX and Risk.

Slack, Linear, Metabase, Kustomer on the CX side, and an in-house case management layer for fraud that you will help shape. Demonstrated ownership of transactional fraud investigations (credit card, BNPL, or comparable consumer credit product). AML experience, including SAR narrative writing and familiarity with the regulatory expectations of a consumer financial institution.

Native

Spanish, professional English. 100% medical, dental, and vision coverage

📌 Fraud Operations Analyst (Mérida)
🏢 Nelo Aps
📍 Mérida