Software Engineer Fraud Prevention Shipping

MercadoLibre
Montevideo, Buenos Aires
Workplace: HybridFull timeFunction: Software EngineeringSkills: ["Technical decision-making","Troubleshooting","Collaboration","Continuous learning"]

Design and scale secure fraud-prevention systems that address high-impact business problems. You’ll build critical components, analyze and resolve platform incidents with the analysis team, and collaborate with other teams to improve usability, performance, and resilience. Lead technical on-call responses, automate operational processes, and apply strong architecture practices to deliver scalable solutions in a modern engineering environment.

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MercadoLibre
MercadoLibre
5 days ago

Software Engineer Fraud Prevention Shipping

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Source: Company careers pageValidated by: Fursa AI
Last checked: 5 hours agoStatus: Live

Job Summary

Design and scale secure fraud-prevention systems that address high-impact business problems. You’ll build critical components, analyze and resolve platform incidents with the analysis team, and collaborate with other teams to improve usability, performance, and resilience. Lead technical on-call responses, automate operational processes, and apply strong architecture practices to deliver scalable solutions in a modern engineering environment.
Location: Montevideo, Buenos Aires
Workplace: Hybrid
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Design and implement critical fraud-prevention functionalities and components aligned with business goals and platform evolution.
  • •Analyze, diagnose, and resolve platform fraud-related business incidents, prioritizing by impact on monetary loss metrics and user experience.
  • •Collaborate with other fraud-prevention teams to develop services focused on usability, performance, and resilience, and advise on technical decisions.
  • •Participate in the team’s technical on-call, leading incident resolution to ensure service stability and continuity.
  • •Automate operational processes using existing tools to improve team efficiency.

Key Requirements

  • •FullStack profile with backend development experience (REST APIs, Java, SQL) and frontend knowledge (React, HTML, JavaScript).
  • •Knowledge of Nordic (not required/exclusive).
  • •Experience using agentic tools for automation, system development, and analysis.
  • •Experience with observability and monitoring tools (Datadog, New Relic, Kibana).
  • •Strong knowledge of design patterns and software architecture best practices, including complex SQL queries and API design/integration/documentation/versioning.
Experience:Fraud preventionE-commerceFinancial services
Skills:Technical decision-makingTroubleshootingCollaborationContinuous learning
Tech Stack:REST APIsJavaSQLNordicReactHTMLJavaScriptDatadogNew RelicKibana

Company Brief

MercadoLibre
Operates Latin America's leading e‑commerce marketplace and fintech ecosystem, offering online buying and selling, classifieds, payment processing, credit, and logistics services across multiple countries in the region.
Industry: Online Marketplaces
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: Buenos Aires, Argentina
Founded: 1999
Glassdoor
Glassdoor: 3.8
WebsiteLinkedIn