Sr Software Engineer GenAI Security

MercadoLibre
Buenos Aires
Workplace: HybridFull timeFunction: Software EngineeringExperience: 5+ yearsSkills: ["Agility","Continuous learning","Architectural thinking","Collaboration","Proactive problem solving"]

Design and scale secure, high-impact systems that protect GenAI assets across the company. You’ll implement security-focused agent and capability features, create high-quality instructions for large language models while proactively mitigating injection and related vulnerabilities, and use static code analysis and anomaly detection to improve protection. You’ll also analyze data and trends with BigQuery and Datadog to support strategic decisions and incident resolution in a hybrid Buenos Aires environment.

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FursaFursa
MercadoLibre
MercadoLibre
3 days ago

Sr Software Engineer GenAI Security

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 22 hours agoStatus: Live

Job Summary

Design and scale secure, high-impact systems that protect GenAI assets across the company. You’ll implement security-focused agent and capability features, create high-quality instructions for large language models while proactively mitigating injection and related vulnerabilities, and use static code analysis and anomaly detection to improve protection. You’ll also analyze data and trends with BigQuery and Datadog to support strategic decisions and incident resolution in a hybrid Buenos Aires environment.
Location: Buenos Aires
Workplace: Hybrid
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Implement security-focused features and agents that improve technical security standards across the company.
  • •Design, develop, and iterate high-quality instructions for large language models to mitigate injection vulnerabilities and risks.
  • •Integrate protection capabilities for AI assets using static code analysis and anomaly detection.
  • •Analyze data and trends with BigQuery and Datadog to support strategic decisions and resolve incidents.
  • •Contribute to architecture definitions by connecting multiple technologies and collaborating beyond the main project.

Key Requirements

  • •Implement security-focused features and agents across the company to elevate technical security standards.
  • •Design, develop, and iterate high-quality instructions for large language models, proactively mitigating injection vulnerabilities and risks.
  • •Integrate protection capabilities for AI assets using static code analysis and detection of anomalous behavior.
  • •Analyze data and trends using tools like BigQuery and Datadog to make strategic decisions and resolve incidents.
  • •Have 5+ years of experience in similar positions and understand information security principles for large language models.
Experience:5+ yearsGenAISoftware engineeringCybersecurityInformation security
Skills:AgilityContinuous learningArchitectural thinkingCollaborationProactive problem solving
Languages:Spanish
Tech Stack:GenAIBigQueryDatadogLarge language modelsStatic code analysis

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