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Software Engineer Middle-End - Credits Lending IT

Mercado Libre

Software Engineering Buenos Aires Argentina Hybrid Mid Full-Time Jul 13, 2026

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Core Responsibilities

Design, develop, and evolve middle-end solutions for credit origination flows such as simulation, application, feedback, and loan management. Build scalable APIs and orchestration layers that integrate multiple services and ensure consistent user experiences. Actively participate in technical product definitions, contributing a comprehensive perspective on architecture, performance, resilience, and scalability.

Requirements
Solid experience in developing applications and services using Node.js with TypeScript, Java, or Go. Experience in designing and building APIs, orchestration layers, and BFFs for integrating multiple services in distributed architectures using design patterns and engineering best practices. Familiarity with observability tools,



monitoring, metrics, problem-solving strategies, and automated testing in production environments.

Key Skills & Technologies

Node.jsTypeScriptJavaGoAPI designorchestration layersobservabilityautomated testingAI toolsSpec Driven Development

Additional Information

Experience Level

Mid-Level

Job Language

Spanish

Employment Type

Full-time

Work Mode

Hybrid

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