Senior SDET – Middleware QA (AI-Driven, Node.js/TS)

Santex in Argentina is hiring a Senior Quality Engineer, Middleware to own validation of the reliability, performance, and correctness of services built by our software engineers. You will design test strategies for load and integration across a distributed, serverless AWS architecture.

You’ll work with AI-assisted tools like GitHub Copilot and Claude to accelerate test authoring and data generation, and you’ll help drive their adoption across the team, aligning with CI/CD pipelines and partner