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Argentina / Perú Remote (Country)

Santex is hiring a Senior SDET (Must: .Net & AWS)

Responsibilities

  • Develop and maintain automated test frameworks for .NET/SQL Server services and Node.js Lambda microservices.
  • Create and manage unit and integration tests for Node.js Lambda functions using Mocha, Chai, and Nock for HTTP mocking.
  • Measure and monitor code coverage with c8, ensuring minimum thresholds are met in continuous integration.
  • Verify event-driven workflows that use SQS and EventBridge, including asynchronous processing and message-based integrations.
  • Test REST API specifications across public (REGIONAL) and private (VPC-isolated) API Gateway endpoints, ensuring compliance with SCIM 2.0 standards.
  • Validate changes in data layers for both SQL Server and RDS Aurora PostgreSQL, including schema updates via DACPAC deployments.
  • Integrate testing into CI/CD workflows using Azure Pipelines across multiple environments: DEV, QE, STG, UAT, PE, and PROD.
  • Confirm that infrastructure deployed via Terraform operates correctly across all designated environments.
  • Analyze test execution results and application performance using CloudWatch Logs and Dynatrace monitoring tools.
  • Collaborate with development teams to establish testability criteria during early stages of feature planning.

Responsibilities (10)

  • Design and implement automated test suites across our .NET/SQL Server service and Node.js Lambda microservices.
  • Build and maintain unit and integration tests using Mocha, Chai, and Nock (HTTP mocking) for Node.js Lambda functions.
  • Track and report code coverage using c8, enforcing coverage thresholds in CI.
  • Validate event-driven flows involving SQS and EventBridge, including async processing and message-based integration paths.
  • Test REST API contracts across both external (public, REGIONAL) and internal (PRIVATE, VPC- isolated) API Gateway endpoints, including SCIM 2.0 compliance validation.
  • Validate data layer changes across SQL Server and RDS Aurora PostgreSQL, including DACPAC- based schema deployments.
  • Build test coverage into CI/CD pipelines (Azure Pipelines) across DEV → QE → STG → UAT → PE → PROD.
  • Validate Terraform-provisioned infrastructure behaves as expected per environment (dev/dev1/uat/qe/prod).
  • Monitor test failures and application behavior using CloudWatch Logs and Dynatrace.
  • Partner with engineers to define testability requirements early in feature design across the platform.
Required Skills
MS SQL Server
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MS SQL
Job Details
Location Argentina / Perú
Work mode Remote (Country)
Category QA & Testing
Posted 17 days ago
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About company
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Santex is a global Certified B technology company as well as one of North America's fastest-growing companies, according to the Inc. 5000. It’s present in 18 countries and over 100 cities, and headquartered in Argentina with offices in the United States, Mexico, and Peru. Its two service lines — AI Tech Consulting and AI-Optimized Engineering — help organizations comprehensively adopt technology, expand their capabilities, and improve business outcomes at scale. The same approach defines its culture: Santex has 80.4% employee engagement (global average: 21%), 8% annual turnover (tech sector: 20–25%), 9,369 training hours invested in 2025 — more than double the global average —, and a 26.5% year-over-year reduction in carbon footprint, achieving carbon neutrality through offsetting. Santex. A company with purpose and judgment. Yes, it's possible. We are an Equal Opportunity Employer and are committed to fostering an inclusive and diverse workplace. We do not discriminate on the basis of race, color, religion, sex, gender identity or expression, sexual orientation, national origin, age, disability, veteran status, genetic information, or any other characteristic protected by applicable law. All qualified applicants will receive consideration for employment without regard to any of these factors. We strongly encourage candidates from all backgrounds to apply.
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