⚡ New

QA Engineer – Quality Engineer

Jobtailor

São PauloFull-timeMid LevelOn-site

Job Description

  • Build and maintain the platform’s automated test suite, including E2E, integration, and regression tests
  • Create mechanisms to evaluate responses generated by AI agents
  • Develop golden datasets, scoring criteria, and regression tests for LLM-generated artifacts
  • Determine whether changes to prompts or models have improved or degraded results
  • Define Quality Gates and the criteria that may block a release
  • Ensure the reliability of CI pipelines
  • Identify and fix flaky tests and slow pipelines
  • Perform exploratory and release testing
  • Triage defects, assign severity, and track fixes through final validation
  • Turn failure patterns identified during testing into insights for product and roadmap evolution

Requirements

  • 3+ years of experience in QA, SDET, or Test Engineering
  • Hands-on experience with test automation for products in production
  • Strong knowledge of Python and/or TypeScript
  • Experience with modern E2E testing frameworks such as Playwright, Cypress, or equivalent
  • Experience with API testing
  • Solid knowledge of CI/CD, including pipeline creation and maintenance
  • Ability to test systems with non-deterministic responses
  • Experience evaluating LLM or Machine Learning outputs, or the ability to develop a consistent approach to doing so
  • Ability to accurately assess defect severity and impact
  • Use of AI tools in day-to-day work
  • Self-directed, with the ability to establish processes in environments that do not yet have a defined model
  • Previous experience at early-stage companies, preferably having helped build the QA function or processes from the ground up
  • Experience evaluating LLM-based features or AI agents in production
  • Knowledge of evaluation design (evals), hallucination detection, and Human-in-the-Loop (HITL) review processes
  • Familiarity with enterprise software ecosystems, especially SAP, Salesforce, ERP, and CRM
  • Experience with SAP testing tools such as Tricentis or Worksoft
  • Experience with SAP testing cycles and UAT
  • Knowledge of performance, load, or security testing
  • Sufficient programming ability to not only identify a bug but also potentially fix it
  • Professional to fluent English

Core Competencies

Demonstrates expertise in test automation, particularly in building and maintaining automated test suites for AI-driven products. Proficient in evaluating LLM outputs and ensuring the reliability of CI/CD pipelines while effectively managing defect triage and testing processes.

Highest-signal resume keywords

  • Test Automation
  • Python
  • E2E Testing Frameworks
  • CI/CD Pipeline Management
  • LLM Evaluation

ATS Optimization Keywords

Hard Skills

  • Test Automation
  • Python
  • TypeScript
  • E2E Testing
  • API Testing
  • CI/CD
  • Defect Severity Assessment
  • Performance Testing
  • Load Testing
  • Security Testing

Soft Skills

  • Self-Directed
  • Process Establishment
  • Insight Generation

Industry Keywords

  • QA
  • SDET
  • Test Engineering
  • Human-in-the-Loop
  • Evaluation Design
  • Hallucination Detection

Tools & Technologies

  • Playwright
  • Cypress
  • Tricentis
  • Worksoft
  • SAP
  • Salesforce
  • ERP
  • CRM

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