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Urgent! QA Engineer (Backend + Machine Learning Testing) Job | Stateside

QA Engineer (Backend + Machine Learning Testing)



Job description

Direct message the job poster from Stateside

About Stateside

Stateside is a US-based digital creative and technology agency that connects highly skilled LATAM talent with innovative US companies.

We build modern software, data and AI experiences for top-tier brands — fostering a culture of ownership, collaboration, continuous improvement, and a true sense of belonging.

We are scaling data-driven and ML-powered services across APIs and microservices.

We are seeking a Quality Engineer who will own quality strategy and test automation for backend/API systems and machine-learning workflows.

What You’ll Do

  • Define and execute multi-layer testing strategies (unit, integration, contract, end-to-end).

  • Build automated tests for REST/GraphQL/gRPC including schema, idempotency, and auth validation.

  • Conduct performance & reliability testing (k6 , JMeter ) and chaos/negative scenarios.

  • Maintain full traceability, coverage, and auditable evidence in TestRail .

Data & ML Quality Validation

  • Evaluate models against accuracy, AUC/F1, fairness & baseline metrics.

  • Validate train → serve parity and feature consistency.

  • Support canary/shadow/A-B deployments, drift monitoring (Evidently/WhyLabs).

  • Track ML artifacts and reproducibility using MLflow and DVC.

CI/CD Quality Gates & Observability

  • Integrate automated quality into GitHub Actions / GitLab CI / Jenkins .

  • Block deployments on failing gates, manage flaky test control and parallelism.

  • Build synthetic API monitors and model health checks.

  • Maintain release evidence for SOC 2 and customer requirements.

Enablement & Quality Culture

  • Create and maintain test playbooks, runbooks, and quality documentation.

  • Mentor engineers on shift-left testing and contract testing.

  • Drive continuous improvement through incident learnings and defect analytics.

Experience

  • 4–6+ years in Backend QA/SDET roles with strong automation.

  • Strong hands-on API and microservices testing.

  • Prior exposure to ML, data pipelines, or model validation.

  • TestRail experience for planning, execution, reporting.

  • Automating quality gates in CI/CD pipelines.

Technical Skills

  • Python or Java ; pytest / JUnit / TestNG
  • Performance testing: k6 or JMeter
  • Infrastructure: Docker; familiarity with Kubernetes
  • BS in Computer Science, Engineering, or equivalent experience.

What We Offer at Stateside

  • Office Equipment
  • Payment in USD (Monthly payment made through Deel.com)
  • Work from home - 100% Remote
  • Paid Vacations (12 days per year)
  • Paid National Holiday off (11 days per year)
  • Birthday Off, Personal Days off, Paid Sick Leave
  • Referral Program
  • Learning & Development
  • Education Expenditure
  • Wellness and entertainment

We celebrate diversity, creativity, accountability — and we truly care about our people.

✅ Ready to Apply?

Please submit your updated resume in English .

We can’t wait to meet you!

Seniority level

  • Mid-Senior level

Employment type

  • Full-time

Job function

  • Quality Assurance and Design

Industries

  • IT Services and IT Consulting, IT System Training and Support, and Software Development

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Required Skill Profession

Tecnología Eléctrica Y Energética



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