Senior QA Automation Engineer

• Mentor engineers on quality, including TDD and test design
• Define testing approaches for the squad across unit, integration, contract, and end-to-end testing
• Build production-grade automation, testing tools, and test scripts
• Instrument and track quality metrics such as coverage, flakiness, test times, and defect rates
• Use data to prioritize quality improvements
• Use AI to generate tests, identify coverage gaps, and accelerate quality feedback loops
• Participate in on-call and incident response
• Troubleshoot production issues using logs, metrics, and observability tools
• Investigate services and infrastructure, identify or narrow root causes, perform operational actions, and escalate incidents
• Help engineers catch issues earlier through design, testability coaching, and fast feedback
• Lead quality initiatives for the squad and mentor engineers on testing practices

• 3–5+ years as a software engineer or QA
• Strong programming skills and ability to write production-grade, maintainable code
• Proficiency in at least one modern programming language, such as Java, JavaScript/TypeScript, Python, or Dart
• Ability to quickly adapt to other languages for QA tooling
• Hands-on experience designing, building, and maintaining automated tests across web, API, and/or mobile
• Experience with tools such as Selenium, Cucumber, Appium, Rest Assured, Playwright, Maestro, Patrol, or equivalent technologies
• Deep expertise in unit, integration, contract, and end-to-end testing strategies
• Proficiency with CI/CD, Jenkins pipelines, and GitHub Actions
• Familiarity with Java/Spring, Angular/Flutter, AWS, PostgreSQL, MongoDB, Datadog, Postman, Bruno, and JMeter
• Familiarity with on-call processes, production troubleshooting, logs, metrics, observability tools, mitigation actions, and incident escalation
• Experience using AI tools to generate test cases, identify edge cases, detect flaky tests, analyze coverage gaps, and prioritize testing
• Experience coaching engineers and changing team practices
• Ability to write clear documentation and runbooks
• Fluent in Spanish
• Working knowledge of English for cross-team collaboration
• Nice to have: fintech, payments, or high-reliability systems experience
• Nice to have: mobile, performance/load, contract/API testing, open-source, or mobile device farm experience