Senior QA Automation EngineerLevel: E2 (Senior)Location: Mexico City or Remote (LATAM)About the RoleWe're looking for a Senior QA Automation Engineer to elevate engineering quality across Aplazo.
This is an engineering role—you'll write production-grade code and maintain automated tests independently; improve existing suitesand coverage in your own area, adapt and improve test plans for medium/large features, execute end-to-end with little guidance and give clear feedback to engineers on quality.You're an engineer who's passionate about quality and believes the best way to achieve it is by empowering every engineer to test better.At E2, you lead quality initiatives for your squad and mentor engineers on testing practices.What You'll DoMentor engineers on quality — Pair with engineers to improve their testing practices; TDD, and test designOwn test strategy — Define testing approaches for your squadWrite code — Build production-grade automation, testing tools & test scriptsDrive quality metrics — Instrument and track quality signals (coverage, flakiness, test times, defect rates); use data to prioritize improvementsLeverage AI for quality — Use AI to generate tests, identify coverage gaps, and accelerate quality feedback loopsParticipate in on-call & incident response - Troubleshoot production issues using logs, metrics, and observability tools; investigate services and infrastructure, identify or narrow down root causes, perform appropriate operational actions, and elevate incidents to the right owning team with clear technical context.Shift quality left — Help engineers catch issues earlier through better design, testability coaching, and fast feedbackWhat We're Looking ForTechnical3 - 5+ years as a QA Automation EngineerStrong programming skills— able to write production-grade, maintainable code, not just test scripts.




Proficiency in at least one modern programming language (e.G., Java, JavaScript/TypeScript, Python, Dart) and the ability to quickly adapt to others for QA tooling.Hands‐on test automation experience — experience designing, building, and maintaining automated tests across Web, API, and/or Mobile using tools such as Selenium, Cucumber, Appium, Rest Assured, Playwright, Maestro | Patrol, or equivalent technologies.Deep expertise in test architecture: unit, integration, contract, and e2e testing strategiesProficient with CI/CD, integration and test automation with Jenkins pipelines and GitHub Actions for solution builds and deployments.Familiar with our stack or similar: Java/Spring, Angular/Flutter, AWS, PostgreSQL, MongoDB, Datadog, Postman, Bruno and JMeterFamiliar with on‐call process like production trouble shooting (reading/matching logs & metrics, using observability tools like Datadog & taking with engineers appropriate mitigation actions and escalating incidents right away (accordingly to the severity)AI FluencyUses AI tools to generate test cases, identify edge cases, and accelerate test developmentApplies AI to detect flaky tests, analyze coverage gaps, and prioritize testing effortsBuilds or champions AI-powered quality tools for the teamStays current on AI-assisted testing capabilities and best practicesQuality PhilosophyBelieves engineers should own quality—your job is to enable them,



not replace themThinks about testability during design, not just after implementationPragmatic about test coverage—you optimize for confidenceUnderstands testing and when to break the rulesLeadership & CommunicationExperience in coaching engineers and changing team practicesWrites clear documentation and runbooksFluent in Spanish; working knowledge of English for cross-team collaborationMindsetProduct first, quality specialist secondPassionate about developer experience—you build tools people love to useStrong ownership; you drive quality improvements end‐to‐endCurious about fintech‐specific quality challenges (financial accuracy, compliance, fraud)Nice to HaveExperience in fintech, payments, or high‐reliability systemsBackground in mobile testing (Flutter, iOS, Android), web testing(HTML/Angular/JS, backend testing (Java,Spring boot, Golang)& testing frameworks like Maestro or Patrol.Performance and load testing experienceContract testing (Pact) or API testing expertiseContributions to open‐source testing tools or frameworksExperience managing a mobile device farm (Sauce Labs)Our StackLanguages: Java, Python, JavascriptFrameworks: JUnit, TestNG, Playwright, Selenium, Appium, Maestro/PatrolAPI Tooling: Postman/Bruno, Jmeter/LoadRunner, Rest AssuredCI/CD: Jenkins, GitHub Actions, CodeMagicInfrastructure: AWS, PulumiObservability: DataDogWhy AplazoOur mission is to empower financial access and opportunity across Latin America through fair, simple, and transparent solutions.
Our tech vision: be the most beloved and innovative tech organization in Latin America.We're a Series B fintech growing fast—quality is critical when you're handling millions of financial transactions.
You'll shape how 50+ engineers think about and practice quality.
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📌 Sr Qa Automation Engineer (Xico)
🏢 Aplazo
📍 Xico