Senior QA Engineer – Manual & Automation

Goods & Services

. Design, develop, and execute comprehensive manual and exploratory test cases and test plans covering functional, regression, integration, and end-to-end scenarios.

Posted 9/21/2026full-timeMexicoSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Proficient in designing, developing, and executing both manual and automated test cases, with a strong focus on API automation testing using REST Assured and mobile automation with Appium. Demonstrates expertise in QA best practices, test strategy improvement, and collaboration with cross-functional teams to enhance product quality.

Highest-signal resume keywords

Selenium With JavaAppiumREST AssuredAPI Automation TestingLinux Systems

ATS Keywords

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Hard Skills

Manual TestingAutomated TestingTest Case DesignTest Plan DevelopmentRoot Cause AnalysisTest Environment ConfigurationTest Coverage AnalysisAI-Powered Testing TechniquesExploratory TestingDefect Investigation

Soft Skills

Problem-SolvingAttention To DetailAnalytical AbilitiesEffective CommunicationCollaboration

Tools & Technologies

CursorJMeterLoad RunnerJavaScriptVB ScriptCypress.NET Framework

Industry Keywords

Quality AssuranceSoftware TestingContinuous ImprovementTesting FrameworksTesting Processes

Tech Stack

Tools & technologies

CypressJavaJavaScriptJMeterLinuxSelenium.NET

About the role

Key responsibilities & impact

Design, develop, and execute comprehensive manual and exploratory test cases and test plans covering functional, regression, integration, and end-to-end scenarios.
Design, develop, and maintain automated test suites using Selenium with Java.
Develop and maintain mobile automation tests using Appium.
Design and execute API automation tests using REST Assured.
Improve QA automation frameworks, test strategies, and testing processes.
Analyze test failures, investigate defects, review logs and system behavior, and perform root cause analysis.
Configure test environments, review logs, troubleshoot issues, and support testing in Linux environments.
Identify quality risks, edge cases, and test coverage gaps, and recommend improvements.
Collaborate with developers, product teams, and cross-functional stakeholders to clarify requirements, investigate defects, communicate testing results, and drive issues to resolution.
Apply AI-powered tools and techniques to QA and software testing.
Stay current with testing tools, automation frameworks, AI technologies, and industry best practices.
Participate in continuous improvement initiatives and establish QA best practices.
Provide actionable feedback on product quality, test results, defects, and risks.

Requirements

What you’ll need

Bachelor’s Degree in Computer Science, Engineering, or related field.
5+ years of experience in QA/Software Testing, with hands-on experience in both manual and automated testing.
Proficient with automation tools and technologies such as Appium, Selenium with Java, and REST Assured.
Solid experience designing, executing, and maintaining manual and exploratory test cases and test plans, in addition to automation work.
Demonstrated experience in API automation testing using industry-standard tools and libraries.
Hands-on experience with Linux systems, including configuration and troubleshooting.
Solid working knowledge of how AI is applied to QA/software testing, including AI-assisted test generation, self-healing automation, and AI-driven code/test review.
Autodidactic mindset — self-driven, resourceful, and hungry to learn new tools, frameworks, and testing approaches independently.
Excellent problem-solving skills, attention to detail, and strong analytical abilities.
Effective communication skills and the ability to collaborate within a cross-functional team.
Nice to have: Experience with Cursor, JMeter/Load Runner, JavaScript, VB Script, Cypress, and .NET framework.