Senior Automation Test Engineer (.NET / C# / Selenium)

Job Profile: Automation Test Engineer (.NET / C# / Selenium)

Job Type: Long-time based contract Job opportunity

Location: 100% Remote in Mexico

Job description

:We are seeking an experienced Automation Test Engineer with a strong background in Selenium-based test automation and .NET technologies. The ideal candidate will be responsible for designing, developing, and maintaining automated test frameworks and test scripts to ensure the quality, reliability, and performance of enterprise applications

.Candidates with a .NET development background and hands-on experience in C# automation scripting will be highly preferred. Experience with qTest and modern Agile testing practices is a plus

.Key Responsibilitie

• sDesign, develop, and maintain automated test frameworks using Selenium and C#
• .Create, execute, and maintain automated test scripts for web-based applications
• .Develop robust test automation solutions for functional, regression, integration, and end-to-end testing
• .Collaborate with developers, business analysts, and product teams to understand requirements and define test strategies
• .Validate REST APIs, backend services, and application integrations
• .Identify, document, track, and verify software defects throughout the development lifecycle
• .Participate in sprint planning, requirement reviews, and Agile ceremonies
• .Integrate automated test suites into CI/CD pipelines to support continuous testing
• .Analyze test results, troubleshoot failures, and provide detailed reporting
• .Ensure test coverage, quality standards, and release readiness across applications

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• .Contribute to automation best practices, framework improvements, and quality engineering initiatives

.Required Skill

• s5+ years of experience in Quality Assurance and Test Automation
• .Strong hands-on experience with Selenium WebDriver
• .Proficiency in C# for automation scripting and test framework development
• .Experience with .NET technologies and application architecture
• .Strong understanding of software testing methodologies, SDLC, and STLC
• .Experience with API testing using Postman, REST Assured, or similar tools
• .Knowledge of SQL and database validation techniques
• .Experience with Git and version control systems
• .Familiarity with CI/CD pipelines and automation testing integration
• .Strong analytical, debugging, and problem-solving skills

.Preferred Skill

• s.NET development background
• .Experience with qTest for test management and reporting
• .Experience testing applications built with React and .NET technologies

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• .Knowledge of Microservices architecture and API-driven applications
• .Familiarity with cloud environments such as Azure, AWS, or GCP
• .Experience with performance, load, or security testing concepts
• .Exposure to Kubernetes, OpenShift, or containerized environments

.Tools & Technologie

• sAutomation: Selenium WebDrive
• rProgramming: C#, .NE
• TAPI Testing: Postman, REST API
• sTest Management: qTest (Preferred
• )Version Control: Gi
• tCI/CD: Azure DevOps, Jenkins, GitHub Actions, or simila
• rDatabases: SQL Server, PostgreSQL, MySQ

LQualification

• sBachelor’s degree in computer science, Information Technology, Engineering, or a related field
• .Strong communication and collaboration skills
• .Experience working in Agile/Scrum development environments