Senior Quality Assurance Engineer

emerchantpay is a leading global payment service provider and acquirer for online, mobile, in-store and over the phone payments. They are seeking an experienced Senior Quality Assurance Engineer to design and improve test cases, perform various types of testing, and enhance QA processes using modern tools and strategies.

Responsibilities:

• Design, create, maintain, and continuously improve test cases for different projects and product areas
• Use AI-assisted tools to generate, review, optimize, and maintain test cases and test scenarios
• Execute different types of black-box testing, including functional, regression, integration, exploratory, and non-functional testing
• Perform API testing and contribute to API test automation across internal and external services
• Monitor, track, analyze, and report defects identified during test execution
• Work closely with developers, product owners, business analysts, and other stakeholders to understand requirements and define appropriate test coverage
• Keep track of development changes and carry out relevant testing when needed
• Automate test cases using various tools, frameworks, and programming/scripting languages
• Use AI tools, coding agents, and MCP-enabled workflows to improve QA productivity, including test generation, automation support, defect analysis, documentation, and integrations
• Contribute to the testing strategy for cloud-native systems, microservices, integrations, and distributed architectures
• Document and assure the quality of software applications across all architectural layers
• Support continuous improvement of QA processes, tools, standards, and best practices

Requirements:

• 7+ years of experience in Software Quality Assurance
• 3+ years of experience in automated testing — developer profiles welcome!
• Knowledge of Ruby, Rails, Python, JavaScript/TypeScript, or other programming languages used for test automation
• Strong experience with test case design, test execution, defect reporting, regression testing, and release validation
• Strong hands-on experience with test automation tools and frameworks, such as Playwright, Selenium, Cypress, or similar
• Experience with API testing and API automation using tools or frameworks such as Postman, REST Assured, Playwright API testing, or similar
• Good understanding of the SDLC, Agile delivery practices, CI/CD processes, and modern software engineering workflows
• Comprehensive knowledge of web technologies, such as HTML, CSS, JavaScript, browser behavior, HTTP/HTTPS, REST APIs, and related protocols
• Strong knowledge of AWS, including practical experience with cloud-native systems and complex microservices testing
• Practical experience using AI tools in QA activities, including AI-assisted test case creation, test automation, test data generation, defect investigation, documentation, and coding-agent-assisted workflows
• Experience using MCP-enabled tools and integrations, such as Playwright MCP, Atlassian MCP, or similar AI-assisted development and QA workflows
• Ability to understand complex systems, identify risk areas, and define effective testing approaches
• Highly proficient in spoken and written English
• Enthusiastic, hard-working, motivated individual with excellent communication skills
• Experience with Jenkins, GitHub Actions, GitLab CI, or other CI/CD systems
• Experience with Linux environments
• Experience with mobile testing
• Experience testing payment systems, fintech platforms, or other high-availability transactional systems
• ISTQB Foundation or higher-level certification
• Experience contributing to QA strategy, automation frameworks, or test infrastructure design