SDET

• Evaluate the current QA/SDET landscape across teams and formalize an end-to-end testing framework.
• Define what QA and SDET efforts should be prioritized based on system complexity and risk.
• Identify gaps in coverage, including missing end-to-end tests.
• Guide teams through discovery and decision-making related to testing strategies and tooling.
• Establish and implement a complete testing strategy leveraging a deep understanding of the Test Pyramid.
• Serve as a technical testing leader by driving innovation through research, prototyping, and AI-driven testing approaches.
• Be hands-on with Playwright, contributing production-level automation code.
• Create and maintain test documentation, including test cases, scripts, and reports.
• Develop and maintain test automation frameworks following SOLID principles and clean-code standards.
• Work in an Agile environment, collaborating closely with engineering teams.
• Integrate automated tests into CI/CD pipelines.
• Monitor and analyze test results and provide actionable feedback.
• Perform exploratory testing and support root cause analysis of complex issues.
• Assist with all Agile scrum team activities, including story refinement and testing.

Senior Software Development Engineer in Test – Testing Architect

• Introducing, building, and maintaining automated testing suites (E2E, API, integration, and regression) for existing and new systems, using Playwright as the core technology
• Defining and implementing best practices, standards, and documentation for test automation, ensuring consistency, scalability, and maintainability across teams
• Collaborating with DevOps to integrate automated tests into CI/CD pipelines and improve the overall quality gate process
• Continuously auditing and evolving testing frameworks, promoting testability and automation-first principles in ongoing development
• Evaluating and integrating AI-assisted QA tooling, from LLM-driven test generation and intelligent test selection to AI-powered visual regression and root cause analysis, ensuring practical adoption where it delivers measurable value
• Mentoring, coaching, and upskilling manual QA specialists in automation approaches and effective testing strategies
• Championing an AI-first mindset within QA practices, helping team members effectively use AI tools for test creation, debugging, and test maintenance while establishing guidelines for responsible and productive AI usage
• Actively contributing to the QA Guild, sharing insights, driving process improvements, and helping shape the company-wide QA strategy
• Supporting development teams with quality metrics, root cause analysis, and structured feedback to enhance reliability, performance, and user experience.

Lead QA Automation Engineer

• Architect and evolve our Android automation framework (Espresso/Kakao-Cup) to support a growing portfolio of security products.
• Design sophisticated testing strategies for VPN-specific challenges, including network-dependent flows and testing under unstable or switching connection states.
• Work closely with developers and other QAs to troubleshoot and resolve issues, offering detailed bug reports.
• Uphold QA best practices and contribute to driving the QA strategy.
• Continuously explore new testing tools and methodologies to enhance the QA process.

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