Senior Quality Assurance Engineer

As a Senior Quality Assurance Engineer at Polestar, you will ensure the reliability, performance, and quality of customer-facing digital products and internal platforms supporting the vehicle purchasing journey.

You will work across frontend, backend, APIs, and cloud infrastructure, validating solutions and ensuring features meet business and technical requirements before release.

Your responsibilities include:

• Ensuring business requirements and acceptance criteria are fulfilled through comprehensive testing of user stories and system workflows
• Designing, executing, and maintaining manual and automated tests across frontend, backend, APIs, and integrations
• Validating quality, reliability, performance, and security of new platform capabilities and releases
• Collaborating with Software Engineers, Technical Leads, Product Managers, and Designers to translate product requirements into effective test strategies
• Identifying, documenting, prioritizing, and tracking defects, while supporting teams in root-cause analysis and resolution
• Contributing to test automation frameworks and improving overall test coverage and development practices
• Working closely with cross-functional agile teams to continuously improve software quality and delivery processes
• Monitoring and evaluating quality metrics and contributing to continuous improvement initiatives
• Staying up to date with industry best practices, modern QA methodologies, and emerging technologies, including AI-assisted testing approaches
• Documenting test plans, test results, and quality standards across the development lifecycle

You are a structured and analytical quality professional with strong ownership and a proactive approach to ensuring high-quality outcomes.

Requirements:

• Strong knowledge and hands-on experience with Quality Assurance methodologies and software testing principles
• Experience testing modern web applications and distributed systems across frontend and backend technologies
• Experience with test automation tools and frameworks for UI, API, and integration testing
• Understanding of React, TypeScript, .NET (C#), Node.js, APIs, and AWS-based systems from a testing perspective
• Experience working with CI/CD pipelines, GitHub workflows, and containerized environments
• Knowledge of Agile development methodologies and experience working in cross-functional product teams
• Strong analytical, organizational, problem-solving, and communication skills
• Ability to work independently while collaborating effectively across teams and stakeholders
• Experience with commerce, payments, financing, order management, or customer journey platforms is considered an advantage
• At least 4 years of professional experience in Software Quality Assurance