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QA Automation Engineer

Checkmarx - Braga, Portugal - In-office - posted 2026-08-10

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Checkmarx is an AI-powered application security platform trusted by 1,600+ customers across 70+ countries, including major enterprises and governments. The company provides a unified platform for securing software from development through runtime, protecting against risks in applications, cloud environments, and the software supply chain. As a QA Automation Engineer, you will play a key role in ensuring the quality and reliability of Checkmarx's security platform. You'll collaborate closely with Product, Architecture, and Engineering teams to understand requirements and define comprehensive test strategies that align with the company's security-first mission. Key responsibilities include designing, developing, and maintaining automated tests across the platform. You'll integrate cutting-edge AI tools and agents into your daily workflows to enhance test generation, failure analysis, and coverage optimization—leveraging the same AI capabilities that power Checkmarx's core product. You'll work with MCP-connected tools including GitHub and GitLab for code management and CI/CD pipeline integration, ensuring seamless automation across the development lifecycle. You'll investigate test failures, drive root cause analysis, and work with engineering teams to resolve issues quickly. This role offers the opportunity to work on a mature, security-focused product used by some of the world's most security-conscious organizations, while staying at the forefront of AI-driven testing practices.

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