Senior Software Development Engineer in Test, Mattermost

• BS in Computer Science, Software Engineering, or related field with 5+ years of experience in software testing and quality engineering
• Proven expertise in designing and implementing automated testing frameworks for full-stack applications
• Strong programming skills in our technology stack: TypeScript, React, React Native, Go, and PostgreSQL
• Extensive experience with end-to-end testing frameworks such as Playwright, Cypress, or similar modern testing tools
• Deep understanding of CI/CD pipelines, distributed systems, and cloud-based testing infrastructure
• Experience with API testing, performance testing, and security testing methodologies
• Knowledge of containerization technologies (Docker, Kubernetes) and their application in testing environments
• Strong analytical and problem-solving skills with the ability to identify quality risks and design comprehensive mitigation strategies
• Excellent communication skills and experience collaborating with cross-functional teams in remote environments
• Experience working independently across multiple time zones while driving initiatives that impact global development teams
• For candidates residing in the U.S.: This role may require the ability to obtain and maintain a U.S. government security clearance in the future. As such, U.S. applicants must be U.S. citizens and eligible under applicable clearance requirements
• Applicants must meet eligibility requirements for access to export-controlled information as defined by U.S. export control laws, including EAR and ITAR

Desirable

• Mattermost is seeking a visionary Senior Software Design Engineer in Test (SDET) to revolutionize our automated testing infrastructure and drive quality excellence across our platform
• In this role, you'll architect and implement cutting-edge testing frameworks that eliminate manual testing redundancy while maximizing product reliability for mission-critical industries including defense, intelligence, and critical infrastructure
• As a Senior SDET, you'll be at the forefront of testing innovation, exploring and implementing AI-powered testing methodologies that transform how our engineering teams approach quality assurance
• You'll build systems that make automated testing so intuitive and comprehensive that we’ll never manually test anything twice
• This is a strategic role where your technical expertise will directly impact the reliability and security of collaboration tools used by the world's most critical organizations
• Working with our globally distributed team, you'll establish testing standards and practices that scale across our open-source platform, empowering both internal developers and the broader community
• Your contributions will shape the future of automated testing at Mattermost while advancing the state of the art in software quality engineering
• Design and implement comprehensive automated testing frameworks using modern technologies including TypeScript, React, React Native, Go, and PostgreSQL
• Architect scalable test infrastructure that seamlessly integrates with CI/CD pipelines and supports distributed development workflows
• Pioneer the integration of AI and LLM technologies into automated testing processes, including intelligent test generation, execution, and analysis
• Develop tools and frameworks that enable developers and QA analysts to easily contribute high-quality automated tests across the entire stack
• Create and maintain end-to-end testing strategies using frameworks such as Playwright, Cypress and Detox to ensure comprehensive product coverage
• Establish testing standards, best practices, and methodologies that eliminate the need for repetitive manual testing
• Collaborate with engineering teams to embed quality practices early in the development lifecycle through shift-left testing approaches
• Build sophisticated test data management systems and mock services that support complex testing scenarios
• Implement monitoring and reporting systems that provide actionable insights into product quality and test effectiveness
• Mentor engineering teams on automated testing techniques and drive adoption of quality-first development practices
• Research and evaluate emerging testing technologies and methodologies to maintain Mattermost's competitive edge in quality engineering