Staff Software Engineer, Testing Infrastructure New

Staff Software Engineer, Testing Infrastructure United StatesAt Mattermost, we build the #1 collaborative workflow solution for defense, intelligence, security, and critical infrastructure organizations. Trusted by governments, financial institutions, and technology companies, our platform enables secure, efficient operations for the world’s most critical teams.We’re dedicated to empowering organizations to operate with confidence, reducing risks, and accelerating productivity. Guided by our core values of Customer Obsession, Earn Trust, Self Awareness, Ownership and High Impact, we collaborate closely with our customers to deliver solutions that meet complex needs and drive success.Mattermost is seeking a visionaryStaff Software Design Engineer (SDE) in Testing Infrastructuretolead a company-wide transformation of test automation and quality engineering . In this highly visible role, you will serve as thetechnical lead for software testing and quality , partnering directly with Mattermost’s founders, CEO, and engineering leadership to define and execute the next evolution of our testing strategy and infrastructure.As a Staff SDE in Testing Infrastructure, you willdefine the technical vision and architecture for test infrastructure, frameworks, and processes , enabling every engineer to deliver high-quality, reliable software with speed and confidence. Your work willshape how the entire organization approaches testing and quality —establishing standards, designing scalable systems, and fostering a culture where quality is owned by all.You will collaborate with engineering leadership to ensure testing systems aredeeply integrated, observable, and intelligent , includingdesigning AI-driven systemsthat accelerate test coverage, manage test reliability autonomously, and progressively automate how tests are generated and maintained. The goal: a single successful pass of the full automated test suite provides fast feedback and a high-confidence signal of product stability so that every commit meets the bar for release. Your impact will extend beyond infrastructure—this is astrategic, cross-functional leadership rolethat ensures our products meet the highest standards of reliability and security demanded by mission‑critical industries such as defense, intelligence, and critical infrastructure.ResponsibilitiesLead a company-wide transformationof test automation and quality engineering strategy, working directly with Mattermost’s founders and engineering leadership.Define and own the vision and roadmapfor Mattermost’s testing and quality engineering infrastructure — from establishing strong observability and meaningful test signals, through making quality the path of least resistance, to an AI-first future where machines generate, maintain, and verify tests.Architect scalable, intelligent testing frameworksand infrastructurespanning server, web, mobile, and desktop — progressively shifting testing from manual authorship toward machine-driven generation, maintenance, and analysis.Lead the integration of AI/LLM technologiesinto testing strategy—from test generation and autonomous flakiness management to coverage gap detection, and beyond as the technology evolves.Partner with engineering leadershipto align testing strategies with product and platform roadmaps.Establish and enforce testing standards, quality metrics, and quality gates across the SDLC — automated in CI/CD so quality is the path of least resistance.Build visibility and trust in quality signalsthrough unified observability — dashboards, metrics, and alerting that provide actionable insight into product reliability and drive accountability.Design systems, tooling, and processesthat empower developers to easily create, run, and maintain high-quality automated tests.Influence and mentor engineersto adopt shift-left testing, testability-focused design, and quality-first development practices.Drive continuous improvementby researching, evaluating, and championing emerging testing methodologies and technologies.RequirementsBS in Computer Science, Software Engineering, or related field with8+ years of experiencein software testing, quality engineering, or test infrastructure development.Proven track record ofdefining and executing quality engineering strategyor leading test infrastructure initiatives for complex, full-stack systems.Strong programming background inTypeScript, React, React Native, Go, and PostgreSQL .Deep understanding ofCI/CD pipelines, distributed systems, and cloud-based test environments .Experiencedesigning or architecting testing frameworks and developer toolsthat scale across large engineering organizations.Strong expertise in end-to-end testing frameworks (e.g., Playwright, Cypress, Detox) and best practices in automation architecture.Experience with API testing, performance testing, and security testing methodologies.Knowledge ofcontainerization technologies (Docker, Kubernetes)and their application to automated testing.Strong conviction that AI will fundamentally transform software testing , and the drive to lead that transformation — staying current with emerging AI capabilities and proactively identifying where they can accelerate quality.Excellent communication skills with the ability to translate complex testing strategy for audiences from individual engineers to executive leadership.Experiencementoring engineersand leading quality-focused technical initiatives across multiple teams.Preferred QualificationsExperience applying AI/ML technologies to software testing — test generation and intelligent test analysisContributions to open-source projectsKnowledge of accessibility testing and inclusive design principlesHas worked fully remotely with global teamsExpertise in defense, intelligence, or security-focused workflows and the reliability standards these environments demandMattermost takes a market-based approach to pay and pay may vary depending on your location. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future.Posting Range: $144,000 - $200,000 USDMattermost is an EEO Employer, we are a remote-first, open-source company.We are continually working to expand our hiring in more countries and regions, ensuring compliance with local laws and regulations, which takes time.Mattermost values your unique perspective—we welcome all applicants. We encourage individuals from all backgrounds to apply and are committed to assessing candidates based on their skills and qualifications. We do not tolerate discrimination against staff or applicants based on race, religion, national origin, age, disability, pregnancy status, veteran status, or other personal characteristics.If you require accommodations during the interview process, please let us know—we’re happy to assist.#J-18808-Ljbffr