Senior Software Design Engineer, Testing InfrastructureMattermost • London, England, United Kingdom
Senior Software Design Engineer, Testing Infrastructure
Mattermost
- London, England, United Kingdom
- London, England, United Kingdom
About
Senior Software Engineer, Testing Infrastructure
to lead a company‑wide transformation of test automation and quality engineering. In this highly visible role, you will partner directly with founders, CEO, and engineering leadership to define and execute the next evolution of our testing strategy and infrastructure.
Responsibilities
Lead a company‑wide transformation of test automation and quality engineering strategy, partnering directly with founders and engineering leadership.
Define and own the vision and roadmap for testing and quality engineering infrastructure.
Architect scalable, intelligent testing frameworks that integrate seamlessly into CI/CD pipelines and distributed workflows.
Establish and enforce testing standards, best practices, and quality metrics across engineering teams.
Influence and mentor engineers to adopt shift‑left testing, testability‑focused design, and quality‑first development practices.
Partner with engineering leadership to align testing strategies with product and platform roadmaps.
Design systems, tools, and processes that enable developers to create, run, and maintain high‑quality automated tests with ease.
Lead the integration of AI/LLM technologies into the testing strategy—including intelligent test generation, analysis, and reporting.
Build visibility and trust in quality signals through advanced reporting and improved observability of product reliability and test effectiveness.
Drive continuous improvement by researching, evaluating, and championing emerging testing methodologies and technologies.
Foster a culture of technical excellence in testing architecture, ensuring quality is a shared responsibility across all engineering teams.
Requirements
BS in Computer Science, Software Engineering, or related field with 7+ years experience in software testing, quality engineering, or test infrastructure development.
Proven experience defining and executing quality engineering strategy or leading test infrastructure initiatives for complex, full‑stack systems.
Strong programming background in TypeScript, React, React Native, Go, and PostgreSQL.
Deep understanding of CI/CD pipelines, distributed systems, and cloud‑based test environments.
Experience designing or architecting testing frameworks and developer tools that scale across large engineering organizations.
Strong expertise in end‑to‑end testing frameworks (e.g., Playwright, Cypress, Detox) and modern automation architecture.
Experience with API testing, performance testing, and security testing methodologies.
Knowledge of containerization technologies (Docker, Kubernetes) and their application to automated testing.
Strong analytical and problem‑solving skills with the ability to identify quality risks and develop effective mitigation strategies.
Excellent communication, collaboration, and influencing skills across cross‑functional, global teams.
Experience mentoring engineers and leading quality‑focused technical initiatives across multiple teams.
Preferences
Experience with AI/ML technologies applied to software testing, including automated test generation and intelligent test analysis.
Contributions to open‑source projects.
Knowledge of accessibility testing and inclusive design principles.
Previous experience working remotely with global teams.
Expertise in defence, intelligence, or security‑focused workflows.
Mattermost is an EEO Employer, a remote‑first, open‑source company. We 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’ll be happy to assist.
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Languages
- English
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