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5 staff test engineer jobs found

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staff test engineer
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CloudLinux
06 Mar, 2026
Full time
Business Systems Analyst - Quality & Product Owner (remote, Europe)
CloudLinux Remote (Warsaw, Poland)
TuxCare is a subsidiary of CloudLinux Inc. , the maker of the #1 OS in security and stability for hosting providers. It offers a portfolio of security solutions for Linux and open-source software aimed at enterprise organizations. With TuxCare, enterprises can automate live vulnerability patching, minimize downtime, keep their applications secure and compliant, and get support from a team that knows Linux security best – covering the most popular Linux distributions, end-of-life systems, programming languages, and much more. For more information, visit our website: tuxcare.com. The Mission TuxCare is moving away from the legacy model of "Requirement Hand-offs." We are looking for a Business Systems Analyst to take absolute ownership of the logical integrity and quality of a specific product domain. In this role, you aren't just writing Jira tickets; you are the "Guardian of Logic." You will work in a high-velocity unit alongside a Staff Engineer to ensure that...
Mattermost
18 Feb, 2026
Staff Software Engineer, Testing Infrastructure
Mattermost USA
At 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.   To learn more, visit  www.mattermost.com Mattermost is seeking a visionary Staff Software Design Engineer (SDE) in Testing Infrastructure to lead a company-wide transformation of test automation and quality engineering . In this highly visible role, you will serve as the technical lead for software testing and quality , partnering directly...
Mattermost
09 Feb, 2026
Senior React Native Engineer
Mattermost USA
At 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.   To learn more, visit  www.mattermost.com Mattermost is seeking a Senior React Native Engineer to join our mobile engineering team and build resilient mobile experiences for mission-critical industries like defense, intelligence, and critical infrastructure. This is not a feature development role: you'll be focused on the networking,...
Automattic
23 Feb, 2026
Performance Engineer, Backend
Automattic Remote
Automattic ’s products— WordPress.com , WooCommerce , Beeper , Tumblr , Jetpack , and more—serve tens of billions of page views every month from data centers around the world. The PerfOps team exists to make those page views as quickly as possible. As a Backend Performance Engineer, you’ll dive deep into query plans, cache hit ratios, and PHP profiling data to find the milliseconds that matter at our scale. You’ll work across the full Automattic product portfolio: if it runs on our backend, it’s your playground. This is an opportunity to do performance work where the impact is immediate and enormous. You’ll collaborate with product engineers, systems engineers, and network operations, bringing a performance-first mindset to architecture decisions, code reviews, and incident response. If you love the puzzle of why something is slow and get satisfaction from making it measurably faster, this role was made for you. Responsibilities:   Identifying and eliminating backend...
Mattermost
18 Feb, 2026
Lead Site Reliability Engineer
Mattermost USA
At 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.   To learn more, visit  www.mattermost.com Mattermost is seeking an experienced and visionary Lead Site Reliability Engineer (SRE) to guide the architecture, reliability, and operational excellence of the infrastructure powering our secure, mission-critical collaboration platform.   In this role, you will provide technical leadership...
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