Current openings at Mattermost

Mattermost is seeking a result-driven and analytical Senior Product Security Engineer to help ensure the security of our product and services across the company. As part of our Security team you will work closely with a globally distributed team to support in all the different aspects of the software development life cycle. You will be responsible for the implementation of additional application security tooling and/or processes across the company and coordinate with relevant stakeholders, gather requirements, and lead the implementation.   Responsibilities Include: Support the application vulnerability management and mitigation approaches  Conduct application security reviews through manual code review or static/dynamic code analysis  Engage in threat modeling and design reviews of in-house developed software components  Provide security guidance and training to internal development teams  Triage SCA findings and support internal development teams in SCA findings remediation  Improve and/or automate existing processes to increase efficiency.   Requirements: BS in Computer Science, Cybersecurity, Software Engineering, or a related technical field, or equivalent experience, with 5+ years of relevant experience in application security, secure software development, or penetration testing. Deep understanding of web application security and secure development practices   Deep understanding with common security libraries, security controls, and common security flaws   Experience with Threat Modeling applications  Experience with static/dynamic analysis, and common exploit methods  Experience in one or more programming languages, ideally Go or Javascript  Excellent written and verbal communication skills  Demonstrable teamwork skills and resourcefulness  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.   Preferences: Experience working in open source communities  Experience running a bug bounty program Certifications in the domain of penetration testing or application security (e.g. OSCP, OSWE, GWAPT, …)  Experience with Electron, React or React Native  Participation in Bug Bounties, CTFs or similar activities  Mattermost 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.  

We’re looking for a Digital Experience & SEO Specialist (Web + SEO + Owned Channels) to manage and optimize our owned channels. You’ll be responsible for keeping our website fast, user-friendly, and conversion-optimized, while also driving growth through SEO and digital experience tools like Qualified, Navattic, and Wistia. You’ll partner with agencies, content, and design teams to deliver a best-in-class digital experience that fuels our demand engine. This role is ideal for someone who enjoys cross-team collaboration, has a keen eye for user experience, and is looking to grow their career in digital marketing. Responsibilities Manage CMS updates in WordPress: landing pages, blog posts, copy changes, template updates. Partner with cross-functional teams to manage different areas of the website across various user journeys. Collaborate with agencies on new site builds, localization, and SEO execution. Drive on-page SEO: metadata, keyword optimization, content tagging, SEMrush reviews. Own CRO and UX optimization (form fills, page load, navigation, chatbot experiences). Manage and optimize digital experience tools (Qualified chat, Navattic demos, Wistia embeds). Ensure analytics and tagging are accurate in GA4 and GTM in partnership with GTM Ops and the Performance Marketing Specialist. Support campaign launches with high-quality landing pages and seamless user experiences. Work within our Integrated Marketing Campaign (IMC) framework to ensure digital experiences are delivered on time, aligned to GTM priorities, and measurable against pipeline outcomes. Collaborate with other platform owners (e.g., 6sense, Pardot) to ensure consistent execution across channels. Manage company profile pages on review sites (G2, Capterra, etc.). Qualifications 2–4 years of B2B SaaS digital marketing, SEO, or web experience. Proficiency with CMS platforms (WordPress required; Webflow a plus). Familiarity with SEO tools (SEMRush, Ahrefs, etc.), Google Analytics, and Google Tag Manager. Basic HTML/CSS skills for troubleshooting and QA. Strong organizational skills and ability to manage multiple projects. Must be able to work with Eastern Time zone overlap. Team player who thrives in a collaborative, fast-moving environment. What We Value Creativity + curiosity – you’re agile, clever, and always looking for ways to improve UX and SEO. Collaboration – you thrive on working closely with content, design, and agencies. Judgment – you know when to hold firm to process and when to flex to keep things moving. Balance – you treat emergencies as the exception, but recognize when something truly is urgent. Openness – you thrive in an environment where ideas are shared freely and collaboration is the default. Ownership – you take responsibility for your work from build through QA and reporting. Mattermost takes a market-based approach to pay, and compensation may vary depending on your location in Canada. 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.