Senior Application Security Engineer

• 6+ years of experience building and securing software, including hands-on product or application security experience. - Experience securing modern backend systems, web applications, and APIs. - Experience performing threat modelling, security design reviews, and vulnerability assessment. - Experience securing JavaScript-based applications across web and/or mobile (Node.js, React, React Native preferred). - Strong coding skills, with the ability to work directly with engineers to identify and fix vulnerabilities or build secure solutions. - Solid understanding of the modern web and mobile security landscape, including common attack vectors and mitigations. - Strong communication skills, with the ability to influence engineering decisions and collaborate effectively in a remote environment. - Self-driven and proactive, comfortable operating in a high-autonomy, distributed team. - Alignment with our mission and values. Timezone: Most timezones will work. Regardless of where you are, some overlap with EU and US-Pacific time zones will be necessary. Responsibilities

• Determine the root cause and severity of vulnerabilities reported to us through our bug bounty platform. - Interface with ethical hackers, triage reports, and guide product engineering teams to resolution. - Document identified vulnerabilities in a way that allows for our engineering team to take quick action. - Write code to support the development of security engineering projects, or fix vulnerabilities in MetaMask client applications. This includes the development of AI tooling for vulnerability determination and resolution in order to keep pace with the changing AI-powered vulnerability detection landscape. - Assess potential security vulnerabilities within our applications, and work with development teams to ensure remediation in our established SLAs. - Support product teams as they develop new features by conducting design reviews, threat modeling, security testing, and code reviews. - Identify gaps in MetaMask’s secure software development life cycle (SSDLC), and take initiative leading efforts to address them. - Participate and contribute to team meetings, roadmap planning, and discussions. - Validate that security patches address reported vulnerabilities and test for any potential bypasses

• Proactively prevent future occurrences of a vulnerability through developing automation, security controls, and educating developers. - Pave your own path in how you want to make MetaMask more secure. Don't meet all the requirements? Don't sweat it. We’re passionate about building a diverse team of humans and as such, if you think you've got what it takes for our chaotic-but-fun, remote-friendly, start-up environment—apply anyway, detailing your relevant transferable skills in your cover letter. While we have a pretty good idea of what we need, we're ready for you to challenge our thinking on who needs to be in this role. It is a requirement of employment in this position that applicants will be required to submit to background checks including but not limited to employment, education and criminal record checks. Further details will be provided to applicants that successfully meet the criteria for the position as determined by the company in its sole discretion. By submitting an application for employment, you are acknowledging and consenting to this requirement. The salary range for US-based candidates only will be determined throughout the interview process depending on experience and skills.

US pay range (not including bonus, equity or other benefits)

$130,000—$218,000 USD

In the rapidly evolving Web3 space, we believe that everyone is a builder. This expansive paradigm requires a range of backgrounds, talents, skills, and experiences to influence and shape the future. At Consensys, this diversity fuels our ability to shift control and redefine the realm of possibility. We are committed to ensuring that our technology empowers people and communities with economic and political agency through decentralized technologies. We welcome the range of perspectives and differences and celebrate them. We're excited to see how your unique skills as a builder can contribute to our vision, drive innovation, and help us shape a more inclusive Web3. All employment decisions are made without regard to race, color, national origin, ancestry, sex, gender, gender identity or expression, sexual orientation, age, genetic information, religion, disability, medical condition, pregnancy, marital status, family status, veteran status, or any other characteristic protected by law. Consensys is aware of fraudulent recruitment practices and we encourage all applicants to review our best practices to protect yourself which can be found (https://consensys.io/careers/best-practices-to-avoid-recruitment-fraud/).