Senior Application Security Engineer

About the Role

MetaMask has experienced explosive user growth over the past year as a cryptographic key manager and web3 application development platform. As this user base continues to grow, an immense amount of trust is being placed in MetaMask as a tool that manages and wields their digital authority, controlling assets, identities and more. It is of highest importance to us that we keep our users as safe and secure as possible.

We are looking for a Senior Application Security Engineer to join our rapidly growing security team to help embed security into all phases of the software development lifecycle. You would work closely with development teams and product managers to ensure MetaMask products are designed and implemented to the highest security standards. Consenys’s application security team primarily supports MetaMask with opportunities to expand to additional products in the Consensys family.

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.

Requirements

• 6+ years of experience building and securing software, with at least 4 years in a product security, or application security position.
• Experience securing server-side applications and environments.
• Experience performing security design reviews, threat modeling, or security testing.
• Enthusiasm for writing code, and helping others do the same.
• Experience securing web applications & APIs
• Solid written and verbal communication skills.
• Proactiveness and be self-driven to be successful working in a remote environment.
• Relevant knowledge of modern web and mobile app security landscape, real-world attacks and mitigations.
• A belief in 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.

Nice to have:

• Experience working as a software developer.
• Familiarity with the Ethereum blockchain and Decentralized Applications.
• You’re a MetaMask user!