Vulnerability Research Engineer

About Us

The company helps devs and security teams ship faster by cutting out security busywork. Thousands of orgs use the company to safely find, audit, and manage open source code. Our customers - from Anthropic to xAI, and Figma to Vercel - love the company (just check out their tweets [link for members] to see for yourself!)

Founded by Feross Aboukhadijeh [link for members] a long-time open source maintainer with software downloaded over a billion times a month, the company has raised $ [link for members] in funding [link for members] from top angels, operators, and security leaders.

About the Role

Join the company to build and scale our patching infrastructure that delivers secure, vetted packages to developers worldwide. You’ll be at the forefront of supply chain security, creating patches for critical vulnerabilities and building the systems that help the entire open source ecosystem stay secure.

This role combines deep technical work with meaningful community impact that benefits the entire ecosystem. As an early member of the company team, you’ll help shape how we scale this technology across the JavaScript ecosystem and beyond.

What You'll Do

• Master the company workflows, tools, and patching processes

• Lead patching efforts for high-impact vulnerabilities across npm packages

• Scale patch production to dozens or hundreds of patches per week

• Help select and prioritize high-value patches

• Provide technical input on patch prioritization based on ecosystem and customer impact

• Build and improve automated patching infrastructure and tooling

• Design and implement scalable patch generation and delivery systems

• Develop automated vulnerability detection and patch creation workflows

• Build APIs and integrations to deliver certified packages

• Create tooling for patch quality assurance and testing

• Work with security researchers to understand and patch critical vulnerabilities

• Help shape the technical roadmap for expansion

• Give developers quick, safe remediation options for widely-used packages

• Help secure the software supply chain for millions of developers

What You'll Bring

Required

• 3+ years of software engineering experience with production systems

• Strong proficiency in Node.js, JavaScript, and TypeScript

• Experience with package managers (npm, yarn, pnpm) and the JavaScript ecosystem

• Understanding of software security concepts and vulnerability management

• Experience building and scaling APIs and data processing pipelines

• Familiarity with automated testing, CI/CD, and deployment systems

Preferred

• Experience with security tooling, vulnerability scanning, or patch management

• Knowledge of software supply chain security challenges

• Experience with other package ecosystems (Python, Go, Rust, etc.)

• Open source contributions or package maintenance experience

• Background in DevSecOps or security engineering

• Experience with high-throughput data processing systems

Our Interview Process

• Informational with a member from our Talent Team

• Hiring Manager Interview

• Take-home problem

• Internal review of take-home

• Live review of take-home

• Debrief

• Final Interview with Feross

• References

• Decision/Offer

Hiring is a big decision on both sides. Read more about our Hiring Philosophy [link for members] how we approach the process at the company.

Benefits: Our benefits are crafted to support you and your family, so you can take care of what matters most and thrive in and outside of work. We offer:

• Market competitive salary bands

• Meaningful equity program

• Comprehensive health benefits for you and your family (99% coverage)

• Flexible time-off, holidays, and winter shutdown to rest & recharge

• Paid parental leave

• Remote-first, with quarterly team off-sites

At the company, we

• Pursue Excellence: We set ourselves apart by consistently delivering work of exceptional quality and distinction.

• Move with urgency and focus: We prioritize swift, decisive action.

• Think rigorously: We care about being right and it often takes reasoning from first principles to get there. We value alternative perspectives and have constructive discussions.

• Trust and amplify: We overtrust, always assume good intent, and give specific feedback to help each other improve.

• Feel a strong sense of ownership: We wear many hats and feel a strong sense of overall ownership of the company and we're non-territorial regarding our nominal domains.

• Are customer obsessed: We relentlessly prioritize the needs of our customers, striving to exceed their expectations and delight them at every interaction.