Back-end Engineer, Security

Trigger.dev

. Design and maintain secure execution environments isolating untrusted user code .

Posted 9/23/2026full-timeRemote • United KingdomMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing secure execution environments and leading incident response investigations, with a strong focus on vulnerability management and compliance activities. Proven ability to enhance security practices within engineering teams and contribute to open source projects.

Highest-signal resume keywords

Backend Engineering ExperiencePenetration TestingVulnerability ManagementAI-Assisted Security ToolingOpen Source Contribution

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Vulnerability ScanningPen TestingBug Bounty HuntingSecure Code ReviewContainer SecurityMicroVMsGVisorFirecrackerNode.jsTypeScript

Soft Skills

Proactive MindsetComfort with AmbiguityOn-Call Readiness

Tools & Technologies

AI-Assisted ToolingSOC 2 ComplianceSecurity MonitoringAlerting Systems

Industry Keywords

Incident ResponseExecution EnvironmentsOpen Source CommunitySecurity Practices

Tech Stack

Tools & technologies

JavaScriptNode.jsOpen SourceTypeScript

About the role

Key responsibilities & impact

Design and maintain secure execution environments isolating untrusted user code
Build monitoring and alerting for suspicious activity
Lead incident response investigations
Perform vulnerability scanning, triage, quarterly AI-assisted security scans, and triage incoming disclosures
Run internal AI-assisted penetration testing and potentially coordinate external security firms
Add a security-specific review layer to the pull request process
Maintain SOC 2 and compliance activities
Own the vulnerability disclosure program end to end
Help engineering teams develop secure habits through reviews, documentation, and pragmatic guardrails
Help customers, review pull requests, and create issues in the open source community
Write documentation
Create content such as code examples, blog articles, videos, and tweets

Requirements

What you’ll need

Real backend engineering experience designing and shipping production backend systems
Genuine offensive-security curiosity, including pen testing, CTFs, bug bounty hunting, or hacking
Comfort owning ambiguous, product-shaped security problems
Proactive mindset
Comfortable being on call
Open to in-person events throughout the year
Experience building or hardening sandboxed/isolated execution environments, such as containers, microVMs, gVisor, Firecracker, or WASM sandboxes
Track record in pen testing, bug bounty programs, or CTFs
Experience using AI-assisted tooling for security scanning or workflows
Proven track record contributing to open source projects
Experience at a developer tools, infrastructure, or open source company
Experience with Node.js and TypeScript sufficient to read and review application code

Benefits

Comp & perks

Equity so everyone is invested in the company's success
Async working
Home office equipment support
25 days vacation excluding national holidays
Sick leave
Generous parental leave
Annual training budget for books, Audible subscription, or online courses
Company pension scheme or contributions to a private pension