Back-end Engineer, Security

Job not on LinkedIn

🕒 September 23

🇬🇧 United Kingdom – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 35%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Trigger.dev

WebsiteLinkedInAll Job Openings

1 - 10 employees

Founded 2022

💼 Consulting

📦 Logistics

📣 Marketing

Consulting • Logistics • Marketing

Trigger. dev is a developer-focused platform for building and running AI-driven workflows and long-running background tasks in TypeScript (with Python support). It provides durable cron schedules, queues and concurrency controls, automatic retries, observability and real-time streaming to frontends, plus tooling for building autonomous AI agents with tool-calling and human-in-the-loop capabilities. Offered as an open-source, self-hostable solution and a managed SaaS with SDKs and integrations, it targets teams that need reliable, scalable orchestration of asynchronous jobs and LLM-based workflows.

📋 Description

• 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

• 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

• 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