Top Cybersecurity Jobs in London

Lead product security work across Vercel: threat modeling, secure code reviews, open-source and supply-chain security, SDLC tooling and automation, bug bounty triage, cross-team security projects, and customer-facing security support to embed security across development and platform operations.

Perform deep security assessments of open source framework internals (routing, middleware, caching, build tooling), find and fix systemic vulnerability classes, own disclosure/CVE processes, triage and run OSS bug bounty reports, build preventive tooling (linters, codemods, CI), and harden supply chain practices for Vercel-maintained projects.

Embedded senior security engineer owning end-to-end security for v0: proactively find and fix vulnerabilities, build security features (sandboxing, isolation, permission boundaries), review launches, manage HackerOne reports, refine threat models, harden code execution, and respond to v0-specific incidents while shipping product features alongside the team.

Detect, investigate, and respond to security incidents; maintain logging and SIEM operations; build detections and visibility; support PCI/SOC2/ISO audits; manage endpoint, email, and GitHub security; collaborate across teams and improve on-call and security tooling.