Senior Product Security Engineer

Secure our applications, improve our security posture, and integrate security into the software development lifecycle

Location

Hybrid [London] or Remote [UK]

Salary

£95,000 - £130,000

Attio is on a mission to redefine CRM for the AI era.

We’re building the first AI-native CRM — designed for the most ambitious go-to-market teams. Backed by top VCs including Redpoint, Balderton, and Point Nine, our team thrives on solving complex technical challenges, delighting our users, and setting a new standard for the industry.

About the role

Our Engineering team tackles the toughest challenges, so our users never have to. Real-time infrastructure, AI-native architecture, and a frontend that feels effortless - all powered by a team that moves fast, thinks rigorously, and holds an exceptionally high bar for quality.

We’re looking a Senior Product Security Engineer who thrives on complexity, builds for scale, and wants to help reinvent how millions of people work.

What you'll do

  • Work together with Product Engineers and Site Reliability Engineers to keep the Attio product and customer data secure

  • Catch security bugs through testing, scanning, and code reviews before they hit production

  • Facilitate and participate in penetration testing projects

  • Build and maintain a comprehensive threat model for various Attio applications

  • Protect Attio code from supply chain attacks

What you'll bring

  • Experience securing Web applications, REST APIs, and cloud-native architectures

  • Proficiency in threat modelling and finding security flaws in source code

  • Experience with vulnerability management and supply chain security

  • Practical understanding of cryptography, key management, and data protection

  • Strong coding and automation skills, especially in building security into CI/CD pipelines

  • Experience with TypeScript, Node.js, or Pulumi is a nice to have

What we offer

  • Competitive salary of £95,000 to £130,000

  • Equity in an early-stage tech company on an incredible trajectory

  • 25 days holiday plus local public holidays

  • Apple hardware

  • Private medical insurance through AXA

  • Pension contribution through Hargreaves Lansdown

  • Enhanced family leave

  • Team off-site in fun places! (We've been to Barcelona, Lisbon, Malta, and Split so far)