Senior Security Engineer (London, Hybrid)

📋 Description

• Contribute to day-to-day product development as a senior engineer: designing, writing, reviewing
• Own the security dimension of engineering work: lead threat modelling on new features and
• Own and improve the security of our AWS estate: IAM design, network segmentation, secrets
• Build security into the development lifecycle: dependency and vulnerability management, CI/CD
• Design and build product security features where the domain demands them: audit integrity, tamper
• Lead the technical side of incident response: detection, investigation, and remediation, and the

🎯 Requirements

• Five or more years as a software engineer, with substantial time spent in security-focused work —
• Strong backend development experience. Go strongly preferred; deep experience in a comparable
• Demonstrable, hands-on ownership of cloud security in a production AWS environment. You should be
• Threat modelling as a practised discipline rather than an occasional exercise — and the ability to
• Practical experience with application security: you can find, exploit, and fix the vulnerabilities
• Comfort working in a small team where you will be the security depth, without a larger security

🎁 Benefits

• Competitive salary, benefits, and commission
• Equity as an early-stage startup