Security Engineer

🕒 June 10

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Primer

WebsiteLinkedInAll Job Openings

51 - 200 employees

💳 Fintech

Fintech • Payments

Primer is a company that offers a unified payment infrastructure, enabling businesses to streamline and optimize their payment processes. With its advanced technology, Primer provides solutions for managing payments, boosting conversion, enhancing payment success rates, and creating seamless checkout experiences. The platform is designed to give businesses the flexibility to integrate and customize their payment stack easily, connect with multiple payment services, and deploy fraud prevention tools. Primer aims to accelerate global growth for companies by simplifying payment operations, reducing fraud, and enhancing customer experiences.

📋 Description

• Running security reviews and threat modelling on features and systems across Primer's product, and turning findings into clear, actionable guidance for the teams shipping them • Independently planning and delivering your own security projects, from initial design through to rollout • Building tooling and automation that makes future reviews faster and cheaper to run • Coordinating penetration testing and tracking remediation through to closure • Supporting the recurring compliance work (SOC2, PCI), including evidence collection and remediation tracking against fixed audit windows • Contributing to AppSec roadmap initiatives across areas like application threats, AI security, supply chain security, and ASPM • Picking up proactive security work, threat research and hands-on investigation, that a one-person function has never had the capacity for • Working alongside Cloud, Infra, and GRC on the security aspects of their projects

🎯 Requirements

• Working experience in product or application security: you've done security reviews or threat modelling and can spot the risks that matter • The ability to read and write code, not just review it. You're comfortable building small tools and automation rather than only filing findings • Sound judgement about risk. You can weigh a real threat against a theoretical one and explain your reasoning clearly • The ability to plan and deliver your own work independently once you understand the direction, while knowing when to pull in the senior engineer • Clear communication with engineers who aren't security specialists, since most of your impact lands through their work • Nice to have: Exposure to compliance frameworks like SOC2 or PCI, or genuine appetite to learn them • Nice to have: Background in payments, fintech, or another regulated, high-stakes domain • Nice to have: Interest in areas like supply chain security, detection engineering, or AI security

🏖️ Benefits

• Competitive share options • Uncapped holiday, with 25 days minimum to be taken • Co-working space access • Workations & Company Retreat • The best equipment for your role • £500 towards your home office setup • Generous learning budget • Private Medical Insurance • A broad set of additional perks and benefits (*depending on location)