Security engineer in payments infrastructure

Evervault; Greater London; On-site; GBP 120,000 - 180,000; Full time

Benefits offered by this job

Stock options

Top-tier health insurance

Generous vacation

Flexible working hours

Job summary

Evervault seeks a Senior Security Engineer in London to shape the security posture of our modular payments platform. You will own vulnerability remediation, audits, and secure-by-default practices across applications and infrastructure.

Collaborate with engineers to design secure systems, implement PCI DSS controls, and support third-party security reviews while driving AI-assisted security and secure deployment pipelines.

Qualifications

• Strong engineering skills, capable of writing production code and delivering fixes end-to-end.
• Deep practical security expertise across applications and infrastructure.
• Hands-on PCI DSS experience and audits leadership.
• Comfort with AI-assisted security improvements and tooling.

Responsibilities

• Find and fix vulnerabilities in applications and infrastructure.
• Build security checks and tooling into development and deployment.
• Work with engineers on security decisions in product and system design.
• Own security audits and evidence collection, resolving findings.
• Explain controls clearly during customer security reviews.

Skills

Production coding

Application security

Infrastructure security

PCI DSS experience

AI-assisted security

Tools

Rust

Node.js

AWS

Terraform

Job description

Описание

Evervault offers modular payments infrastructure for companies building their own payments stack. We keep raw card data off your systems, cut PCI compliance work, improve acceptance, mitigate fraud and chargebacks and decrease your cost of payments, so you keep full control. Trusted by Ramp, Rippling, Modern Treasury and Overwolf; Series B, led by Ribbit Capital.

Задачи

Finding and fixing vulnerabilities in our applications and infrastructure Building security checks and tooling into how we develop and ship software Working with engineers on security decisions in product and system design Owning security and compliance audits, including evidence collection and resolving findings Handling customer security reviews and questionnaires, and explaining our controls clearly Setting how the security function works, through the code you ship and the practices you help the team adopt

Требования

Strong engineering skills: comfortable writing production code, investigating unfamiliar systems and taking a fix through to completion Deep, practical security expertise across application and infrastructure security Hands-on experience with PCI DSS Experience taking audits through to resolution You use AI daily and actively look for ways it can improve your work

Будет плюсом

Experience in card payments, particularly running or securing a cardholder data environment; Experience as a first or sole security engineer; A product company background before Series C; Rust, Node.js, AWS or Terraform (we care more about engineering ability than our exact stack)

Условия

• Competitive London Salary
• Stock options with an extended exercise window
• Full, top-tier health insurance
• Generous vacation and flexible working hours

Define the security function at a fast-growing payments infrastructure company, working closely with the engineers who build it