CareerPlan

Security Engineer

LondonFull-time2026-10-23 → 2026-11-09
HybridNo visa sponsorship

Core

Building application security, infrastructure security, and security tooling for a payments infrastructure platform while managing audits and customer security reviews.

Role type

Individual contributor security engineer (platform group)

Builds

Security checks, tooling, and production code for application and infrastructure security

Domain

Fintech / Payments infrastructure

Required skills

Application security, Infrastructure security, PCI DSS compliance, Security auditing, Vulnerability management, Security tooling development, Engineering (production code), Customer security review management

Preferred skills

Card payments experience, First/sole security engineer experience, Product company background, Rust, Node.js, AWS, Terraform

Responsibilities

Finding and fixing vulnerabilities in applications and infrastructure, Building security checks and tooling into development and shipping processes, Working with engineers on security decisions in product and system design, Owning security and compliance audits, Handling customer security reviews and questionnaires

Seniority

Individual contributor, shaping the security function