Application Security Engineer (Fintech)

TL;DR

Application Security Engineer (AppSec/Fintech): Ensuring code resilience by design and automating security tooling within CI/CD pipelines with an accent on AI-assisted development security and cloud-native hardening. Focus on implementing SAST/DAST/SCA, conducting threat modelling, and securing AWS/GCP Kubernetes environments.

Location: Hybrid in London (Work from home Mondays and Fridays, in-office Tuesday-Thursday)

Company

Fintech unicorn building advanced technology to help people access credit and save money across the UK and US markets.

What you will do

• Integrate and automate SAST, DAST, and SCA tooling directly into CI/CD pipelines to prevent vulnerabilities in production.
• Act as a Subject Matter Expert (SME) to assist engineering teams with the remediation of security vulnerabilities.
• Design and implement security guardrails for AI-assisted development and LLM integrations to prevent prompt injection and model leakage.
• Partner with Product and Engineering teams to conduct threat modelling sessions for new features.
• Consult on infrastructure and application design to ensure AWS/GCP Kubernetes environments remain hardened.
• Cultivate a Secure Development guild to elevate secure coding skills across the engineering organization.

Requirements

• Strong AppSec expertise with the ability to identify critical security risks in code and provide remediation strategies.
• Deep experience securing AWS/GCP environments and containerized workloads.
• Understanding of unique security risks and experience securing AI-driven workflows.
• Ability to translate complex technical vulnerabilities into business risks for stakeholders.
• Must be based in or able to commute to the London office Tuesday through Thursday.

Culture & Benefits

• Hybrid work model: remote on Mondays and Fridays, in-office on other days.
• Best-in-class compensation including equity.
• Fresh, healthy lunches prepared by in-house chefs in the office (Tuesday-Thursday).
• Private health insurance covering both physical and mental well-being.
• Inclusive and open workspace environment in the heart of London.