Join Incident.io as our first Security Engineer to lead application security for a 60+ person product team. You will partner with engineers to design secure systems from the ground up, identifying vulnerabilities through white-box and black-box testing. This foundational role shapes the security culture at a rapidly scaling, high-trust engineering organization.
Security Engineer at Incident
Join Incident.io as their first Security Engineer and shape the security function of a $400M Series B startup from the ground up. Working alongside an elite engineering team (ex-Monzo) and backed by $100M from Index Ventures, you’ll lead application security for a platform used by Netflix and Airbnb. If you're a senior AppSec expert who prefers building and coaching over gatekeeping, this foundational role offers a £110K–£200K salary, meaningful equity, and a culture that ships daily. Help secure the future of AI-driven incident response in the heart of London.
Overview
Role overview
Company
Incident
Incident.io - Series B AI incident response platform backed by Index Ventures and Insight Partners.
Responsibilities
What you will do
- Partner directly with product teams to design and review features with security deeply integrated from the initial architecture phase.
- Identify and mitigate vulnerabilities using a mix of code reviews, architecture analysis, penetration testing, and automated fuzzing techniques.
- Implement pragmatic security tooling and automation across the CI/CD pipeline and GCP infrastructure to strengthen defenses without slowing delivery.
Candidate profile
Who this is a fit for
- Senior or Staff-level professional with a deep track record in application security, vulnerability research, or specialized red teaming.
- Hands-on experience with modern web stacks, specifically Go, TypeScript, React, and cloud security within Google Cloud Platform (GCP).
- Collaborative mindset that thrives when embedded in product teams, acting as a coach rather than a gatekeeper for secure coding practices.
What makes it remarkable
Why this role is remarkable
- Foundational hire opportunity to build the security function from scratch without inheriting tech debt or rigid legacy processes.
- Join a high-growth Series B startup that has raised $100M from world-class investors like Index Ventures and Insight Partners.
- Work within a high-trust, ex-Monzo leadership culture that prioritizes shipping quality product daily and values engineering excellence.
Jack & Jill
How Jack & Jill work together
Meet Jack
Jack gets to know what you're great at and what you want next, then searches 14 million jobs daily and introduces you directly to hiring managers.
How does this work?
Jack's an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack's network.
If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.