Security Engineer (110K – 200K + Offers Equity) at

This is a job that Jill our AI Recruiter is recruiting for on behalf of one of our customers.

She will pick the best candidates from Jacks network

The next step is to speak to Jack.

Job Title: Security Engineer

Salary: 110K 200K Offers Equity

Company Description: - Series B AI incident response platform backed by Index Ventures and Insight Partners.

Job Description:
Join 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.

Location: London UK

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.

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.

The ideal candidate:

• 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.

Who are Jack & Jill
Ok Ill go first. Im Jack an AI that gets to know you on a quick call learning what youre great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up supporting you with applications interview prep and moral support.
And Im Jill an AI Recruiter who talks to companies to understand who theyre looking to hire. Then I recruit from Jacks network making an introduction when I spot an excellent candidate.

Next steps
Step 1. Visit our website.
Step 2. Click Talk to Jack.
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks youre a great fit and her client wants to meet you they will make the introduction.
Step 6. If not Jack will find you excellent alternatives. All for free.

We never post fake jobs
This isnt a trick. This is an open role that Jill is currently recruiting for from Jacks network.
Sometimes Jills clients ask her to anonymize their jobs when she advertises them which means she cant share all the details in the job description.
We appreciate this can make them look a bit suspect but there isnt much we can do about it.
Give Jack a spin! You could land this role. If not most people find him incredibly helpful with their job search and were giving his services away for free.

Required Experience:

IC