# Senior Security Engineer at Hyperexponential

Hyperexponential is hiring a Senior Security Engineer in London, United Kingdom. Level rates it Little AI ●○○○; you can [apply on Level](https://jobsbylevel.com/go/d0391b87-5da2-48fa-8517-ab6f4942c55c?utm_medium=ai-agent).

AI Level 1, AI centrality 19 out of 100. Remote (London (hybrid)).

## Details

- Company: [Hyperexponential](https://jobsbylevel.com/companies/hyperexponential)
- AI level: AI Level 1 (score 19 out of 100)
- Location: Remote (London (hybrid))
- Posted: October 13, 2026
- Apply: https://jobsbylevel.com/go/d0391b87-5da2-48fa-8517-ab6f4942c55c?utm_medium=ai-agent

## Prepare for this job

The job page lists 2 likely interview questions for this offer, with a CV checklist: https://jobsbylevel.com/jobs/senior-security-engineer-at-hyperexponential-7cb19e

## Description

Hi 👋 I’m Nitesh, Engineering Manager at hyperexponential. I'm one for the career mentors in the Product Foundations stream. We tackle the fundamental problems every product team at hx runs into, so the vertical streams can focus on building features for customers. Right now that means deployments, observability, security, AI observability tooling and a permission service that other value streams will build on. I’m hiring a Senior Security Engineer to join us as our second security hire. The foundations are already in place. We’ve chosen and implemented our tooling, and our repositories and cloud environments are onboarded. The next step is shaping how security actually works here. This won’t be a traditional, hierarchical security function. Our engineers go straight to the person who owns an issue and ask them to fix it, and you’ll help define what security looks like in that model. There’s no established playbook for this yet, which is what makes it exciting. If that sounds like your kind of challenge, I’d love to hear from you. About hyperexponential (hx) At hyperexponential, we're building the AI-powered platform that enables the world's most critical decisions in a £7 trillion industry, which risks to take, and how to price them. These are the decisions that shape real-world outcomes: whether rockets successfully launch into space, autonomous vehicles make it to market, or communities recover after major storms. Until now, insurance has been making billion-pound decisions using outdated tools. We're changing that. Our platform brings together data, AI, and human expertise to give insurers the fastest path from submission to decision - helping them move faster, act smarter, and take on more risk with confidence. Backed by a16z, Highland Europe, and Battery Ventures, we're scaling globally - already trusted by nearly 50 of the world's largest insurers, with zero churn and billions in premiums flowing through hx. What began as a single product in one market has rapidly evolved into a multi-product, multi-territory platform powering every stage of pricing and underwriting. AI is at the core of what we do - from building the world's first domain-specific AI peer programmer for insurance (think GitHub Copilot with a PhD in actuarial science) to shaping agentic workflows that reinvent how this industry operates. What makes hx different is the people who build it. Here, impact isn't tied to title or tenure; it's defined by the challenges you take on and the discipline you bring. Surrounded by peers who stretch you, you'll do the best, hardest work of your life in a company engineered to endure. If that sounds like you, join us in building what comes next. About the Security function The Security function's mission is to safeguard the integrity, confidentiality, and availability of our customers' data and hx's systems. By fostering a culture of vigilance, risk mitigation, and continuous improvement, we maintain the highest standards of security excellence. Security at hx underpins every product and every customer interaction. As we scale our multi-product platform globally and adopt AI across the business, the team ensures that innovation and growth are matched with rigorous security practices. We design controls, shape culture, and guide decisions that protect our business, our customers, and the wider industry. As a Senior Security Engineer, you’ll be the second engineer in our security team, working directly alongside our Staff Security Engineer. The foundations are in place, with our core tooling chosen, rolled out and onboarded across our repositories and cloud environments. Much of how security works at hx is still to be built, though, so you’ll have real autonomy to shape it, with a direct line to the teams who own the issues you find. You’ll strengthen hx’s security posture by driving continuous improvement across our technical teams: owning security reviews, running and extending our security tooling, and turning

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