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- Tasks: Lead application security and design secure systems for a high-growth AI platform.
- Company: Confidential AI company backed by top investors, serving major tech clients.
- Benefits: Competitive salary, equity options, and a chance to shape security culture.
- Other info: Join a dynamic team with excellent growth opportunities and a modern tech stack.
- Why this job: Be the first Security Engineer and make a real impact from day one.
- Qualifications: Senior experience in security, with skills in Go, TypeScript, or React.
The predicted salary is between 110000 - 200000 £ per year.
Join a high-growth scale-up as their first Security Engineer, owning application security across a 60+ person engineering team. You will partner with product squads to build secure systems from the ground up for a platform used by Netflix, Airbnb, and Block. This is a foundational role with massive ownership and technical influence.
Location: London, UK
Why this role is remarkable:
- Foundational hire opportunity: As the first security-specific engineer, you will shape the entire security culture and function from day one without legacy debt.
- Elite backing and traction: Backed by Index Ventures and Insight Partners with $100M raised, serving 1,500+ top-tier tech companies globally.
- Product-driven engineering: Work in a high-trust, ex-Monzo leadership environment that values shipping daily and uses a modern Go and TypeScript stack.
What You Will Do:
- Lead application security by partnering with product teams to design and review features with security built in from the initial architecture phase.
- Identify and remediate vulnerabilities using both white-box code reviews and black-box penetration testing across applications, APIs, and GCP infrastructure.
- Build and implement pragmatic security tooling and automation that strengthens defenses without compromising the engineering team's high shipping velocity.
The ideal candidate:
- Senior or Staff-level experience with a deep track record in vulnerability research, penetration testing, and secure code review for modern web stacks.
- Hands-on proficiency in Go, TypeScript, or React, with the ability to influence design and implementation decisions directly alongside product engineers.
- Pragmatic approach to risk management within cloud environments (GCP), prioritising high-impact security improvements while maintaining a culture of rapid delivery.
Security Engineer (£110k-£200k + Equity) at $100M Series B AI a confidential company response p[...] employer: Jack & Jill
Contact Detail:
Jack & Jill Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Security Engineer (£110k-£200k + Equity) at $100M Series B AI a confidential company response p[...]
✨Tip Number 1
Get to know Jack! He’s your go-to AI for understanding what you bring to the table and what you want from your next role. Chat with him to make sure he highlights your strengths when talking to Jill.
✨Tip Number 2
Don’t just apply; engage! When you talk to Jack, share your passion for security engineering and how you can contribute to building secure systems. This personal touch can set you apart from other candidates.
✨Tip Number 3
Be proactive! If you see a role that excites you, don’t wait around. Jump on it by clicking 'Talk to Jack' and get the ball rolling. The sooner you connect, the better your chances!
✨Tip Number 4
Stay open-minded! If Jill doesn’t think you’re the perfect fit for this role, Jack can help you explore other fantastic opportunities. Trust us, he’s got your back in finding the right job!
We think you need these skills to ace Security Engineer (£110k-£200k + Equity) at $100M Series B AI a confidential company response p[...]
Some tips for your application 🫡
Tailor Your Application: Make sure to customise your CV and cover letter for the Security Engineer role. Highlight your experience with application security, vulnerability research, and any relevant tech stacks like Go or TypeScript. We want to see how you can fit into our high-growth environment!
Showcase Your Impact: When detailing your past roles, focus on the impact you've made. Did you implement a security tool that improved efficiency? Or perhaps you led a project that reduced vulnerabilities? We love seeing quantifiable achievements that demonstrate your influence.
Be Authentic: Let your personality shine through in your application. We’re looking for someone who not only has the skills but also fits into our culture of trust and collaboration. Share your passion for security and how you approach challenges in your work.
Apply Through Our Website: Don’t forget to apply through our website! It’s the best way to ensure your application gets to the right people. Plus, talking to Jack first can really help us understand your ambitions and match you with the perfect opportunity.
How to prepare for a job interview at Jack & Jill
✨Know Your Stuff
Make sure you brush up on your knowledge of application security, vulnerability research, and penetration testing. Be ready to discuss specific examples from your past experience, especially with modern web stacks like Go and TypeScript.
✨Show Your Pragmatic Side
This role requires a pragmatic approach to risk management. Prepare to talk about how you've balanced security needs with the fast-paced demands of engineering teams in previous roles. Highlight any tools or processes you've implemented that improved security without slowing down delivery.
✨Understand the Company Culture
Familiarise yourself with the company’s values and work environment. Since they value a high-trust, product-driven culture, think about how you can contribute to that ethos and be prepared to share your thoughts on building a strong security culture from the ground up.
✨Ask Insightful Questions
Prepare thoughtful questions that show your interest in the role and the company. Inquire about their current security challenges, the team dynamics, and how they envision the Security Engineer's impact on the overall product development process.