As a Senior Full Stack Engineer, you will drive the development of high-performance security products using TypeScript across the entire stack. You will build scalable features, optimize cloud infrastructure on AWS, and collaborate on complex architecture. This is a hands-on role focused on technical excellence and delivering robust solutions in a fast-paced environment.
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Senior Full Stack Engineer at High-growth cybersecurity SaaS
Are you a TypeScript expert looking to build mission-critical security tools? Join a well-funded cybersecurity startup in London and take ownership of high-performance features across a modern AWS stack. This is a rare opportunity to join a fast-scaling engineering team where your technical contributions directly impact global digital safety.
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This role is no longer actively hiring, but Jack can still help you discover similar open roles that fit.
Location
London, United Kingdom
Compensation
£80k-£95k
Company
Confidential company
Role overview
About the company
High-growth cybersecurity SaaS
What you will do
- Architect and implement end-to-end features using TypeScript, React, and Node.js.
- Manage and optimize cloud-native services within an AWS ecosystem to ensure high availability.
- Collaborate with product and design teams to translate complex security requirements into seamless user experiences.
Who this is a fit for
- Deep expertise in TypeScript with professional experience building production-grade applications in React and Node.js.
- Proven track record working with AWS services and modern CI/CD pipelines in a cloud-first environment.
- Strong problem-solving skills and the ability to own technical projects from initial concept through to deployment.
Why this role is remarkable
- Work at the forefront of the cybersecurity sector building mission-critical tools that protect global infrastructure.
- Join a well-funded startup backed by top-tier VCs with significant runway and a clear path to scale.
- Influence technical decisions and architecture within a high-calibre engineering culture that values innovation and speed.
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're 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.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
Meet Jack
What happens next?
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 your profile’s a match and Confidential company wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.