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Job listing

London, United Kingdom£80k-£95k

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.

Overview

Role overview

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.

Company

About the company

High-growth cybersecurity SaaS

Responsibilities

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.

Candidate profile

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.

What makes it remarkable

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.

Jack & Jill

How Jack & Jill work together

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Jill
I recruit from Jack’s network and make the intro when I spot a great match.

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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.

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