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Job listing

London, United KingdomNot Disclosed

Full Stack Engineer at Mission-driven safety tech startup

Join a mission-driven safety tech startup building a world-first safe mobile platform to protect millions from digital harm. As a Full Stack Engineer, you’ll work alongside a world-class team from Google and Vodafone to architect and ship critical safeguarding tools using a modern stack of TypeScript, React, and Kotlin Multiplatform. This is a unique opportunity to use your engineering skills for profound social impact while scaling a platform backed by top-tier global investors in a $50B+ market. If you are a pragmatic, fast-moving engineer who cares about building technology that saves lives, this is the career-defining role for you.

Overview

Role overview

You will lead the development of a world-first safe mobile platform, replacing traditional telecommunications with intelligent safeguarding software. Working directly with the CTO, you will build and scale web and mobile applications that protect millions from digital harm using AI-driven detection and device-level controls across a modern TypeScript-based stack.

Company

About the company

Mission-driven safety tech startup

Responsibilities

What you will do

  • Develop and maintain a full-stack platform including real-time web apps, mobile apps, and backend services.
  • Design and implement frontend experiences across web and mobile using React and Kotlin Multiplatform.
  • Build and optimize backend services using Hono, Postgres, and AWS to power high-scale network controls.

Candidate profile

Who this is a fit for

  • Extensive experience as a senior engineer or technical lead building quality products in lean, fast-moving teams.
  • Strong proficiency across the stack, particularly with TypeScript, React, and modern backend architectures.
  • Driven by real-world impact and the craft of shipping clean, reliable architecture for complex social challenges.

What makes it remarkable

Why this role is remarkable

  • Work on technology that directly protects vulnerable individuals and children from digital harm at a global scale.
  • Join a well-funded company backed by top-tier global investors with strong market traction and revenue.
  • Collaborate with a world-class engineering team composed of alumni from leading global tech and safety organizations.

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