Founding Engineer

Company: Understanding Recruitment
Apply for the Founding Engineer
Location: London
Job Description:

Overview

In this founding frontend role, you will own the end-to-end user experience of a cutting-edge AI-native product. You’ll shape interfaces, UX, and frontend architecture as the third engineering hire, partnering with a small, fast-moving team to deliver a category-defining product. You’ll influence product direction and work on high-performance, real-time interfaces that empower knowledge workers. This is a high-ownership opportunity at an well-funded startup on a mission to transform how people think and work with AI.

Pay / Benefits

  • equity
  • competitive salary up to 160k
  • onsite in London
  • well-funded with long runway

Responsibilities

  • Build high-performance, real-time AI-native interfaces
  • Craft intuitive UX for complex autonomous workflows
  • Develop frontend systems using TypeScript & React
  • Create product experiences users genuinely love
  • Influence product direction, interaction design, and frontend architecture

Key requirements

  • Experience on developer tools, web-based IDEs, or highly interactive products
  • Built customer-facing or prosumer applications
  • Strong product intuition and UX/UI focus
  • Experience operating in fast-moving startup environments
  • Desire to own frontend strategy beyond ticket implementation
  • ownership mentality
  • strong product sense
  • ability to operate in ambiguity
  • TypeScript
  • React
  • AI-native workflows & tooling

…

Posted: October 1st, 2026