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Confidential company, Engineering

Frontend Engineer at well-funded AI productivity startup

Location
Remote
Compensation
Not Disclosed

Join a high-intensity founding team building the next generation of AI-powered desktop tools for knowledge workers. We are looking for a performance-obsessed engineer to architect a dynamic, adaptive interface from scratch—turning complex agent workflows into a seamless, low-latency experience.

If you have deep frontend fundamentals and want to work alongside veterans from world-class tech firms on a well-funded mission, this is your chance to own the stack and shape a product culture from day one.

What's the next step?

Confidential company are hiring from Jack's network. Talk to Jack for free and get a direct introduction to the team, if a good fit.

Role overview

As a founding-team member, you will build a high-performance desktop application that empowers knowledge workers through advanced AI workflows. You will architect dynamic interface systems that adapt to complex agent outputs, ensuring a seamless, low-latency experience on diverse hardware. This role involves owning state management, streaming capabilities, and foundational frontend architecture.

About the company

Well-funded AI productivity startup

What you will do

  • Architect and build an adaptive frontend system that renders dynamic components based on real-time AI agent outputs.
  • Implement a robust state management layer and streaming infrastructure for multi-turn, agentic conversational interfaces across process boundaries.
  • Optimize application performance for low-spec hardware to ensure a snappy user experience on standard corporate laptops.

Who this is a fit for

  • Deep mastery of frontend fundamentals and rendering models with a focus on high-performance web and desktop technologies.
  • Proven experience building complex state management systems and abstractions that survive radical product evolutions and architectural shifts.
  • A performance-as-a-craft mindset, capable of debugging from flame graphs and optimizing rendering cycles for maximum responsiveness.

Why this role is remarkable

  • Shape the core architecture of a high-intensity startup from the ground up as a founding engineer with significant influence.
  • Work alongside a veteran team with successful exits and leadership experience at top-tier global technology firms.
  • Access a high-ownership environment with meaningful equity and the opportunity to define the future of human-AI desktop interaction.

How Jack & Jill work together

Jack
I get to know what you’re great at, then find roles you’d never find yourself.
Jill
I recruit from Jack’s network and make the intro when I spot a great match.
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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.

What happens next?

  1. Jack’s an AI agent for job searching and career coaching. He works for you.

  2. Jill is the AI agent for hiring, working for the company. She recruits from Jack’s network.

  3. 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.

Learn about Jack