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Jack & Jill · London, England, United Kingdom

Founding Designer / Design Engineer at well-funded agentic AI startup

full timePosted 28 days ago
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Stack mentioned

agentic-aireacttypescriptreact-native

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers.

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Designer / Design Engineer

Salary

Not Disclosed

Company Description

Well-funded agentic AI startup

Job Description

As a founding hire, you will bridge the gap between complex agentic systems and human users. You'll own the entire product surface, crafting a calm, magical user experience while shipping production-ready code. This is a high-velocity role focused on building trust through exceptional UI/UX in the next era of workplace collaboration.

Location

London, UK or San Francisco, USA

Why this role is remarkable

- Join a founding team of Oxford-educated experts and industry veterans building the operating system for the agentic era.

- Work at a startup backed by top-tier VCs with a rapidly growing waitlist of over 100 companies and active enterprise procurement.

- Influence every product decision in a high-trust, discipline-agnostic environment where your design and engineering contributions carry massive weight.

What You Will Do

- Build and ship the product surface end-to-end using React and React Native while maintaining a sophisticated design system.

- Conduct UX research with design partners to translate behavioral insights into polished, functional features that drive user trust.

- Lead product growth initiatives by analyzing metrics to optimize onboarding, virality, and time-to-value for a global user base.

The ideal candidate

- A multidisciplinary designer-engineer with strong TypeScript and React skills who can ship production code, not just static prototypes.

- Exceptional aesthetic taste with professional experience across brand identity, motion design, and growth-focused product design.

- High agency individuals who thrive in in-person, high-velocity environments and have a background in human-computer interaction or early-stage startups.

Who are Jack & Jill?

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.

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.

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.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.

Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.

We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

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