Jack & Jill logo

Commercial Co-Founder at well-funded climate tech venture

Jack & Jill
Department:Sales & Business
Type:REMOTE
Region:UK
Location:United Kingdom
Experience:Mid-Senior Level
Skills:
COMMERCIAL STRATEGYCUSTOMER DISCOVERYFUNDRAISINGB2B SALESPARTNERSHIPSCOMMUNICATIONSTARTUP EXPERIENCE
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Job Description

Posted on: August 23, 2026

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

Commercial Co-Founder

Salary

Not Disclosed

Company Description

Well-funded climate tech venture

Job Description

Partner with a technical founder to build and scale a high-impact climate tech startup from inception. You will lead commercial strategy, customer discovery, and fundraising for a breakthrough circular economy platform. This role offers a unique opportunity to shape the commercial trajectory of a science-led venture backed by a global venture creator.

Location

Remote

Why this role is remarkable

  • Join a high-impact venture at the earliest stage as a majority-equity co-founder.
  • Backed by a top-tier venture creator with a proven track record of scaling deep-tech companies.
  • Strategic pre-seed capital and structured support provided to de-risk the zero-to-one journey.

What You Will Do

  • Lead customer discovery and validate market demand to secure early commercial proof points.
  • Build strategic partnerships across the supply chain, including suppliers, distributors, and brand owners.
  • Own the fundraising process and investor relations from company formation through Series A.

The ideal candidate

  • Proven experience in a 0-to-1 startup environment, ideally as a founder or early commercial leader.
  • Strong background in industrial B2B sales, fundraising, and navigating complex regulatory environments.
  • Exceptional communicator capable of bridging the gap between deep science and commercial viability.

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.

Originally posted on LinkedIn

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