Founding Product Designer

About the Position

Founding Product Designer

London, United Kingdom

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About Kernel

Agents are starting to sell, buy and operate on behalf of companies. But before an agent can close a deal, qualify an account, route a lead or assess risk, it has to answer a basic question: which company is this?

Today, that answer is messy, and no one answers it reliably. Business identity lives across CRMs, ERPs and third-party datasets full of duplicates, missing parent companies, stale addresses and incorrect enrichment. The cost shows up across the enterprise: sales teams miss revenue opportunities because they lack the right account context; operations teams take on avoidable exposure because risk signals are fragmented or wrong; and finance teams end up chasing, writing off, or defaulting on bad debt that should have been caught earlier.

Humans have worked around that mess for years. Agents cannot. They need a reliable business identity layer they can trust.

Kernel is building that layer: the business registry for agents. We issue a permanent KERN ID for every business, plus the context an agent needs to act on it. Ops, data and revenue teams at Gong, Legora, Mistral, Canva and Checkout already use Kernel on their own systems. Agents are next, and there will be far more of them.

We have raised $14M from top VCs and operators at Plaid, OpenAI, Slack and others, and we are growing 5x YoY.

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The Role

You’ll be Kernel’s Founding Product Designer, shaping how people experience Kernel and building a product they’ll love to use.

Your mission: simplify complexity. Make a powerful product feel effortless: clearer workflows, sharper mental models, fewer decisions, more confidence.

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Responsibilities

• Own core UX end-to-end: flows, IA, interaction design, and visual craft.
• Run ground-truth discovery: lead user interviews, synthesize fast, turn insight into shipped changes.
• Prototype quickly: use whatever gets to a high-signal prototype (Figma, v0, Figma Make, code, etc.).
• Ship with engineering + PM: tight loops, high quality in production, iterate fast.
• Build the design foundation: principles, patterns, lightweight system - without slowing the team down.
• 5% “other stuff”: occasional help with decks/narrative when it moves the business.

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Requirements

• Founding designer experience is a plus, but not a requirement - what matters most is that you have early-stage startup experience and can point to tangible examples of transforming a business through design.
• You’ve shipped meaningful product work and can walk through decisions + outcomes.
• You’re strong at simplifying complexity (not just polishing UI).
• You can run discovery independently and get to the truth.
• You move fast, communicate clearly, and collaborate tightly with engineers.
• You have taste and execution: prototype → production details.

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What We Offer

• 💰 Salary: £110,000 – £150,000 base + equity
• 🗓️ 24 days holiday per year + bank holidays
• 🥕 £450 Monthly Office Dinner Allowance
• ✈️ 2 weeks work-from-anywhere
• 🍼 Generous parental leave policy
• 💼 Pension plan
• 💻 Top-spec equipment and central London office
• 🎉 Team events and dinners
• 🚀 Work directly with the founders to scale the systems that power enterprise AI
• 🏆 High-autonomy, high-trust environment with a small team shipping at pace

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🎫 Visas & Relocation

We sponsor visas for exceptional candidates and provide relocation support for those moving to London.

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Interview Process

Stage 1: Introductory Call with Stefan (45 minutes)

Stage 2: Founding Team Conversation with Marcus (30 min)

Stage 3: Take-Home Assessment with Remote Working Session with Stefan & Sam (60 minutes)

Final Stage: Founders Interview - A conversation with Anders (CEO) and Marcus (co-founder) focused on values alignment and long-term vision (45 minutes).

Following Mutual Fit: Reference checks and offer stage.