As the first Account Executive at Prometheux, you will lead the founding GTM motion. You will define the ICP, build an outbound pipeline from scratch, and close $100K+ enterprise deals. Working directly with the founders, you will navigate complex sales cycles to bring neurosymbolic AI to regional banks, insurers, and data-heavy enterprises.
Account Executive at Prometheux
Prometheux is hiring its first Account Executive to drive the GTM strategy for its ontology-native AI infrastructure. Backed by Seedcamp and Giant, and already serving giants like Vodafone and Revolut, this founding role offers the chance to define the ICP and build a sales organization from scratch. If you are a technical hunter with 5+ years of experience closing $100K+ deals in data or AI, this is your path to a future VP of Sales role. Join a lean, high-impact team operating at the frontier of neurosymbolic AI as they scale toward $10M ARR.
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Location
London, United Kingdom
Compensation
$150k-$300k OTE + Equity
Company
Prometheux
Role overview
SoftwareLondon, United Kingdom
Prometheux is a VC-backed London startup building ontology-native infrastructure for operational AI. Backed by Seedcamp, Giant, and the founders of Synthesia and Datadog, they serve enterprises like Revolut and AstraZeneca. By combining deterministic reasoning with LLMs, Prometheux turns business logic into executable ontologies, currently scaling toward $10M ARR.
What you will do
- Hunt and close net-new enterprise logos with $100K+ ACV using a technical, outbound-led sales approach focused on US and European markets.
- Collaborate directly with founders to refine the Ideal Customer Profile and shape global GTM messaging and vertical strategy.
- Manage complex, multi-stakeholder sales cycles from cold outbound through to close, partnering with engineering teams on customer platform deployments.
Who this is a fit for
- 5-6 years of quota-carrying, net-new hunting experience in enterprise SaaS, specifically selling complex data infrastructure, AI/ML platforms, or developer tools.
- Proven track record of building outbound pipelines from zero and closing six-figure deals in an early-stage environment without established processes.
- Technical depth required to engage CTOs and data leaders on platforms like Snowflake and Databricks while articulating the value of neurosymbolic AI.
Why this role is remarkable
- Founding GTM opportunity to define the sales playbook and ICP for a high-growth AI infrastructure startup at the technical frontier.
- Backed by elite investors like Seedcamp and Giant, with ~$1.89M ARR and a customer base including Vodafone and the Central Bank of Italy.
- High-impact path to leadership, explicitly positioned as the foundational hire for the future VP of Sales as the company scales.
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I get to know what you’re great at, then find roles you’d never find yourself.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.
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If your profile’s a match and Prometheux wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.