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Founding Engineer at well-funded Voice AI startup

We are looking for a Founding Engineer to join a well-funded AI startup in London. This isn't just another wrapper; you'll be building a production-grade voice intelligence platform from the ground up. If you're a specialist in ASR or speech AI with a generalist's ability to ship across the full stack, this is your chance to own the core architecture of a company solving high-stakes data problems for the physical economy. You will tackle real-world challenges like industrial noise and latency while defining the future of voice-driven operations.

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Location

London, United Kingdom

Compensation

£180k + Equity

Company

Confidential company

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Role overview

You will lead the development of a production-grade voice intelligence platform designed for complex, real-world environments. By bridging the gap between spoken conversation and structured data, you will build robust ASR pipelines and multi-tenant systems that solve critical operational challenges for distributed teams operating in high-noise, high-stakes physical settings.

About the company

Well-funded Voice AI startup

What you will do

  • Design and deploy production-grade voice pipelines that handle real-world challenges like industrial noise, accents, and low-latency tradeoffs.
  • Build an intelligence layer that decomposes complex forms into natural conversation flows and maps transcripts back into structured records.
  • Develop scalable, polyglot software across the backend, frontend, and mobile to enable highly configurable workflows for a global client base.

Who this is a fit for

  • Deep expertise in speech AI, NLP, or ASR with experience deploying robust, high-accuracy models in challenging production environments.
  • Versatile full-stack engineering background with the ability to navigate a polyglot codebase and ship working software at high velocity.
  • A founding mindset characterized by high agency, pragmatic decision-making, and a deep interest in building products that solve complex user workflows.

Why this role is remarkable

  • Join as one of the first engineers to architect a voice-first platform where AI is the core product, not just a side feature.
  • The company is backed by high-conviction investors and top-tier VCs, focusing on a massive untapped market within the physical economy.
  • Own the entire technical stack from ASR robustness and LLM-driven intelligence to full-stack platform architecture and native mobile integration.

How Jack & Jill work together

Jack
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Jill
I recruit from Jack’s network and make the intro when I spot a great match.
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Jill is the AI recruiter working for the company. She recruits from Jack’s network.

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.

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