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London, United KingdomNot Disclosed + Equity

Founding Fullstack Software Engineer at Well-funded AI healthtech startup

Are you ready to build the AI Operating System for healthcare? This London-based healthtech startup is looking for a Founding Fullstack Engineer to work alongside their Oxford PhD CTO. You will have the unique opportunity to architect a platform from scratch that automates clinical workflows for underserved medical chains. With a focus on Next.js, TypeScript, and advanced AI agentic systems, this role offers significant equity and the chance to define the future of healthcare technology. If you crave high autonomy, 0-to-1 product ownership, and the chance to ship code that genuinely improves patient care, this is the career-defining move you've been looking for.

Overview

Role overview

Join a high-growth startup as a Founding Engineer building an AI Operating System for mid-market healthcare clinics. Working directly with an Oxford PhD CTO, you will architect 0-to-1 solutions that automate clinical workflows. This role offers high autonomy to define technical specifications and ship impactful features that modernize patient care operations.

Company

About the company

Well-funded AI healthtech startup

Responsibilities

What you will do

  • Architect and develop scalable web applications using Next.js, TypeScript, and Node.js or Python, ensuring high security and healthcare data compliance.
  • Design and implement sophisticated AI features by integrating LLMs and modern AI APIs into the platform’s core clinical automation workflows.
  • Manage cloud infrastructure on GCP or Azure while collaborating with the CTO to translate customer needs into production-ready technical solutions.

Candidate profile

Who this is a fit for

  • Strong production experience with Next.js, TypeScript, and either Node.js or FastAPI, alongside a background in integrating LLMs and RAG pipelines.
  • Proven track record of 0-to-1 product development or previous startup experience, demonstrating the ability to thrive in ambiguous, fast-paced environments.
  • Solid academic foundation in a STEM field from a top-tier university, combined with a desire for high ownership and direct customer interaction.

What makes it remarkable

Why this role is remarkable

  • Rare opportunity to join as a Founding Engineer with significant equity and direct influence over the core product architecture and technical roadmap.
  • Work on cutting-edge AI integrations including RAG pipelines and agentic systems to solve real-world operational burdens for underserved healthcare providers.
  • Collaborative, flat team structure in a well-funded environment with strong runway and direct feedback loops from early design partner clinic chains.

Jack & Jill

How Jack & Jill work together

Jack
I get to know what you’re great at, then find roles you’d never find yourself.
Jill
I recruit from Jack’s network and make the intro when I spot a great match.

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Jack gets to know what you're great at and what you want next, then searches 14 million jobs daily and introduces you directly to hiring managers.

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.

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