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Delfa

Delfa

Job listing

London, United KingdomNot Disclosed

Founding Engineer at $3.8M Seed-funded AI startup backed by Air Street Capital

Join an elite team of researchers and engineers from ETH Zurich and Roche at a fast-growing London startup fixing the $120B clinical trial bottleneck. With seven-figure ARR and 25% monthly growth, this Air Street Capital-backed venture is using autonomous AI agents to get life-saving treatments to patients faster. As a Founding Engineer, you'll own 0→1 systems from architecture to deployment, working onsite in a high-talent density environment to solve one of healthcare's most critical infrastructure problems.

Overview

Role overview

You will build and scale the core systems powering autonomous AI agents that accelerate life-saving medical treatments. Working in a high-talent density team, you will own complex technical projects from architecture to deployment, orchestrating intelligent workflows across trial sites and handling voice interactions to solve the multi-billion dollar clinical trial bottleneck.

Company

Delfa

Delfa

Healthcare

$3.8M Seed-funded AI startup backed by Air Street Capital automating clinical trial recruitment

Responsibilities

What you will do

  • Architect and scale core systems for AI agents, including intelligent workflow orchestration and real-time voice interaction infrastructure.
  • Take full end-to-end ownership of critical product features, from initial design and system architecture to production deployment.
  • Collaborate onsite in London with a multidisciplinary team of MDs and AI researchers to solve complex engineering challenges in the healthcare space.

Candidate profile

Who this is a fit for

  • 2+ years of full-stack engineering experience with a track record of building high-quality products at high velocity.
  • Strong builder instincts and an ownership mindset, demonstrated through professional work, side projects, or open-source contributions.
  • Proficiency in modern tech stacks, ideally including FastAPI, TypeScript, React, PostgreSQL, and experience with workflow engines like Temporal.

What makes it remarkable

Why this role is remarkable

  • Join an elite technical team including foundation model researchers, world-class causal AI experts, and engineers from top-tier biotech firms like Exscientia.
  • Extraordinary traction with seven-figure ARR, 25% month-on-month growth, and deployment across 300+ clinical trials in less than one year.
  • High-autonomy 0→1 environment where your engineering decisions directly impact how quickly patients receive life-saving treatments for everyday diseases.

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