Job Specifications
Founding Product/AI Engineer - Asterix Health (London)
Package: £80k-120k cash with generous equity/+ Private health/dental. Onsite at our London Bridge/ Borough Market office
Asterix Exists for One Reason
To fix the biggest problem in healthcare: there are not enough doctors, and the system can no longer keep up. Millions of patients wait weeks for appointments. Millions more are stuck on hospital waitlists. Health conditions that can be prevented are missed and go unnoticed.
Asterix is building the only scalable solution: A new model of care where highly-qualified doctors are augmented by AI: safely, consistently, and measurably. The DoctorOS, our emerging clinical platform, is becoming the backbone of modern healthcare delivery. We combine rigorous clinical leadership, technology adapted for real-world care, and AI tooling that makes doctors 10x more productive. We are backed by Entrepreneur First, recently closed an oversubscribed funding round, and live with some of the largest healthcare providers in the UK, generating revenue and expanding fast.
Your Mission will be to build safe, production-ready clinical AI
As our Founding Product/AI Engineer, you will be the architect and owner of our AI systems. You will design, build, and ship product-critical clinical intelligence used every single day by doctors delivering patient care.
By joining us now, you will define our tech stack and decide what we need to scale. Our current tech stack at the moment is
Frontend: React 19 with TypeScript
Backend: AWS serverless — Lambda, API Gateway, DynamoDB, and S3
Authentication + Database: Supabase
Tooling: Playwright for testing, Tailwind for styling, Radix UI for components
You Will Own:
The entire Product/AI lifecycle: inference pipelines, retrieval, fine-tuning, evals, safety mitigations, and monitoring.
Clinical-grade safety infrastructure: hallucination detection, error monitoring, model governance, incident tooling and system-level guardrails.
MLOps & infra: reproducible training pipelines, CI/CD for models, audit trails, versioning, and data lineage.
Human-in-the-loop clinical validation: working directly with doctors and our clinical leads to define acceptance criteria and run prospective evaluations.
End-to-end shipping: design → prototype → deploy → measure → iterate.
Future team growth: help hire the next engineers and shape the technical culture from the ground up.
There is no partition between research, engineering, and product…… here you are all three.
Who You Are
We don’t care about pedigree. We care about what you’ve built and how you think.
You Thrive When:
The stakes are high and the feedback loops are tight.
The constraints are real (safe, compliant clinical environments).
You own outcomes end-to-end.
You’re responsible for systems that must work and must be trustworthy.
You’ll Be a Great Fit If You Have:
Been a founder or founding engineer
Deep experience with LLMs, model evaluation, monitoring, or MLOps.
A track record of shipping ML or production systems in high-stakes environments.
High agency and product intuition: you chase impact, not tickets.
Strong judgment around risk, safety, and quality in real-world deployments.
Experience working across the stack (infra ↔ data ↔ product).
Bonus If You:
Have worked in regulated environments
Built software/AI as a medical device
Have clinical knowledge, or have shipped tools used by clinicians
Have founded or been early at a startup
Culture- The Asterix Way
We are a small, deeply ambitious, and intensely collaborative team. We move fast because what we’re building matters.
Humble
We assume we’re wrong until the data or a clinician proves otherwise. We default to curiosity. We ask questions. We help each other level up.
High-intensity - Founder mentality - No corporate wannabe’s
You don’t wait for permission. You push problems to resolution. You act like an owner of the mission, the codebase, the infrastructure, and the culture.
Solving one of society’s biggest problems won't happen in a 9-to-5. We need our team to understand we will always ask for that little bit extra. We work hard, but with intention.
Joyful energy
We take the work seriously but not ourselves. We laugh a lot. We celebrate the small wins. We show up with energy, optimism, and kindness, and back each other completely
If you bring enthusiasm and momentum, you’ll fit right in.
In-person by design
We work together, shoulder-to-shoulder in London. This makes us faster, tighter, and better and it makes the journey more fun.
What Success Looks Like
Months 1- 3: Learn, Ship, Integrate
You Will:
Stand up our LLM inference & eval pipeline.
Ship your first end-to-end feature into clinical workflows.
Implement core monitoring/metrics for model behaviour and safety.
Become embedded with doctors to understand real-world clinical needs.
Own a meaningful slice of the roadmap.
Indicators Of Success:
You’ve shipped code used by clinicians.
You’re independently dia
About the Company
Foundation Partners is reinventing how ambitious, early-stage companies access People & Talent support.
In the past, founders had two options: try to handle it themselves, which comes with huge opportunity costs compared to focusing on product or GTM, or hire a generalist expected to cover everything from culture, to recruitment, to performance.
We offer a more impactful alternative - a fully flexible fractional People & Talent team with specialist skillsets and hands-on delivery that starts driving impact in weeks, not mo...
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