Join a high-impact team building a personal health companion that quantifies wellness across movement, sleep, and social dimensions. You will own the core intelligence layer, architecting the data models and LLM integrations that turn wearable data into personalized health insights. This is a founding-level role for an engineer who thinks like a product owner.
Product Engineer at Ollyinsurance
Are you a product-minded engineer looking to build the future of preventative health? This London-based, venture-backed startup is seeking a Product Engineer to own the intelligence layer of an AI health companion. You will work directly with founders to integrate wearable data from Oura and Garmin into sophisticated LLM-driven insights. If you want to move fast, own the data model, and ship features that genuinely improve people's lives without the friction of traditional insurance, this is your chance to join a high-growth team at the intersection of AI and wellness.
About this role
Role overview
About the company
Ollyinsurance
We are an AI-native private health insurance start-up building for the 88% of Brits without private cover.$3M pre-seed raised, PRA authorisation in progress, targeting March 2028 go-live. Backed by US institutional investors in the YC ecosystem.
What you'll do
What you will do
- Architect the balance data model to track six health dimensions from wearable data sources like Oura, Garmin, and Apple Health.
- Design and implement the memory layer and prompt architecture to serve high-context, personalized health insights via LLM integrations.
- Build event trigger logic to detect actionable health moments from behavioral data and manage the quality of AI-driven responses.
Who you are
Who this is a fit for
- Full-stack engineering expert capable of owning features end-to-end, from complex data modeling to polished user interfaces.
- Proven experience shipping LLM-powered features in production, including prompt engineering and managing AI guardrails.
- Product-minded builder who thrives in high-autonomy environments and prefers shaping a hypothesis over following a rigid spec.
Why this role
Why this role is remarkable
- Direct impact as a primary owner of the core intelligence layer, building the data models that define how the product quantifies and improves user health.
- Rare opportunity to work at the cutting edge of AI, wearables, and insurance, backed by venture capital and led by experienced founders.
- Founder-led environment with zero red tape, where your code translates immediately into user-facing nudges and preventative health interventions.
Jack & Jill
How Jack & Jill work together
Meet Jack
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
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.