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About the Role

The New Bets squad builds Heidi's next products. You will engineer zero-to-one products with a distribution advantage, building the entire stack from React front ends to Python services and LLM features. Your work will be used by clinicians who already use Heidi daily, providing rapid feedback. You will own the build from Proof of Concept through production, with the understanding that some work may be killed while successful products graduate into staffed lines.

Responsibilities

Build new products end to end: React/TypeScript front ends, Python services, and the LLM and voice pipelines in between
Turn a one-page thesis into a working v0 in days, then decide with the PM what deserves a v1
Make AI features trustworthy and compliant: prompting, retrieval and evals that hold up in a real clinic, not just in a demo
Ship weekly, demo what you shipped, and let real usage settle arguments
Spend time with clinicians to deeply understand how they actually work, and the blockers they face daily
Work with our commercial teams to understand the business case behind what we build
Instrument everything: usage, latency, failure modes
Hand winners over well: when a bet graduates, either you will continue to develop and maintain it, or a staffed team will pick up your codebase

Requirements

3+ years shipping production software, we care much more about what you've shipped rather than time in seat
Full-stack fluency: Python on the back end, React/TypeScript on the front, comfortable owning everything from the schema to the UI
Working fluency with LLM systems: prompting, retrieval, embeddings, evaluation and the judgment to build around their probabilistic nature
You build with AI tools (Cursor, Claude Code, whatever ships faster) and can show what you've made with them
Cloud fluency (AWS or GCP): you can stand up your own infrastructure and CI/CD and get code to users without a platform team
A testing-in-production mindset: observability and feedback loops, because "works on my machine" doesn't survive a clinic
Product instincts: you ask what the user is trying to do, and you'll argue with the PM when the ticket is wrong
Speed as a habit, with weekly demos and a bias to ship over a bias to plan
Strong opinions, weakly held: you'll shift the room when you're right
Healthcare experience isn't required, but a genuine passion for wanting healthcare to work better is important

Skills

Python
React
TypeScript
LLM systems
Prompting
Retrieval
Embeddings
Evaluation
AWS
GCP
CI/CD
Observability
AI tools

Location

USA
UK
Canada
Europe

Work Type

Hybrid
3 days in the office

Experience Level

Mid-level
Senior

Benefits

Equity from day one
Comprehensive private medical and dental cover through Bupa
24/7 mental health, coaching and wellbeing support through Sonder
£100/month Healthy Heidi’s stipend
26 weeks paid global parental leave for primary carers
18 weeks paid global parental leave for secondary carers
£7,000 one-off fertility support payment
£700 per year for learning and development
£500 one-off home office budget
Recharge days after major milestones and busy periods
Work from anywhere for up to 4 weeks per year
10 days per year clinical leave for eligible clinical roles

About the Company

Heidi is building an AI Care Partner that supports clinicians every step of the way, from documentation to delivery of care.
We exist to double healthcare’s capacity while keeping care deeply human.
In the last 18 months, Heidi has returned more than 18 million hours to clinicians and supported over 73 million patient visits.
Today, more than two million patient visits each week are powered by Heidi across 116 countries and over 110 languages.
Founded by clinicians, Heidi brings together clinicians, engineers, designers, scientists, creatives, and mathematicians, working with a shared purpose: to strengthen the human connection at the heart of healthcare.
Backed by nearly $100 million in total funding, Heidi is expanding across the USA, UK, Canada, and Europe, partnering with major health systems including the NHS, Beth Israel Lahey Health, MaineGeneral, and Monash Health, among others.
We move quickly where it matters and stay grounded in what’s proven, shaping healthcare’s next era.
Heidi builds for the future of healthcare, not just the next quarter, and our goals are ambitious because the world’s health demands it.
We believe in progress built through precision, pace, and ownership.
Live Forever - Every release moves care forward: measured, safe, and built to last. Data guides us, but patients define the truth that matters.
Practice Ownership - Decisions follow logic and proof, not hierarchy. Exceptional care demands exceptional standards in our work, our thinking, and our character.
Small Cuts Heal Faster - Stability earns trust, speed delivers impact. Progress is about learning fast without breaking what people depend on.
Make others better - Feedback is direct, kindness is constant, and excellence lifts everyone. Our success is measured by collective growth, not individual output.
Our mission is clear: expand the world’s capacity to care, and do it without losing the humanity that makes care worth delivering.

Equal Opportunity

Heidi is dedicated to creating an equitable, inclusive, and supportive work environment that brings people together from diverse backgrounds, experiences, and perspectives.
Our strength is in our differences.
We're proud to be an equal opportunity employer and are proud to welcome all applicants as we're committed to promoting a culture of opportunity for all.