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Heidi

Senior Fullstack Software Engineer (Upmarket)

On site

London, United kingdom

Senior

Full Time

24-02-2026

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Job Specifications

Who are Heidi?

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 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. Ready for the challenge?

The Role

The UK healthcare system is defined by its friction—complex billing requirements, rigid EHRs, and administrative burden that pulls clinicians away from patients.

We're looking for a Senior Software Engineer to turn that friction into flow.

You'll build the systems that make Heidi feel native to American healthcare. That means going deep into the infrastructure clinicians actually use—Epic, athena, eClinicalWorks—and making Heidi work seamlessly inside those workflows. It means building AI systems that handle the complexity of UK billing so clinicians don't have to.

You'll work across the full stack of what makes Heidi valuable in the US market: from the AI pipelines that understand clinical documentation to the integrations that put the right information in the right place at the right time.

This isn't just localisation. It's building the definitive clinical AI experience for the world's most demanding healthcare market.

What You’ll Do

Build systems that live inside clinical workflows: You'll shape how Heidi integrates with the EHRs that run American healthcare. The goal isn't connectivity—it's making Heidi feel like a native capability, not a plugin.
Turn clinical complexity into simple experiences: US healthcare has layers of billing rules, compliance requirements, and payer constraints. You'll build systems that absorb that complexity so clinicians never see it.
Build for trust and quality: Write clean, testable code with strong interfaces, thoughtful error handling, and observability. These workflows are depended on by clinicians, operators, and downstream systems.
Own outcomes, not just code: You'll care about whether the things you build actually help clinicians and improve practice revenue—not just whether they technically work.
Ship agentic workflow functionality: Build systems where AI assists with extraction, reconciliation, and drafting across workflows, with human review, auditability, and clear controls.: Build systems where AI assists with extraction, reconciliation, and drafting across workflows, with human review, auditability, and clear controls.
Operate in close collaboration: Work day-to-day in a highly collaborative environment, including frequent pairing and shared ownership of design and implementation.
Grow with the domain: Learn how healthcare organisations operate in practice, especially the requirements and constraints that come with serving US customers, and translate that into product improvements.

What We’re Looking For

5+ years of software engineering experience, with a track record of shipping complex systems that real users depend on.
Strong full-stack fundamentals and experience contributing to user-facing products end-to-end.
Sound engineering judgment: You make sensible trade-offs, keep scope clear, and improve quality through testing, readable code, and thoughtful design.
Ownership and follow-through: You take responsibility for what you commit to, communicate clearly when something changes, and unblock yourself or escalate early.
Collaborative working style: You work well with others, enjoy building in a tight feedback loop, and are comfortable pairing and sharing work in progress.
Comfort with ambiguity: You can engage with messy problems, ask good questions, and drive toward a practical, shippable solution.
Fluency with AI coding tools: You use modern AI tools to accelerate delivery, while staying rigorous about correctness and validation.
Experience with agentic frameworks, modelling complex domains, orchestration, and event-driven architectures is a plus.

What do we believe in?

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

About the Company

Heidi is the AI Care Partner designed to expand clinical capacity by automating administrative work – documentation, form filling, and task management - so clinicians can focus on patients. Used across emergency departments, general practice, and specialist clinics, Heidi supports more than 2 million consults each week in 110 languages from 116 countries. Founded in Melbourne, Australia, Heidi has raised $96.6M USD from global investors including Point72 Private Investments, Blackbird, Headline, LocalGlobe, Possible Ventures... Know more