Senior Software Engineer

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

Working closely with the respective Engineering Manager, you’ll be a Senior/Intermediate Software Engineer who designs and scales the services that power our AI-driven products

What you’ll do

- Architect and build backend services that power LLM-based agents and clinical automations.

- Design robust APIs & data models that are secure, observable and easy for other teams to extend.

- Optimise performance and cost—profile hot paths, tune databases and right-size cloud resources.

- Automate quality: write unit / integration tests, craft alerts and own on-call runbooks so clinicians can trust every interaction.

- Partner with product, design and other engineers to ship new capabilities from concept to production in weeks, not quarters.

What we will look for

- Mastery of software-engineering fundamentals; Python is our primary language, but you move fluently between technologies when the problem demands.

- Deep database expertise—schema design, query optimisation and scaling for both relational and NoSQL stores.

- Cloud fluency (GCP or AWS): containers, CI/CD, infrastructure-as-code, security and observability.

- Track record of shipping and operating systems at scale with high reliability.

- Rigorous testing, code-review and documentation habits that elevate team standards.

- Bonus points: hands‑on work with AI/LLM services or real-time audio/streaming pipelines.

What do we believe in?

- We create unconventional solutions to difficult problems and we build them fast. We want you to set impossible goals and make them happen, think landing a rocket but the medical version.

- You’ll be surrounded by a world‑class team of engineers, medicos and designers to do your best work, inspired by our shared beliefs:

- We will stop at nothing to improve patient care across the world.

- We design user experiences for joy and ship them fast.

- We make decisions in a flat hierarchy that prioritizes the truth over rank.

- We provide the resources for people to succeed and give them the freedom to do it.

Why you will flourish with us 🚀?

- Flexible hybrid working environment, with 3 days in the office.

- Additional paid day off for your birthday and wellness days.

- Special corporate rates at Anytime Fitness in Melbourne, Sydney tbc.

- A generous personal development budget of $500 per annum.

- Learn from some of the best engineers and creatives, joining a diverse team.

- Become an owner, with shares (equity) in the company, if Heidi wins, we all win.

- The rare chance to create a global impact as you immerse yourself in one of Australia’s leading healthtech startups.

- If you have an impact quickly, the opportunity to fast track your startup career

Help us reimagine primary care and change the face of healthcare in Australia and then around the world.

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