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Heidi Logo Heidi · IT - Software Development

Staff Backend Solution Architect Engineer

Australia, Sydney · Job Posted February 18, 2026
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Job Description

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. Our mission is clear: expand the world’s capacity to care, and do it without losing the humanity that makes care worth delivering. 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.

Job Responsibility

  • 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, AI and front-end engineers to ship new capabilities from concept to production in weeks, not quarters

Requirements

  • Mastery of software-engineering fundamentals
  • Proven experience designing APIs (REST or GraphQL), and event-driven systems (Kafka, Pub/Sub or similar)
  • Deep coding and architect mindset — Hands on experience in test driven development (TDD), AI coding, microservices, eventual consistency etc.
  • 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 distributed systems at scale with high reliability
  • Rigorous testing, code-review and documentation habits that elevate team standards
  • Hands-on work with AI/LLM services or real-time audio/streaming pipelines

What we offer

  • Additional paid day off for your birthday and wellness days
  • A generous personal development budget of $500 per annum
  • Learn from some of the best engineers and creatives, joining a diverse team
  • 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
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