Senior Application Database Engineer

Heidi Health Pty Ltd

Job Overview

Location

Sydney

Job Type

Full-time

Full Job Description

📋 Description

• As the Senior Application Database Engineer at Heidi Health, you will be the dedicated owner of our database infrastructure as we scale globally, ensuring our AI Care Partner platform remains reliable, performant, and secure for clinicians and patients worldwide.
• You will own MongoDB Atlas cluster configuration and management across production, staging, and development environments spanning multiple regions globally across AWS and Azure, lead schema and data model design, optimize query performance and aggregation pipelines, evaluate and plan database technology decisions including when to use MongoDB versus relational stores like Amazon RDS, design and execute data migrations using Python tooling, manage all Atlas infrastructure through Terraform, design and maintain OIDC authentication and workforce identity federation, own database user management and access control policies, detect and remediate infrastructure state drift, monitor performance and drive optimizations, partner with backend engineers on schema and indexing strategies, and establish runbooks for operational tasks including failover, scaling, and incident response.
• Heidi Health is a fast-growing healthtech startup backed by nearly $100 million in funding, building an AI Care Partner that works alongside clinicians to restore continuity and humanity to healthcare. Our team of doctors, engineers, designers, researchers, and creatives has already given back over 18 million hours to healthcare professionals, supporting 73 million patient visits across 116 countries, with more than two million visits powered by Heidi each week. We partner with leading health systems including the NHS, Beth Israel Lahey Health, and Monash Health, and are expanding across the US, UK, Canada, and Europe.
• In this role, you will deepen your expertise in modern database architecture across NoSQL and relational systems, gain hands-on experience with multi-cloud infrastructure (AWS and Azure), become proficient in Terraform-driven database management and OIDC federation, lead critical data migration initiatives, and contribute directly to a platform improving global healthcare outcomes — all while working in a high-autonomy, mission-driven environment that values ownership, reliability, and continuous improvement.

🎯 Requirements

• 5+ years of experience with MongoDB in production, including Atlas-managed clusters
• Strong ability to design schemas around application access patterns rather than relational conventions
• Deep understanding of indexing, query planning, aggregation pipelines, and MongoDB operational fundamentals
• Solid experience with Amazon RDS or other relational databases, including schema design and query optimisation
• Strong SQL skills including query optimisation, indexing, and schema design for relational workloads
• Proficiency in Python for scripting, automation, and data migration tooling
• Experience planning or executing database migrations across technology boundaries
• Proficiency with Terraform for managing cloud database infrastructure
• Hands-on experience with AWS and Azure networking as it relates to private database connectivity
• Comfort operating with high autonomy in a fast-moving environment
• Strong written communication and documentation habits

🏖️ Benefits

• Flexible hybrid working, with 3 days in the office
• Monthly $150 AUD benefit to invest in your physical and mental wellbeing
• Recharge Days after major milestones and busy periods
• A generous personal development budget of $1000 AUD per annum
• Become an owner, with shares (equity) in the company, if Heidi wins, we all win
• A one-time home office setup contribution
• 26 weeks paid parental leave for primary carers, 18 weeks for secondary carers
• A fertility support benefit of $10,000 AUD covering IVF, egg freezing or sperm freezing
• 10 days per year dedicated to supporting clinicians in maintaining accreditation
• The rare chance to create a global impact as you immerse yourself in one of Australia’s leading healthtech startups

Skills & Technologies

Python

MongoDB

AWS

Azure

Terraform

Senior

Hybrid

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Heidi Health Pty Ltd

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About Heidi Health Pty Ltd

Heidi Health is an Australian clinical software company that provides AI-powered medical scribe and workflow automation tools for healthcare providers. Its platform records and transcribes patient consultations in real time, generating structured clinical notes, referral letters and coding suggestions that integrate directly with electronic medical record systems. The company serves general practitioners, specialists and allied health professionals, aiming to reduce administrative burden and improve documentation accuracy while maintaining data security and compliance with Australian healthcare standards.

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