Hybrid Senior Software Engineer – Backend, Auth & User Management

at Heidi Health

• Job title: Senior Software Engineer – Backend, Auth & User Management
• Job type: Full Time
• Experience level: Senior
• Salary: Not specified
• Degree requirement: No Education Requirement
• Tech skills: Distributed Systems, Python, TypeScript
• Location requirements: Hybrid, Sydney, Australia

About the role

• Senior Software Engineer responsible for backend features in AI healthcare startup. Building user management and security features for clinicians and healthcare organizations.

Responsibilities

• Build enterprise-grade user management: Develop features that let organisations self-manage their users—provisioning, role syncing from IdPs, team policies, data retention, and MFA enforcement
• Deliver critical auth capabilities: Implement security features like single logout, IdP-initiated logout, idle lock, and session management that enterprises expect
• Design for multi-region scale: Build systems that support data residency requirements and scale reliably as Heidi grows into mid-market and enterprise customers
• Keep patient data secure: Your work directly protects sensitive health information through robust access policies and up-to-date security controls
• Grow with the domain: Start with foundational auth work, then take on increasing ownership of User Management as the team and product evolve
• Ship with quality: Write clean, testable code with strong API design—these systems are depended on by every other team

Requirements

• Strong full-stack or backend experience (Python preferred; TypeScript a plus)
• Solid understanding of API design, data modeling, and building secure, reliable services
• Comfortable with distributed systems concepts: multi-region, caching, eventual consistency
• Security-conscious mindset—you think about edge cases, access control, and audit trails
• Track record delivering features independently in a fast-paced environment
• Motivated by building infrastructure that other teams and customers depend on
• Experience with identity or auth systems (SSO, OIDC, SAML, SCIM, MFA) is a plus but not required

Benefits

• Flexible work with 3 days a week in the office.
• Additional paid day off for your birthday and wellness days
• Special corporate rates at Anytime Fitness for 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!