Healthcare Provider Platform Maintenance & Feature Expansion
Continuous feature development and maintenance for a SaaS used by healthcare providers. Adds features that reduce frontline operational burden while protecting patient data confidentiality.
Challenge
- Medical information is sensitive, demanding stricter security requirements than typical SaaS.
- Frontline medical staff are often not IT specialists, so the UI must be intuitive and mistake-proof.
- Integration with existing workflows (paper charts, inter-clinic referrals) is required.
Solution
- Designed access permissions in fine detail using RBAC + clinical role, enforcing the principle of least privilege.
- Iterated the UI based on interviews with medical staff, prioritizing 'no-confusion' navigation.
- Enabled operations aligned with MHLW (Ministry of Health, Labour and Welfare) guidelines using PostgreSQL + encrypted backups + audit logs.
Technology Decisions
Why a Prisma-centric design
Type-safe DB operations and automated migrations minimize the risk of medical-data schema changes.
Outcomes
Zero Incidents
12 consecutive months
On security and quality; aligned with MHLW guidelines
Frontline Satisfaction
Interview-driven improvements
Average screen transitions for major flows reduced by 30%
RBAC Granularity
Multi-axis: clinical role × department × duty
Strict least-privilege enforcement
Audit Logs
All access + all changes recorded
Retention period meets statutory requirements
Team
1 of our engineers (SES)
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