Medical Ocean
Enterprise EHR & Hospital Management Platform
Medical Ocean is a comprehensive, enterprise-grade Electronic Health Records (EHR) SaaS platform designed to help healthcare organizations manage patient records, appointments, billing, and clinical workflows. The platform supports multi-organization and multi-location healthcare operations with real-time scheduling, standardized medical coding, and robust financial workflows.
The platform promotes interoperability, data-driven decision-making, and HIPAA-compliant healthcare operations for multi-location healthcare organizations. It features comprehensive patient management with demographics, medical history, allergies, vitals tracking, and ICD-11 medical coding integration.

Tech Stack
Project Gallery

Real-time appointment scheduling with calendar integration

Practitioner worklist with live appointment status

Comprehensive patient record management

invoice management
Key Responsibilities
- Worked as dedicated Full Stack Developer, collaborating directly with stakeholders on healthcare workflows
- Designed and developed core modules including Patients, Practitioners, Organizations, Locations, and Appointment Scheduling
- Built real-time scheduling system with worklists, waitlists, and live appointment status using Hasura subscriptions
- Implemented event-sourcing architecture to maintain complete audit trails across healthcare and finance modules
- Developed billing and finance modules including Invoices, Claims, Credit Notes, Refunds, and Payments
- Implemented double-entry accounting logic (debit/credit) supporting partial payments and balance adjustments
- Integrated WHO ICD-11, CPT codes, and dm+d medicine data model for standardized clinical documentation
- Built secure, multi-tenant authentication using Zitadel OAuth with organization-level isolation
- Implemented notifications for appointments and billing events using Novu and scheduled background jobs
- Developed PDF generation workflows for invoices and reports using Puppeteer
- Integrated secure file storage using MinIO/S3 with presigned URLs for medical documents
Key Achievements
- Delivered scalable, multi-organization healthcare platform supporting real-world clinical workflows
- Built production-grade appointment and scheduling system with live updates and waitlists
- Implemented robust financial system handling invoices, partial payments, credits, and insurance claims
- Designed event-sourced architecture ensuring data consistency for healthcare transactions
- Enabled standardized medical documentation through ICD-11, CPT, and dm+d integrations
- Improved developer productivity through type-safe APIs and GraphQL code generation
- Built type-safe full-stack architecture with GraphQL, tRPC, and TypeScript ensuring zero runtime type errors

