Axoniq Conference 2025 Day 1: Building Compliant Healthcare Software with Event Sourcing

Описание: Axoniq Conference 2025 - Day 1: Event Sourcing in Regulated Healthcare 🏥

Former CTO of Dear Health shares how event sourcing enables both regulatory compliance (MDR, GDPR, ISO 27001) and rapid innovation in healthcare software. Learn how they built a serverless event-driven architecture in Python serving chronically ill patients.

🎯 Speakers:
Job de Noo - Former CTO, Dear Health (24 years experience, former Axon colleague)
Alson van der Meulen Tech Lead/Staff Engineer, Dear Health (16 years experience)

🏥 About Dear Health:
Platform for risk-based care pathways serving chronically ill patients (IBD, heart failure, cancer) with provider portal and patient app for telemonitoring.

🔥 Key Challenges Solved:
Regulatory:
✅ MDR Class 2A certification (annual external audits)
✅ GDPR compliance with event deletion
✅ ISO 27001 requirements
✅ NEN 7513 audit logging
✅ Post-market surveillance
Technical:
✅ Serverless event sourcing in Python/AWS
✅ Custom CQRS framework (DynamoDB, SQS, Lambda)
✅ PII masking with data events
✅ Per-disease configurable UI fields
✅ Event-driven medical recommender
✅ Multi-microservice coordination

📋 Key Takeaways:
1️⃣ Isolate High-Risk Components: Register only critical parts (recommender) as Class 2A, keep rest as lower class
2️⃣ Privacy by Design: PII flags in metadata, encryption at rest/transit, GDPR-ready deletion
3️⃣ Event Sourcing = Dual Benefits: Enables both technical flexibility AND audit compliance
4️⃣ Compliance Requires Compromises: Version numbers, production definitions, static requirements vs agile development
5️⃣ Data Events Pattern: Decouple microservices with flattened key-value events for scalability

🛠️ Tech Stack:
Python (serverless)
AWS: Lambda, DynamoDB, SQS, SNS, EventBridge, KMS, Kinesis, S3, Athena, TimeStream
Custom CQRS framework
ElasticSearch
GraphQL (AppSync)

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