Hands-On CTO | Shipping Secure, AI-Powered Systems | Healthcare • E-commerce • Security
CTO and Technical Lead with 8 years building secure, AI-powered production systems across healthcare (100+ hospitals, HIPAA/FDA/SOC2), e-commerce platforms, and security architecture. Currently CTO at Aplify® (e-commerce) and Co-Founder at The Lean Product Studio. Leads distributed engineering teams with hands-on involvement in product development, technical strategy, and engineering culture.
- Healthcare Systems: FDA/HIPAA/SOC2 compliant platforms serving 100+ hospitals, EHR integrations, AI ambient listening, medical RAG pipelines
- E-commerce Platforms: Multi-vendor marketplaces, payment systems, rebuilt platforms from crashes to 100% uptime
- Security Architecture: Zero Trust implementations, pen testing remediation, ISO 27001 compliance, security testing platforms
- AI & RAG Pipelines: Production RAG systems with AWS Comprehend Medical, Claude API, Neo4j knowledge graphs, HIPAA-compliant PHI anonymization
- Mobile Development: React Native & Flutter apps rebuilt from ground up for healthcare and e-commerce
- Cloud Architecture: AWS infrastructure optimization, PostgreSQL RLS multi-tenancy, 99.9% uptime systems
Languages Python, TypeScript, JavaScript, Dart, Go
Mobile React Native, Flutter
Backend Node.js, NestJS, Flask, FastAPI
Cloud AWS (Comprehend Medical, Lambda, EC2, RDS, S3, CloudFront, API Gateway)
Databases PostgreSQL (RLS), MongoDB, Neo4j, DynamoDB
AI/ML Claude API, RAG pipelines, AWS Comprehend Medical, Embeddings, Knowledge Graphs
Compliance FDA, HIPAA, SOC2, ISO 27001, GDPR
Security Zero Trust, Pen Testing, PostgreSQL RLS, PHI Anonymization
- AI Ambient Listening RAG System: Production RAG pipeline with AWS Comprehend Medical, Claude API, Neo4j knowledge graphs, HIPAA-compliant PHI anonymization
- FDA Healthcare Platform: 99.9% uptime serving 100+ hospitals (US/India), led pen testing remediation, PostgreSQL RLS multi-tenancy, FDA/HIPAA/SOC2/ISO 27001 compliant
- Multi-Vendor Marketplace Rebuild: Rebuilt entire e-commerce platform from constant crashes to 100% uptime (Flutter + Node.js + MongoDB)
- Security Testing SaaS: Platform connecting pen testers to developers, NestJS on AWS, regression tracking, ISO 27001 compliance dashboards
- MCP Server for Healthcare Research: No-code data access for researchers, real-time analytics, HIPAA-compliant query interface (US/EU deployment)
- Women's Health Platform: Ground-up Flutter rebuild with multi-language support (UK/Africa), GDPR-compliant architecture
I write about AI adoption, Zero Trust security, healthcare compliance, and building production systems.
Check out my blog at aarondsilva.me/blog for articles on:
- AI transformation and why most companies fail at AI adoption
- Zero Trust security implementations across healthcare, manufacturing, DoD, and SaaS
- Building HIPAA/FDA/SOC2 compliant systems
- RAG pipelines and AI-powered healthcare systems
- Security architecture and pen testing
Currently focused on RAG pipelines, security architecture, full-stack engineering, and building AI-powered systems that scale.