Juan De La Cruz

Developed and maintained scalable full-stack healthcare web applications using TypeScript, Next.js, and backend patterns; designed secure RESTful APIs for claims processing and eligibility verification, improving data retrieval speed by 40%. Implemented robust authentication and authorization, led remote agile sprints, and integrated PostgreSQL and MongoDB with Prisma ORM, resulting in improved data integrity and query performance. Optimized performance and ensured HIPAA-compliant data privacy in a 24/7 healthcare environment.

Led design and development of enterprise healthcare portals with Python FastAPI and React/TypeScript, improving patient data access speed by 30%. Architected and optimized PostgreSQL databases for high-volume claims processing. Integrated AI/ML services and LLM APIs automating claims eligibility verification, cutting manual processes by 40%. Developed scalable containerized microservices on AWS using Docker and Kubernetes. Implemented CI/CD pipelines and infrastructure as code with Terraform for automated deployments. Collaborated closely with product teams, designed prompt engineering and RAG pipelines for AI insights, applied robust security practices, contributed to blockchain notarization workflows, and mentored junior developers.

Developed full-stack microservices and web applications using TypeScript, Next.js frontend framework, and backend patterns inspired by Express.js; built RESTful APIs for large-scale search and data visualization; contributed to technical design discussions to improve system architecture; improved API performance and security practices across services.