Senior DevOps & Cloud Architecture Leader

Michael Darretta

Tappan, NY 845-***-****

*******.********@***************.***

DevOps Engineer Full Stack Developer Azure Cloud Architect

Senior Full Stack Developer and Azure Cloud Architect with deep experience building and operating missioncritical healthcare systems. Specialized in DevOps automation, CI/CD pipelines, multienvironment deployments, release management, and HIPAAaligned cloud architecture. Strong background in backend development (Node.js, TypeScript, Java), API design, eventdriven systems, and scalable Azure solutions. Proven ability to lead crossfunctional engineering teams, drive architectural decisions, and deliver secure, reliable releases across clinical and operational systems.

Core Skills & Technical Expertise

·DevOps Automation & Release Management: Azure DevOps, CI/CD pipelines (YAML), GitHub Actions, Git, GitFlow, branch management, code reviews

·Healthcare Integrations: HL7, HIPAAaligned architecture, PHI handling

·Backend Development: Node.js, TypeScript, Express.js, RESTful APIs, microservices architecture, Java, Spring

·Azure Cloud Architecture: Multi-environment design, cost optimization, scalability planning, security architecture

·Azure Services: Functions, App Services, Container Apps, SQL Database, Service Bus, Logic Apps, Storage, Key Vault, Monitor, Application Insights, Log Analytics, Azure Foundry

·Infrastructure-as-Code: Terraform, ARM templates, Docker, VNETs, NSGs, Bash, PowerShell

·Frontend Development: HTML, CSS, JavaScript, React.js, responsive UI design

·Databases: Azure SQL, Microsoft SQL Server, Oracle, MySQL, complex SQL query development, database design, query optimization, performance tuning

·Monitoring & Resilience: Azure Monitor, App Insights, Alerts, Log Analytics, incident triage, root cause analysis

·AI-Augmented Engineering: AI-assisted development using Claude, Claude Code, Copilot, IaC generation, and automation scripting

·Leadership & Collaboration: Team leadership, technical project management, sprint planning, stakeholder engagement, architectural documentation, mentorship; led crossfunctional teams across development, infrastructure, and business operations

Professional Experience

Fresenius Medical Care · 2016–2026 - Senior Software Engineer Azure Engineer

Medical Alert and Reporting System

·Development of backend RESTful APIs with Node.js, TypeScript, and Express.js

·Led architectural design and development of a cloudnative Medical Alert and Reporting System using Node.js, TypeScript, React, and Azure services.

·Provisioned Azure infrastructure with Terraform and built CI/CD pipelines in Azure DevOps for automated multienvironment deployments and release coordination

·Resolved critical database and API performance bottlenecks through SQL query development and optimization, reducing SLA times by 50%

·Built proactive monitoring and alerting using Azure Logic Apps, Application Insights, and Log Analytics

·Integrated AI-assisted development workflows to accelerate IaC authoring, CI/CD pipeline creation, and automation scripting

Medical Billing System

·Architected end-to-end hybrid cloud Medical Billing System handling sensitive patient and financial data, supporting 800,000 monthly charges

·Built backend RESTful APIs with Node.js, TypeScript, and Express.js, and responsive user interfaces with React

Web-Apps

·Built fullstack Web Apps using Java, Spring, JSP, and microservices to automate sample processing across 4,100 clinics

·Oversaw project planning, requirements clarification, and delivery coordination for multiple Web App initiatives supporting clinical operations and NIH-funded research

·Automated workflows enabling scale from 40,000 to 345,000 patients

·Developed and documented architectural designs; coordinated across development, infrastructure, and business teams

Fresenius Medical Care (formerly National Medical Care) · 1994–2016 - Senior Software Developer

·Developed enterprise client/server and Web Apps supporting lab operations and regulatory compliance

·Built foundational systems that scaled from 500 to 2,000+ clinics and later migrated to Azure

·Contributed to NIH research initiatives and external clinical studies through custom data collection applications

Other Projects:

AI Business Assessment Platform tappandeveloper.com

• Built an AI assessment pipeline using Azure Functions, Blob Storage, Logic Apps, Terraform IaC, and Azure Pipelines, secure webhook endpoints.

Education & Certifications

·Microsoft Certified: Azure Administrator (AZ-104)

·Microsoft Certified: Azure Fundamentals (AZ-900)

·Mercy College - Computer Information Systems

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