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dmascia/README.md

πŸ‘‹ Hi, I'm David Mascia

Engineering Leader @ Equip Health

πŸ“ New Jersey, NJ
πŸ”— LinkedIn
πŸ’» GitHub
✍️ Tech Blog


πŸš€ About Me

Engineering leader with 20 years of experience building and scaling high-impact software platforms across Generative AI, Healthcare, FinTech, Media, and eCommerce.

I specialize in:

  • Leading distributed engineering teams
  • Building AI-powered platforms and developer workflows
  • Driving Agentic AI and Generative AI adoption
  • Designing scalable cloud-native architectures
  • Building high-performance web and mobile applications

I have led engineering organizations of up to 15 engineers, driving technical strategy, hiring, mentorship, architecture governance, and delivery execution. My focus is building high-performing teams while delivering secure, scalable products that create measurable business impact.


πŸ€– AI Engineering & Innovation

Currently focused on building the next generation of AI-powered software engineering workflows.

Agentic AI & Generative AI

  • Agentic AI Software Development Lifecycle (SDLC)
  • Retrieval-Augmented Generation (RAG)
  • Large Language Model (LLM) Applications
  • Claude Code
  • AWS Bedrock AgentCore Workflow
  • AWS Bedrock Agents
  • AI-assisted software development
  • Knowledge retrieval systems
  • AI workflow automation

Recent impact:

  • Improved engineering productivity by up to 7Γ— through AI-assisted SDLC workflows
  • Built HIPAA-compliant AI healthcare platforms using RAG and LLM-powered workflows
  • Developed AI-driven patient engagement and conversational healthcare experiences

πŸ—οΈ Engineering Leadership

I enjoy building strong engineering organizations through:

  • Technical strategy and architecture leadership
  • Team building and mentorship
  • Engineering excellence and best practices
  • Agile delivery and OKR execution
  • Hiring and organizational scaling
  • Cross-functional partnership with Product, Design, and Business teams

Leadership experience:

  • Managed teams of up to 15 software engineers
  • Led globally distributed engineering teams
  • Established architecture governance and engineering standards
  • Mentored engineers and technical leaders

☁️ Cloud & Platform Engineering

Experienced designing and operating large-scale cloud platforms:

Cloud

  • AWS
  • Google Cloud Platform (GCP)
  • AWS Bedrock
  • AWS Amplify
  • AWS EC2

Architecture

  • Cloud-native systems
  • Microservices
  • Distributed systems
  • High availability platforms
  • API architecture
  • Observability

DevOps

  • Kubernetes
  • Docker
  • GitHub Actions
  • CI/CD automation
  • Infrastructure modernization

πŸ“± Web & Mobile Engineering

Building scalable applications across web and mobile ecosystems.

Frontend

  • React
  • React 19
  • Next.js
  • TypeScript
  • Redux/RTK
  • GraphQL

Mobile

  • React Native
  • Expo
  • iOS / Android
  • Real-time applications
  • HLS video streaming
  • WebSocket architectures

Selected achievements:

  • Built mobile platforms increasing user engagement by 40%
  • Delivered applications supporting 1M+ active users
  • Architected platforms generating $5M+ annualized revenue

πŸ† Career Highlights

Healthcare AI

  • Led development of HIPAA-compliant conversational AI healthcare platforms
  • Built RAG-based patient workflows and secure AI experiences
  • Contributed to platforms securing $1M in institutional funding

Media Platforms

  • Scaled live streaming platforms supporting 1M+ users
  • Built high-availability systems using React, GraphQL, Kubernetes, and GCP

eCommerce Platforms

  • Architected systems supporting $250M+ annual gross revenue
  • Delivered 300+ partner integrations generating $5M+ annualized revenue
  • Built React Native applications generating $1M in first-season sales

πŸ› οΈ Technology Stack

AI / ML
β”œβ”€β”€ Generative AI
β”œβ”€β”€ Agentic AI
β”œβ”€β”€ RAG
β”œβ”€β”€ LLM Applications
β”œβ”€β”€ Claude Code
└── AWS Bedrock

Frontend
β”œβ”€β”€ React
β”œβ”€β”€ React Native
β”œβ”€β”€ Next.js
β”œβ”€β”€ TypeScript
└── GraphQL

Backend
β”œβ”€β”€ Node.js
β”œβ”€β”€ Java
β”œβ”€β”€ Python
β”œβ”€β”€ Django
└── NestJS

Cloud & DevOps
β”œβ”€β”€ AWS
β”œβ”€β”€ GCP
β”œβ”€β”€ Kubernetes
β”œβ”€β”€ Docker
β”œβ”€β”€ GitHub Actions
└── CI/CD

Pinned Loading

  1. react-native-use-tts react-native-use-tts Public

    A production-grade, npm-publishable React Native Text-to-Speech hook with queueing, priorities, telemetry hooks, and deterministic initialization.

    TypeScript

  2. aws-bedrock-agentcore-runtime-example aws-bedrock-agentcore-runtime-example Public

    A production-quality reference implementation for interacting with AWS Bedrock AgentCore runtimes. Demonstrates correct runtime session management, safe AWS credential handling via the SDK default …

    TypeScript

  3. aws-bedrock-agentcore-postman aws-bedrock-agentcore-postman Public

    Postman-based tooling for invoking AWS Bedrock AgentCore runtimes with reusable runtime sessions, dynamic headers, and secure AWS credential injection.

    1 1

  4. Gallery Gallery Public

    TypeScript

  5. leetcode_sync leetcode_sync Public

    Python

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