Austin Lee
Senior Software Engineer • GenAI / ML / Data Engineer • System Architect
About
12+ years building scalable systems, GenAI/ML solutions, and cloud-native architectures across healthcare, fintech, and enterprise. I design and ship production-grade GenAI and voice-agent systems, RAG pipelines, and secure cloud infrastructure.
JavaScript
React
Python
Node.js
Java
C#/.NET
TypeScript
AWS
Terraform
LangChain
Pinecone
FAISS
SageMaker
Github Contributions
Selected Projects
GenAI Voice Agent (Circle Medical)
Real-time audio ingestion, NLP extraction, and secure clinical summarization using LangChain + GPT + Pinecone.
React
Express js
Mongodb
Tailwind Css
daisy UI
Support RAG Platform (PayPal)
Knowledge augmentation and automated response generation, reducing ticket response time by 40%.
React
Node.js
LangChain
Pinecone
OpenAI API
Internal SaaS Tools (Synopsys)
Analytics and ML-powered document workflows using FastAPI, Elasticsearch, and GraphQL.
FastAPI
Elasticsearch
GraphQL
Python
Docker
Real Estate Listing Platform
Search, filtering, map views, and property detail pages with geolocation support.
React
Leaflet
Node.js
MongoDB
eCommerce Dashboard
Admin dashboard with sales metrics, inventory, and order management components.
React
Redux
Node.js
Tailwind Css
Video Streaming Platform
Live and on-demand video streaming, user channels, chat, and analytics dashboard.
React
WebRTC
Node.js
Socket.io
Online Learning Portal
Course listing, progress tracking, quizzes, and video content delivery.
React
Firebase
Tailwind Css
Node.js
Restaurant Reservation System
Table booking with availability grid, time slots, and customer notifications.
React
Express js
MongoDB
Tailwind Css
Portfolio Website Builder
Drag & drop portfolio templates, live preview, and deploy feature set.
React
Vite
Tailwind Css
daisy UI
Blog CMS
Full content management, markdown editor, tagging, and publishing workflows.
React
Node.js
MongoDB
Tailwind Css
Travel Booking App
Flight/hotel search, booking flow, maps, and itinerary management.
React
Leaflet
Express js
MongoDB
Event Ticketing Platform
Event catalog, ticket purchase, QR-code check-in, and seat map views.
React
Node.js
MongoDB
Tailwind Css
Fitness Tracker Web App
Workout logging, progress charts, and integration with wearables/APIs.
React
Redux
Node.js
Tailwind Css
Job Board Platform
Search, filters, job posting, applicant tracking, and notifications.
React
Express js
MongoDB
Tailwind Css
Photo Gallery Website
Responsive photo grid, lightbox view, metadata filtering and upload tools.
React
Node.js
Tailwind Css
Online Survey Tool
Form builder, responses dashboard, analytics, and export capabilities.
React
Node.js
Tailwind Css
Experience
Jan 2024 - May 2025 • Circle MedicalSenior Software Engineer, GenAI Architect (Contract)
Led architecture and engineering of AI-powered clinical tools, voice agents, and scalable microservices in a HIPAA-compliant environment.
Jan 2022 - Dec 2023 • PayPalSenior Full Stack Engineer, GenAI Lead (Hybrid Contract)
Integrated GenAI into support systems and refactored backend platforms to improve reliability and developer velocity.
Apr 2020 - Dec 2021 • SynopsysFull Stack Developer (Remote Contract)
Built internal SaaS tools and ML-enhanced workflows for document classification and analytics.
Sep 2016 - Mar 2020 • adMixtFull Stack Developer (Remote Full-time)
Built tools for fraud prevention, automation, and campaign optimization with serverless patterns.
Apr 2013 - Aug 2016 • ReynSpoonerFull Stack Developer
Built e-commerce platforms, migration to SPAs, and integrated secure payment flows.
Get In Touch
Have a project, opportunity, or question? Send me a message and I'll get back to you.
Or email me directly at auleedev@gmail.com
Support my work
If my projects, guides, or open-source work helped you, consider buying me a coffee — it keeps the lights on and helps me build more useful tools and content.
