Skip to content
View hanahub's full-sized avatar
🏠
Working steadily
🏠
Working steadily

Block or report hanahub

Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
hanahub/README.md

GitHub Streak

hanahub's Github chart

Hi, I'm Austin πŸ‘‹

Senior Software Engineer | GenAI/ML/Data Engineer | System Architect

πŸš€ 12+ years of experience designing scalable systems, building AI-powered solutions, and leading engineering teams. I specialize in Generative AI, ML, cloud engineering, and full stack development, with a strong focus on building secure, production-ready platforms across healthcare, fintech, and enterprise domains.

β˜• Support my work

If my projects, guides, or open-source work helped you, consider buying me a coffee β€” it keeps the lights on and helps me build more useful tools and content.

Sponsor on GitHub
Buy Me A Coffee

πŸ”§ Core Skills

  • Languages & Frameworks: JavaScript (ES6/7), TypeScript, Python, Java, C#, Rust, PHP, Ruby on Rails, .NET
  • AI/ML & GenAI: OpenAI, Anthropic Claude, LLaMA, BERT, Hugging Face, Transformers, LangChain, RAG, Vector DBs
  • Frontend: React, Redux, Angular, Vue, Material UI, Bootstrap
  • Backend & APIs: Node.js, Django, REST, GraphQL, Microservices, Serverless Architectures
  • Cloud & Infra: AWS, GCP, Azure, Docker, Kubernetes, Terraform
  • Databases: PostgreSQL, MongoDB, DynamoDB, Elasticsearch
  • DevOps & QA: Jenkins, GitHub Actions, Jest, Cypress, Selenium, TDD

πŸ’Ό Professional Experience

πŸ”Ή Senior Software Engineer, GenAI Architect – Circle Medical (2024–2025)

  • Designed and deployed HIPAA-compliant GenAI voice agents for patient triage.
  • Built RAG pipelines with LangChain + OpenAI, integrating semantic search with Pinecone/FAISS.
  • Architected event-driven microservices with AWS Lambda & API Gateway for real-time NLP and audio streaming.
  • Mentored engineers on Python, serverless, and LLM integration.

πŸ”Ή Senior Full Stack Engineer, GenAI Lead – PayPal (2022–2023)

  • Integrated GenAI (OpenAI, Claude) into internal support systems for automation & summarization.
  • Built microservices with AWS Lambda + DynamoDB, cutting cloud costs by 15%.
  • Refactored legacy apps into TypeScript and modernized frontends with React/Angular.
  • Championed RAG architectures, improving search & support workflows.

πŸ”Ή Full Stack Developer – Synopsys (2020–2021)

  • Built SaaS tools with FastAPI, Node.js, and Azure.
  • Integrated GraphQL & Elasticsearch for faster data exploration.
  • Developed ML-enhanced document workflows and API security improvements.

πŸ”Ή Full Stack Developer – adMixt (2016–2020)

  • Built Fraud Fighter and Social Auto Poster tools (Python, Node.js, AWS).
  • Migrated frontend to React, improving performance & scalability.
  • Designed ML-powered campaign optimization tools.

πŸ”Ή Full Stack Developer – ReynSpooner (2013–2016)

  • Developed an e-commerce platform with Node.js, React, and Python/Django.
  • Built payment APIs with PCI compliance and improved personalization features.
  • Reduced load times by 15% through frontend optimization.

πŸŽ“ Education

University of Southern California
B.S. in Computer Science (2009–2013)

πŸ“« Connect with Me

πŸ’Ό LinkedIn
πŸ’» GitHub
πŸ“§ auleedev@gmail.com

⭐️ Always open to collaborating on Full-stack, GenAI, ML, and cloud-native projects!

Pinned Loading

  1. foxyway.meeter foxyway.meeter Public

    JavaScript

  2. haa-api-rails haa-api-rails Public

    Ruby 1

  3. MasterUI-angular MasterUI-angular Public

    MasterUI AngularJS is free AngularJS admin template based on Bootstrap 4

    HTML

  4. Dappos Dappos Public

    Forked from Dappos/Dappos

    Ethereum based Dapp POS register

    JavaScript

  5. hanaleads hanaleads Public

    JavaScript

  6. oscar-qa-game oscar-qa-game Public

    JavaScript