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angelalu427/README.md

Hi there! I'm Angela.

I'm a full-stack software engineer with a passion for building AI-powered systems that bridge technical innovation and human-centered design.

Recent projects

  • Chunkwise: An open-source, self-managed platform for evaluating document chunking strategies and deploying validated strategies to RAG systems via automated ETL pipelines.
    • Built with Python, TypeScript, OpenAI APIs, PostgreSQL, pgvector, ChromaDB, and deployed on AWS (ECS Fargate, Batch, S3, RDS, Secrets Manager)
  • Request Bin: A developer tool for capturing and inspecting HTTP requests and webhooks via dynamically generated endpoints, with real-time data streaming via WebSockets.
    • Built with JavaScript, React, Express, PostgreSQL, MongoDB, and deployed on AWS via Nginx.
  • NYT Obituaries RAG Explorer: A RAG system enabling semantic search across 380 New York Times obituaries, with LLM observability.
    • Built with Python, OpenAI APIs, PostgreSQL w/ pgvector, and Arize.
  • My $tocks: A full-stack stock portfolio application simulating trades via an external market API.
    • Built with Python, Flask, and PostgreSQL. This was substantially expanded from an assignment in Harvard CS50, which I completed in 2023.

About Me

  • 3+ years of experience in the Python and JavaScript ecosystems
  • Hands-on experience with cloud platforms such as AWS and DigitalOcean, and applied AI
  • Humanities background and substantial client-facing and product-related experience, with a unique blend of humanities insight and technical expertise

Pinned Loading

  1. Chunkwise/chunkwise Chunkwise/chunkwise Public

    Chunkwise services, AWS CDK infrastructure for self-managed deployments, a CLI for automated deployment, and client code for using the platform

    Python 3

  2. Chunkwise/Chunkwise.github.io Chunkwise/Chunkwise.github.io Public

    Public website for Chunkwise

    MDX

  3. tylermcgraw/request_bin tylermcgraw/request_bin Public

    A developer tool for receiving, persisting, and inspecting HTTP requests and webhooks via a generated URL endpoint

    JavaScript 3 2

  4. nyt_obituaries_rag nyt_obituaries_rag Public

    A RAG system enabling semantic search across 380 New York Times obituaries, with LLM observability

    Python

  5. shopping_cart shopping_cart Public

    An e-commerce shopping cart application

    TypeScript

  6. stock_app stock_app Public

    A full-stack stock portfolio application simulating trades via an external market API

    Python