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enerrio/README.md

Hi, I’m Aaron

Data Engineer with a strong interest in machine learning. I build scalable data systems by day and tinker with ML projects by night. Co-author on PACO (CVPR 2023). B.S. in Electrical Engineering from Sonoma State University. Based in the Bay Area.

I write about all of it on my blog.

Selected Writing

Projects

  • gitgym — Rustlings-inspired CLI tool for learning git through 32 hands-on exercises. Built almost entirely through autonomous AI coding with Claude Code.
  • Feature Store with Iceberg — Feature store on Apache Iceberg with time-travel querying, snapshot-based model auditing, and anomaly detection debugging. Uses PyIceberg, DuckDB, and Docker.
  • GPT-2 in Jax — Full GPT-2 implementation using Jax, Equinox, and Optax. Multi-headed attention, transformer blocks, training loops, and text generation with temperature/top-k decoding.
  • Stock Bots — Three Bluesky bots posting real-time market data for U.S., international, and futures indices. Deployed with AWS Lambda and macOS launchd.
  • Frugal AI Challenge — Audio classification for detecting illegal deforestation, built in Jax. Focused on efficient inference with mixed-precision training and high recall.

Open Source Contributions

  • UK AI Safety Institute - CORE-Bench — Extended the Inspect framework to test AI agents’ ability to reproduce 90 research papers across scientific domains.
  • Minari RL Library — Fixed bugs, improved documentation, and developed tutorials for better library usability.

Tech

Python, Rust, SQL, Go | Jax, PyTorch, Equinox, Optax
AWS (Lambda, Glue, EMR, S3, EventBridge) | Spark, Iceberg, Databricks, Snowflake
Docker, CI/CD, Infrastructure as Code

Connect

Blog · LinkedIn · Bluesky

Pinned Loading

  1. lottery-ticket-hypothesis lottery-ticket-hypothesis Public

    Implementation of the Lottery Ticket Hypothesis in Jax

    HTML

  2. gitgym gitgym Public

    Learn git by doing - 32 hands-on CLI exercises from init to interactive rebase. Inspired by Rustlings.

    Python

  3. CartPole-Reinforcement-Learning CartPole-Reinforcement-Learning Public

    Reinforcement learning Q-learning approach to OpenAI Gym's CartPole environment

    Python 30 6

  4. grokking-mlp grokking-mlp Public

    Explore Grokking phenomenon in ML

    Jupyter Notebook 5

  5. jax-gpt2 jax-gpt2 Public

    GPT2 implementation in Jax

    Python 1

  6. feature-store-iceberg feature-store-iceberg Public

    An implementation of a feature store with Apache Iceberg

    Jupyter Notebook