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Hey!

I'm an engineer who has deep experience shipping products and systems across a wide set of problem domains. Here are a few things I've worked on over the years:

  • Data analytics - I spent years co-maintaining an internal fork of Apache Spark, finding some bugs and fixing them upstream as well as making (sadly closed-source) changes to the query planner and core engine
  • Streaming systems - I led a team in building a self-service data streaming platform that was used by airline, manufacturing and government customers for soft realtime applications
  • Computer Vision - I've spent a lot of time building apps and workflows on top of commercial and open source computer vision algorithms, including fine tuning off the shelf models where appropriate.
  • Infra - I've stood up Terraform pipelines to automate AWS deployments, built Kubernetes operators to deploy Apache Kafka clusters, wrote observable code and used perf testing tools to speed up hot paths by >1,000x. I also built this thing.
  • Embedded hw/sw - I built out tooling to flash dozens of NVIDIA Tegra devices that were loaded into aircraft
  • Space - Lots of experience in the Space industry, working with commercial (and non-commercial) satellite imagery and building new products in the GIS space. Ran code on a satellite 🚀🛰️ (yes you better believe it was in Rust!)

Find me on

Andrew Duffy's Projects

1brc icon 1brc

1️⃣🐝🏎️ The One Billion Row Challenge -- A fun exploration of how quickly 1B rows from a text file can be aggregated with Java

aima-python icon aima-python

Python implementation of algorithms from Russell And Norvig's "Artificial Intelligence - A Modern Approach"

arrow-rs icon arrow-rs

Official Rust implementation of Apache Arrow

auto-gpt icon auto-gpt

An experimental open-source attempt to make GPT-4 fully autonomous.

basics icon basics

Hugo theme. Now available from official hugo theme site!

beamweb icon beamweb

Flick web pages from your iPhone to your computer

borgo icon borgo

Borgo is a statically typed language that compiles to Go.

brushfire icon brushfire

Distributed decision tree ensemble learning in Scala

cachy icon cachy

terrible lru cache over http

camerars icon camerars

Cloud syncing for your cheap security cameras (starting with Eufy)

carveml icon carveml

CS229 Final Project: An ML-based file fragment classifier

cc-redis icon cc-redis

Implementation of CodeCrafters Redis challenge

classy icon classy

JVM classfile parsing library and printing tool

cockroach icon cockroach

A Scalable, Survivable, Strongly-Consistent SQL Database

cog-spec icon cog-spec

Repository for the Cloud Optimized GeoTIFF specification

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