Alex Qian

PyTorchOpenCVCUDANumPypandasscikit-learnSciPyMatplotlibApache SparkHadoopReactNext.jsNode.jsFastAPIMySQLSQLiteSQL ServerPostgreSQLMongoDBRedisFirebaseDockerAWSCMakeAnacondaGitFigma

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Two builds I keep coming back to — the full log lives on the projects page.

Full-StackLLM assistant · 3D venue viewer

A live-event seat-review platform: search venues and seats, rate the view and sound, and explore an interactive Three.js 3D venue — with an LLM assistant that answers questions through 10 database-query tools.

Watch it run

Systems & HPC8.9× build speedup

Multi-GPU ANN Search

Extended the CAGRA graph ANN algorithm into a multi-GPU vector-search framework: sharded scatter-gather, zero-copy shared-memory loading of SIFT1B, 50M+ vectors indexed at >97% Recall@10.

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All projects About me

AlexAN

What I’m up to

MLE intern in robotics

M.Eng. ECE at Waterloo

Multimodal LLMs

Photography & hi-fi audio

By the numbers

Gear on board

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Frameworks & tools

Recent favorites

LiveLens

Multi-GPU ANN Search