0101 · building the infrastructure AI runs on

SUZUKITARO

| Senior Rust Engineer · AI/ML Infrastructure |

About

“I'm Suzuki Taro, a senior Rust engineer who builds the systems underneath machine learning: training libraries, checkpointing, agent evaluation and LLM observability. My background is high-performance async services, FFI and distributed protocols that have to stay correct under load. A silent numerical bug or a corrupted checkpoint can cost days of GPU time, so I care about what stays true when things fail.”

Now

2026 →Open-source AI/ML infrastructure: FastNN, jamjet, LLM tracing
FocusTraining correctness, evals, observability

Toolkit

CoreRust · Tokio · FFI · unsafe audits
AlsoPython · TypeScript · OpenTelemetry · Docker

What I do

“How can I help? I make the code that trains, evaluates and observes your models correct, fast and boring in production, from optimizer math to the trace that explains a failed agent run.”

Training internals

Checkpoints & data

Agent evaluation

LLM observability

Rust performance

Distributed systems

Work

Open-source AI/ML infrastructure first, then products I have worked on. Scroll sideways, or use the arrows.

FastNNOpen source · AI/ML

FastNN

Neural-network library in Rust + CUDA. Merged: LSTM/GRU input validation, verified MNIST downloads. In review: centered RMSprop fix, atomic checkpoint writes, batched tensor I/O, Kaiming/Xavier init guards.

RustDeep LearningTraining

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jamjetOpen source · AI/ML

jamjet

Open-source safety layer for AI agents. Merged: fixed weight normalization in composite eval scores, added OpenTelemetry span attributes for coordinator and agent-tool events.

AI AgentsEvalsOpenTelemetry

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foundationforecastOpen source · AI/ML