Xintong Shi

Data Scientist & ML Engineer

Turning complex data into decisions that move the needle — from fraud detection at scale to real-time ML systems.

Projects

VoiceGuard

Configurable voice assistant safety framework with bidirectional guardrails for the OpenAI Realtime API. Features pluggable safety policies, real-time transcript interception, race condition handling, and a HarmBench-aligned evaluation harness.

PythonOpenAI Realtime APIAnthropic APIasyncio

Ordinal Regression Network

Rank-consistent deep learning method for ordinal regression using conditional probabilities. Published in Pattern Analysis and Applications (2023).

PythonPyTorchDeep Learning

Betting Market Trader

In Progress

ML-powered Kalshi trading bot and automated trading logic built on the PolyClaw skill framework.

PythonNext.jsPolyClaw

Job Search Tailor

Daily job search + resume archetype matching skill for OpenClaw. Searches LinkedIn for jobs, deduplicates listings, and matches each to a tailored resume archetype. Published on ClawHub.

PythonOpenClawClawHub

QuizMe

Adaptive tech quiz skill for OpenClaw. Asks one question at a time with code snippets, adapts difficulty dynamically, and uses a rolling question bank — generating batches via GPT-4o-mini, refilling when low, and graduating users to harder levels at 80% accuracy. Published on ClawHub.

PythonOpenAI APIOpenClawClawHub

Publications

Deep neural networks for rank-consistent ordinal regression based on conditional probabilities
Pattern Analysis and Applications · 2023
A novel rank-consistent method for ordinal regression in neural networks using conditional probabilities, ensuring monotonicity across output classes.

Resume

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