Yao Xiang

Mera: Digital Health Companion (Team Lead) | Python, Next.js, FastAPI, SEA-LION, MERaLiON, MediaPipe WASM, Docker Feb 2026 - Mar 2026

Architected an agentic Telegram health companion for aged/chronically ill patients, orchestrating a fully Dockerized "Open Claw" multi-LLM stack (SEA-LION v3.5-8B-R + MERaLiON ASR/SER v1) for sandboxed, sovereign-AI inference — zero foreign cloud dependency.
Engineered 3 WASM-based clinical mini-apps (Smile Checker, Mobility FSM, rPPG Heart Rate) executing entirely on-device with zero data leakage; empirically validated: 100% Smile Precision, 92–98% Mobility FSM Accuracy, 3.70 MAE rPPG vs. clinical oximeter (0.93 Pearson).
Implemented a trend-aware SQLite analytics pipeline injecting rolling N=20 historical baselines (mean/median/σ) into SEA-LION prompts, enabling the LLM to distinguish temporary fatigue from progressive clinical decline.

Wingman Local AI Assistant | React, Electron, SQLite, Python, Ollama May 2025 - Present

Engineered a fully offline, zero-latency desktop productivity application orchestrating advanced Inter-Process Communication (IPC) between a React frontend and a Python FastAPI backend.
Implemented an offline-first data persistence architecture using a Local SQLite engine, effectively uncoupling the application from cloud dependencies (Supabase) to strictly enforce user privacy.
Integrated local Large Language Models via Ollama, securely handling asynchronous background streams natively within the user's host environment.

Shoppo / TinyFish Shopping Agent | Python, React, FastAPI, SQLite, Telegram Bot API, SSE Mar 2026

Built a Telegram-native shopping agent that converts vague text, photos, and budget constraints into structured sourcing briefs before dispatching grounded marketplace searches through TinyFish.
Implemented a FastAPI + SQLite run coordinator and live report flow preserving per-marketplace status, search URLs, screenshot paths, upstream diagnostics, and streaming telemetry.
Designed a shortlist evaluation pipeline that normalizes and ranks listings across Carousell, Lazada, Amazon SG, and Alibaba, shifting the user outcome from raw links to evidence-backed buying decisions.

HacX AV-Sensor-Disruptor Turret | C++, Arduino, Python, OpenCV Oct 2025 - Nov 2025

Developed a dual-mode, non-destructive countermeasure prototype integrating physical lasers and algorithm-driven tracking to safely force autonomous vehicles into emergency stops at 15m distances.
Mapped OpenCV object-tracking positional data to physical Arduino microcontrollers via high-fidelity serial communication to drive multi-axis motor sweeps in real-time.

MatrixSolver LES Terminal | Python, Numpy, Scikit-Learn, Matplotlib Mar 2026 - Present

Built a sophisticated diagnostic engine evaluating System of Linear Equations, natively rendering multi-dimensional data boundaries via Matplotlib surface mapping.
Applied machine learning models tracking Ordinary Least Squares (OLS) and L2 Regularized Ridge Regression handling underdetermined and overdetermined edge cases via pseudo-inversion limits.

Education