Hi, I'm Siyao Zhang

AI Product & Overseas Ops —
I design agent systems that learn from their own output.

AI is pushing the cost of building software toward zero. That makes attention — not code — the scarce input, and attention only follows real demand. I design agent systems on the build side, and use my own audience as a live demand test, so I can tell which user needs are real before I build.

AI Product Design Agent Workflows International · CN · EN · JP · FR AI-Augmented Engineering

Available from Sept 2026 · Beijing or remote · seeking AI product or overseas ops internships Get in touch →

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What I build: Two production agent systems in daily use — a 7-agent content pipeline (first video shipped: 110K+ views · 3,856 saves) and a Markdown-controlled task router with a typed state machine. Systems design, not prompting.

Training: M2 Economics at Panthéon-Sorbonne, dual-degree in Finance from UIBE Beijing. The habit that transfers: treat every product decision as an experiment — hypothesise, A/B test, iterate. Same instinct across dispatch optimisation in Python, hook tests on Douyin, and every agent chain I design. Range: three continents (Beijing · Tokyo · Paris), led a 60-person volunteer association & grew a digital platform to 2K+ subscribers.

Available From

September 2026
Beijing (on-site) · Remote possible
AI Product · Overseas Ops · International AI PM

What I Do

AI Product: agent workflow design, prompt engineering, PRDs, data-driven iteration
Overseas Ops: localisation (not translation), cross-market content strategy, EU / JP market research

Currently

M2 Sustainable Development Economics
Université Paris 1 Panthéon-Sorbonne

International

Beijing · undergrad Tokyo · exchange year Paris · Masters

Things I've built

Each project started with a real problem — and turned into a system I actually use.

task-board.md · edited
fswatch · 2s debounce
Quiescence gate · 30s idle required
LLM decision layer · parse state machine
↓ ready↓ blocked:*↓ running:*
Parallel exec
Skip
Dead-lock check
State-machine routing · Self-healing · Human-in-the-loop Read the case →
Agent Orchestration · System Design 2026

Task Router Agent — State-machine orchestration on a Markdown file

Running daily on my own machine · Session-independent · Self-healing state machine

An LLM-powered task runtime where a single Markdown file is the control plane. Typed state machine + single-writer protocol + self-healing. The insight: structured state, not better prompts, is what turns agents from execution bots into reasoning partners.

Agent Orchestration State Machine Event-Driven Architecture LLM Runtime Design Markdown as UI
Topic Script Hook Title QC Data Review methodology.md shared state writes rules reads gate Feedback loop filter grows stricter each publish cycle — no prompt change required
Data-driven methodology · Feedback loop View details →
AI Agent System · Production 2026

AI Content Automation Pipeline

Running daily on my own content workflow · Methodology file self-updates via feedback loop

7 agents covering topic → script → hook → title → quality check → data review. Each agent has a typed I/O contract; the Data Review agent writes validated rules back into a shared methodology file that the Topic Filter reads on the next cycle — so the filter gets stricter over time without prompt changes.

After 12 publishes: first video shipped 110K views · 3,856 saves · 3 content types auto-banned by data, not intuition · methodology file grown from 0 → 3 banned + 4 validated formats.
Prompt Engineering Agent Routing Architecture Multi-Agent Orchestration Data-Driven Iteration
Oracle
Seal
Modern
= +
Time travel · Composition · 2 characters Try the demo →
Product Design · Interaction Prototype 2026

Rooted (根) — Interaction-first design for Chinese character learning

Live prototype · Product-thesis validation · Interaction-first language-learning design

One high-fidelity interaction per version, each carrying a single design thesis. V1: slide through 3,000 years of 马 (horse) from Oracle Bone to modern strokes. V2: tap 妈 and watch it decompose into 女 + 马 (phonetic). One interaction, one thesis, no feature list.

Design bet: the interaction is the value proposition. If a learner derives the mental model from the interaction alone, the design validates itself — no tutorial copy required.
Product Thesis Validation User-Centered Design Interaction Prototype Cognitive Design Language Product
Technical Demo · Open Source 2026

Function Calling Demo — a minimal Anthropic tool-use loop

Public GitHub repo · ~350 lines of Python · 13 pytest tests (security boundary included)

A minimal tool-use agent written without any framework — direct Anthropic API. Ships 5 typed tools (each with a JSON Schema), a dispatcher, a path-traversal guard enforced at the handler level, and a MAX_TOOL_ITERATIONS cap with a comment explaining when it should fire. Built to understand the primitive, not the framework.

Why this exists: every agent framework (LangChain, AutoGen, Claude Agent SDK) wraps the same loop. Seeing it plain makes the design trade-offs visible — why typed tools beat a god-tool, why the boundary check lives in code not prompt, why an iteration cap signals a bad schema.
Function Calling Tool Use JSON Schema Path Traversal Guard pytest
Research · Modelling 2025

Energy Demand Forecasting & Supply Optimisation

Deloitte-mentored case study — university group project, Paris

End-to-end quantitative framework for South Africa’s electricity system: 6 forecasting models benchmarked (ARIMA → TFT) + Pyomo dispatch optimisation under carbon / capacity / contractual constraints.

Finding: SARIMAX beat LSTM/TFT on tail-risk metrics — simpler econometric models proved more robust under structural supply stress.
Time Series Forecasting Model Benchmarking Python Pyomo LSTM TFT SARIMA Prophet
Research · NLP 2025

Robotics Exposure Index for European Labour Markets

Big Data for Development — Group research, Panthéon-Sorbonne

Exposure index for European occupations to robotics adoption, via LSA on patent + job-description corpora. Middle-wage routine-task jobs face the highest automation risk (consistent with labour market polarisation theory).

Result: +1σ robotics exposure → −7.2% mean hourly wages (β = −0.072, p < 0.001) across 34 European countries.
Python LSA NLP LightGBM SHAP OLS Causal Inference
Student Organisation · Director & Founder 2021 – 2023

Volunteer Association Director & Digital Platform Founder

University of International Business and Economics (UIBE), Beijing · Sep 2021 – Apr 2023 (1 yr 8 mos)

Led a 60-person volunteer association across 2 departments. Coordinated 100+ volunteer projects over 20 months — including training 40+ student volunteers for Beijing 2022 Winter Olympics support.

Founded the association's first WeChat public account from scratch — set editorial direction and content strategy, grew it to 2,060 subscribers and 213 published articles. The account is still active 3 years after my handover.
Team Leadership Product Ownership Zero-to-2K User Growth Project Coordination

What I work with

AI Systems & Tools

I design systems where multiple AI agents handle entire workflows — from decision-making to execution to self-review.

AI-Augmented Engineering Agent Workflow Design Multi-Agent Orchestration Prompt Engineering Context Engineering

Data & Engineering

Data is how I verify that AI systems actually work. Every experiment needs numbers instead of intuition.

Python Machine Learning SQL Econometrics Forecasting Data Analysis

Cross-Cultural

Studied and worked across Beijing, Tokyo and Paris — comfortable operating between Chinese and international product contexts.

Beijing · Tokyo · Paris Localisation Instinct International Research Content Strategy

Where I've studied

2025 – 2026

M2 — Sustainable Development Economics

Université Paris 1 Panthéon-Sorbonne · Dual Degree in Finance, UIBE Beijing

Professional track. Coursework in Big Data for Development (image & text analysis in Python), Econometrics & Impact Analysis, International Climate, Industrial Development & Finance.

CSC Scholarship
2024 – 2025

M1 — Economics (PSME) — Development Track

Université Paris 1 Panthéon-Sorbonne

Master's thesis on trade credit, risk sharing, and inventory financing — Stackelberg equilibrium analysis.

CSC Scholarship
2023 – 2024

Exchange Year — Waseda University

Tokyo, Japan

Full-year exchange during B.Sc. at the School of Commerce. Coursework conducted in English, covering economics and international relations.

JLPT N2 · School of Commerce
2020 – 2024

B.Sc. — Economics & Japanese (Dual Degree)

University of International Business and Economics (UIBE), Beijing

Dual degree combining economics with Japanese language and culture. Includes a one-year exchange at Waseda University, Tokyo.

Dual Degree

Let's connect

Currently seeking AI product or overseas ops internships.

StartSept 2026
LocationBeijing or remote
Duration3–6 months

Cross-cultural background across Beijing, Tokyo and Paris — well-placed for teams bridging Chinese and international markets.