Co-founder · CTO & CPO at Aleta Index — building the data infrastructure that turns the world's news into credible, structured signal for AI agents and decision-makers.

Designer-engineer. I build the models, the pipeline, and the product.

stack = {
    "ml":    ["Transformers", "LoRA", "Qwen3-Embedding", "FinBERT", "XGBoost"],
    "infra": ["Python", "FastAPI", "PostgreSQL/pgvector", "FAISS", "Docker", "GCP/AWS"],
    "craft": ["design", "product", "user research"],
}

Building

• relia — hosted API that scores how relevant a news article actually is to a company. LoRA Qwen3 bi-encoder · 86.5% agreement with frontier LLM raters · ~18ms/article.
• aletaindex-fin-narratives — a financial narrative brain for AI agents: clusters news into narratives, tracks sentiment momentum, maps narrative risk. MCP server + REST API.
• aletaindex-narrative.com — the live news-narrative product, powered by a Claim DAG + RL source-credibility engine.

📍 London  ·  jamiezhao.com  ·  LinkedIn