Brian Onieal
Agentic AI engineer | LangGraph, RAG, production LLM apps
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Multi-agent personal finance platform built on LangGraph. Two coordinating agents handle financial queries and account sync, backed by a household-scoped database schema and type-safe tRPC procedures. Integrated Plaid for live bank account and transaction data. Backend deployed on Render, frontend on Vercel. Rebuilt from the ground up to a fully tested production state with a comprehensive automated test suite covering agent routing and core financial logic. Stack: LangGraph, Python, FastAPI, Next.js, TypeScript, tRPC, Plaid, pgvector.
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Multi-agent personal finance platform built on LangGraph. Two coordinating agents handle financial queries and account sync, backed by a household-scoped database schema and type-safe tRPC procedures. Integrated Plaid for live bank account and transaction data. Backend deployed on Render, frontend on Vercel. Rebuilt from the ground up to a fully tested production state with a comprehensive automated test suite covering agent routing and core financial logic.
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