AI system design guide for engineers building production AI systems and evals.

GEO 领域 AI 员工开源方案 · Open-source GEO AI-employee solution (MIT). GEO Skills package + curated lists of agents and office CLIs that make up the AI-employee stack.

opinionated tools for shipping AI into real-world domains

AI-powered data intelligence platform that turns messy nonprofit CSVs into grant-ready insights. NL queries, auto data cleaning, LLM-generated narratives. Built with FastAPI, Streamlit, and Groq.

Case studies — production builds and client work by Carl Lewis (Forward Deployed Engineer)

AI-powered enterprise data pipeline agent — schema discovery, NL-to-SQL, Airflow DAG generation, data quality monitoring. Built as an FDE portfolio project.

Multi-agent AI support system built with LangGraph, RAG, and Groq. Classifies, answers, and evaluates support tickets end-to-end using free open-source tools.

Hands-on Forward Deployed Engineer role simulations: scope an enterprise engagement, build multi-agent prototypes, ship eval suites, score artifacts against a reference, detect expert traps, and defend the build under a timed oral grill.

OpenFDE — the marketplace for Forward Deployed Engineers. Search & hire vetted FDEs who ship production AI (RAG, agents, LLM systems), or browse open roles. Vanilla JS, live on Cloudflare Pages: https://openfde.democra.ai

PII-safe, audit-logged triage agent — a minimal Forward-Deployed reference for Claude tool-use + evals. Live demo at claude-triage.vercel.app

Team Lead Harness — an Agent Orchestration Layer for Claude Code. Multi-agent discipline: reasoning tiers, token caps, hook gates, MR review pipeline. MIT

Daotao Sun (Tom) — CV. Forward Deployed Engineer · 10 yrs · 3 resume versions (EN/ZH senior simple + ZH branded). Live at https://caspian-sun.github.io/cv/