Cole McIntosh

Founder @Mellow AI

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Cole McIntosh

Software Engineer & Founder, Mellow AI


About

Software engineer who sits with teams, finds the bottleneck, and ships production AI workflows: agents, extraction, and retrieval. Owns reliability after ship: evals, cost, latency, and failure modes. Python and TypeScript. Founder of Mellow AI. Author of LangChain's Salesforce integration. Contributor to LiteLLM (50+ PRs) and Pydantic AI.


Experience

FounderMellow AI

2025 – Present
  • Embed with teams to turn fuzzy AI problems into scoped, shipped systems spanning extraction, agents, and evaluation
  • Built openextract, a model-agnostic document extraction toolkit (Python, Pydantic) used in production workflows
  • Owned cost and latency tradeoffs on custom OCR: 95% cheaper and 75% faster than the prior path
  • Upstreamed production patterns into LiteLLM (50+ merged PRs) and Pydantic AI

AI / Data EngineerPay Ready

2023 – 2025
  • Shipped production AI agent workflows that cut manual effort 60%, then owned them after the first version
  • Built a multimodal document and text pipeline (+25% accuracy) and debugged model failures in real traffic
  • Shipped Slack RAG bots used in daily work, cutting retrieval time 75%

Scaled Tooling AnalystOtter / CloudKitchens (now Atoms)

2022 – 2023
  • Embedded with ops and engineering to ship internal tooling: Python pipelines scoring ~500GB/week
  • Shipped a Jira chatbot from discovery through production. Resolution times improved 30%

Business AnalystRealPage

2021 – 2022
  • Partnered with 75+ internal users to ship SQL models and dashboards
  • Automated reporting pipelines, cutting manual workload 25%

Open Source

LangChain-SalesforceAuthor of the official Salesforce integration
Pydantic AIContributor (xAI tools and model settings)
LiteLLM50+ merged PRs on the LLM gateway
SmolAgentsContributor to Hugging Face's lightweight agent framework

Projects

Open Lease AuditStreaming lease extraction and cross-portfolio integrity console (Next.js, TypeScript). Schema, extract, audit, with evidence and confidence per field.
openextractOpen-source document extraction toolkit (Python, Pydantic). Turns PDFs, images, and text into structured data using LLMs. Type-safe, model-agnostic, 1K+ PyPI downloads.
pdfmdZero-dependency Rust PDF to Markdown converter. About 4ms on a 17-page paper. Owned the parser, decoder, and heuristics end to end.

Education & Certifications

  • RAG, LangChain, LangGraph, Semantic Search, DeepLearning.AI
  • Azure Applied AI, Microsoft
  • AWS Cloud Technical Essentials, Amazon
  • Google Cloud Fundamentals, Google