Aaron Kantrowitz
Senior software engineer building AI into production systems.
10+ years shipping enterprise and ecommerce platforms. Most of my recent work is agentic workflows, MCP servers and LLM features, built in TypeScript and Python on Cloudflare and Postgres.
- 10+ years in production engineering
- Shopify Plus since 2016
- Agentic systems and MCP
Selected work
ConsultingHarness
A SaaS back office for consultants. Proposals, SOWs, e-signatures, Stripe invoicing and an MCP server so AI assistants can run it with guardrails on destructive actions. Built on Cloudflare and Neon.
Apple Reminders MCP
Open source Claude Desktop extension that reads and writes macOS Reminders locally through AppleScript.
Enterprise replatforms
Led Shopify Plus builds and replatforms off Salesforce Commerce Cloud for brands including Kylie Cosmetics, MVMT Watches and Aria Resort & Casino.
CapCheck
A fact checking platform built on a LangGraph multi-agent pipeline with Claude. Verdicts come only from retrieved evidence, and a fine-tuned Vision Transformer flags AI-generated images.
Background
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2026 to now
A.
Independent Software & AI Engineer
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2026
Columbia Sportswear Company
Product Lead
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2025
Spacebox Digital
CTO
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2019 to 2024
Akantro
Co-founder and CEO
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2017 to 2019
REQ
Head of Development
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2016 to 2017
BVA
Head of Technical Project Management
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2015 to 2016
Accumen
Business Analyst
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2014 to 2015
Thermo Fisher Scientific
Business Systems Analyst
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2006 to 2014
The Home Depot
Senior IT Business Systems Analyst
Get in touch
I'm open to full-time senior and staff engineering roles, San Diego hybrid or remote. Recruiters and hiring managers can email me directly. I also take on select Shopify Plus and AI engineering projects.
Or reach out directly: