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joaquinbarrientoscr/README.md

Joaquin Barrientos

Agentic Software Engineer · Ex-Snowflake · Production AI with Claude Code, MCP, n8n · Spec-driven delivery at AI velocity

I build production software where AI writes most of the code — and humans own the architecture, the review, and the outcome.

What I ship

  • Agentic systems with multi-step reasoning and tool use — Claude API, MCP, n8n
  • RAG / CAG pipelines grounded in client-owned knowledge bases
  • End-to-end automations: WhatsApp Business + CRM + Claude, with proper human handoff
  • AI-native workflows — Claude Code as primary development environment, spec-driven delivery

Background

  • ~3 years Software Engineer at Snowflake Inc. (formerly Mobilize.Net) Full-stack engineer on SnowConvert, an enterprise SQL migration platform used by Fortune 500 customers.
  • B.S. Systems Engineering, Universidad Nacional de Costa Rica · GPA 9.15 / 10

Stack

Claude Code · Claude API · MCP · n8n · Python · TypeScript · SQL · REST APIs · WhatsApp Business API · CRM integration · Docker · Git · Snowflake

Beyond client work

I maintain a systematic trading research codebase across different markets (SBS — Session Breakout Strategy). 10,432 trades backtested across 23 years and 11 validated currency pairs, with institutional-grade risk overlay reducing P(DD>40%) from 99.9% to 1.6%. It's where I stress-test ideas about statistical robustness and AI-assisted engineering practices outside client constraints.

Currently

Independent consultant · Building AI-native systems for SMBs and startups. Based in San José, Costa Rica · Open to global remote engagements.

Connect

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