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Oscar Eduardo W.
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Oscar Eduardo W.

Claude Architect - MCP Engineer - Fullstack - WordPress

Senior Full-Stack Engineer and AI Architect with 20+ years of experience developing enterprise web platforms and recently integrated AI workflows. Specialized in specification-driven authoring of Claude skills (`SKILL.md`), custom Model Context Protocol (MCP) servers, gated write workflows, and backend system architecture. Member of Claude Partner Network Core Technical Capabilities: 1. Claude Skills, MCP & AI Workflows: - Authoring multi-user Claude skills (`SKILL.md`) with explicit triggering criteria, precedence rules, and context boundaries. - Implementing gated CRM write controls requiring human verification prior to database mutations. - Building custom MCP servers to connect Claude with external platforms (HubSpot, Airtable, Make, Slack, Gmail, Google Calendar, Box). - Executing test suites to measure activation accuracy, prevent false positives/negatives, and enforce consistent output across team members. - Establishing system-first timestamp policies and strict data integrity rules. 2. WordPress & E-Commerce Engineering: - Custom plugin, theme, and headless WordPress development (Bricks, Elementor, Gutenberg). - WooCommerce customization, payment gateway integration, and API middleware. - Core performance optimization, caching architecture, security hardening, and malware recovery. 3. Web Application & Infrastructure Development: - Frontend: React, Next.js, Angular, TypeScript, Tailwind CSS, Material UI. - Backend & APIs: Python (FastAPI, Flask), Node.js, PHP, REST/GraphQL orchestration, n8n. - Cloud & Databases: AWS (S3, EC2), Azure, Docker, CI/CD pipelines, PostgreSQL, MySQL. Engagement & Availability: - Full-time availability (40+ hours/week) with full coverage for US East Coast and Central time zones (EST/CST). - Available for direct contracts, fixed-scope skill builds, technical consulting, or agency-led team engagements via AppSpring Tech.

🇨🇴Bogota, Colombia$20/hr100% JSS5.00 (18)Since Nov 2017

Earnings and projects

MRR
$1.8k

Last 6 months ÷ 6

World#25,692 / 412k
🇨🇴Country#330 / 4,578
Revenue, last 30 days
$5.1k

Last 6 months: $11k

World#5,469 / 412k
🇨🇴Country#44 / 4,578
Total earnings
$298k

Billed in all: $313k

World#7,808 / 412k
🇨🇴Country#42 / 4,578
Per project
$7.8k

$723 in the last 6 months

World#21,388 / 412k
🇨🇴Country#274 / 4,578
Projects, last 6 months
15

Across 19 contracts

37% fixed63% hourly
World#9,890 / 412k
🇨🇴Country#55 / 4,578
Projects in all
38

Across 46 contracts

30% fixed70% hourly
World#79,289 / 412k
🇨🇴Country#354 / 4,578

Earnings, last 30 days

$313k+$5.1k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$305k$310k$315kOct 8Oct 23Nov 7

Skill rankings: Top 4% in Malware Removal

Ranked by MRR among everyone on Upwork with the skill.

  1. #14Malware Removal343 freelancers · 🇨🇴 #1Top 4%
  2. #27Ecommerce Development Consultation346 freelancers · 🇨🇴 #1Top 8%
  3. #79Model Context Protocol (MCP)413 freelancers · 🇨🇴 #1Top 19%
  4. #100Architecture1,368 freelancers · 🇨🇴 #4Top 7%
  5. #532Microsoft Azure4,659 freelancers · 🇨🇴 #5Top 11%
  6. #819WooCommerce12,214 freelancers · 🇨🇴 #5Top 7%
  7. #822HTML514,581 freelancers · 🇨🇴 #3Top 6%
  8. #1,187Artificial Intelligence10,593 freelancers · 🇨🇴 #3Top 11%