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.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $11k
Billed in all: $312,927$313k
$723 in the last 6 months
Across 19 contracts
Across 46 contracts
Earnings, last 30 days
Skill rankings: Top 4% in Malware Removal
Ranked by MRR among everyone on Upwork with the skill.
- #14Malware Removal343 freelancers · 🇨🇴 #1Top 4%🇨🇴#1 of 3
- #27Ecommerce Development Consultation346 freelancers · 🇨🇴 #1Top 8%🇨🇴#1 of 1
- #79Model Context Protocol (MCP)413 freelancers · 🇨🇴 #1Top 19%🇨🇴#1 of 8
- #100Architecture1,368 freelancers · 🇨🇴 #4Top 7%🇨🇴#4 of 31
- #532Microsoft Azure4,659 freelancers · 🇨🇴 #5Top 11%🇨🇴#5 of 24
- #819WooCommerce12,214 freelancers · 🇨🇴 #5Top 7%🇨🇴#5 of 36
- #822HTML514,581 freelancers · 🇨🇴 #3Top 6%🇨🇴#3 of 65
- #1,187Artificial Intelligence10,593 freelancers · 🇨🇴 #3Top 11%🇨🇴#3 of 83