Renier P. du Plessis
Full-Stack Architect & AI Engineer
Full-stack developer and AI engineer with 15+ years delivering production-grade systems at scale. Builds agentic AI products end-to-end — conversational ad agents, voice agents, and autonomous WordPress plugins — with an IoT patent across three jurisdictions. Deep expertise in agentic AI, SaaS architecture, high-availability infrastructure, and WordPress platform engineering — from zero to launch.
Key Highlights
- 15+ years architecting Africa's oldest premier investigative news platform (2M+ monthly users, 17M+ page impressions/month, 99.9% uptime)
- Creator of Agent Builder — a WordPress plugin shipping autonomous AI agents with 10 bundled agents and 140+ standalone tools
- Anthropic Claude Partner Network member and Google AI Fundamentals certified
- Deployed the first clustered MySQL database for a media house in Africa (internationally published)
- US Patent US20180021652 — IoT/computer vision system, also filed WIPO and EPO
Experience
- Full-Stack Architect — The Mail & Guardian (Dec 2010 – Present) — GCP high-availability infrastructure, Africa's first clustered MySQL database, 2M+ monthly users
- Lead AI Platform Engineer (Independent) — Agent Builder, Agentic Tech LLC (Jan 2026 – Present) — Autonomous WordPress AI agents, multi-agent orchestration engine
- Senior Full-Stack Developer (Contract) — SAICE (Feb 2026 – Present) — Azure Static Web App CPD portal for 2,700+ engineering applications
- Senior Full-Stack Developer (Contract) — FundaManje (Jan 2025 – Jan 2026) — Headless Next.js ed-tech platform on WordPress CMS
- Founder & President — Lets Farm Financial Cooperative, Inc. (Nov 2025 – Present) — 501(c)(3) nonprofit for farmer economic empowerment
Core Skills
Agentic AI & Agent Orchestration, MCP Servers & Tool Integration, TypeScript & JavaScript, PHP 8.1+, React & Next.js, Node.js & Fastify, WordPress Plugin Development & REST API, PostgreSQL / MySQL / MariaDB, GCP / AWS / Azure, Linux Server Administration, High-Availability Systems
Education
BBA — Bachelor of Business Administration, Major in Financial Administration, Rand Afrikaans University (now University of Johannesburg), 2003
Contact
Email: renduples@gmail.com |
LinkedIn: linkedin.com/in/renier-p-du-plessis |
Phone: +1 (678) 949-0859 |
Location: Atlanta, Georgia, USA