Larry A. Williamson

Senior Full-Stack Developer / Creative Technologist

Principal Full-Stack Engineer and Creative Technologist

2001 – CURRENT

Two decades building custom full-stack web solutions — real-time multi-user apps, dynamic PDF/image rendering, and mobile apps — leading local and distributed teams.
Recently shipped multi-tenant SaaS (Stripe), an internal client portal, a multi-agent simulation engine, and computer-vision automation.
Full creative-technologist range plus MSP services: UX/UI, SEO, web3, networking, VOIP, cloud, and design/marketing/video production.

Senior Full-Stack Engineer / Solutions Architect

2024 – CURRENT

Conference Catalysts

Architected an event-management platform — 600+ features across 10+ microservices — serving 10,000+ concurrent users per event at 99.9% uptime.
Built offline-first iOS/Android apps (Nuxt + Capacitor) with custom SQLite sync, push notifications, and automated CI/CD to multiple app stores.
Engineered a real-time WebSocket chat system (threads, presence, DMs) packaged as a reusable Nuxt layer deployed to Cloudflare R2.
Designed 200+ Postgres/Supabase API endpoints with multi-layer Cloudflare (R2/D1) caching at sub-100ms; plus Vue-SSR email, analytics, RBAC/OTP auth, CVENT, certificates, and entity-level ACL.

Principal Full-stack Engineer, Director of I.T. and Interactive

2011 – 2021

BARKER

Led design and development of interactive solutions — qualification quizzes, real-time PDF generation, digital signing — and high-traffic websites, games, and campaigns.
Engineered performance-optimized AWS hosting and full technical support for clients including Bausch + Lomb, P&G, NYU, ION Television, Roche Bobois, Miele, and SlimFast.

PRINCIPAL FULL-STACK ENGINEER / SOLUTIONS ARCHITECT / I.T. DIRECTOR

2006 – 2010

MONSTER MEDIA

Crafted hundreds of micro-sites, landing pages, and interactive ads for clients like MTV, YouTube, Disney, Kraft, and Target using Flash, WPF, and OpenCV.
Architected a BitTorrent-based content delivery system and a multi-user real-time monitoring platform (C#, Ruby, PHP, MySQL) across wireless networks.

SENIOR SOFTWARE ARCHITECT, DESIGNER, FIELD ENGINEER AND NETWORK ADMINISTRATOR

2001 – 2006

FREEDOM4WIRELESS

Designed a serverless software suite for real-time device communication over wireless mesh networks — messaging, file transfer, and audio/video.
Built mesh-network camera-collection software; granted two software patents (#20070200914, #20090238096) in 2009.

Senior Web Developer/ Designer

2001 – 2003

The Marana Group

Web Developer/ Designer

2000 – 2001

Cloudspace

Print Production Manager

1999 – 2000

Winter Park Blue