Sung Chul (Jimmy) Ham
ColdFusion Specialist · Full-Stack Engineer · Since 1996
Building AI-augmented workflows on top of three decades of enterprise CFML.
About
30 years of shipping web applications in ColdFusion / Lucee, from the early Allaire days to today's cloud-native stacks.
Currently exploring where 30-year fundamentals meet new tooling — agent orchestration, self-hosted infrastructure, and workflows that let a small team punch above its weight.
Now
Green60 Payroll
Client-facing payroll portal — a secure archive for payroll results processed in-house, delivered as downloadable PDF reports. Integrated time-and-attendance apps (web & mobile) feed hours in for processing.
Green60
Marketing site operations for the Green60 brand.
Selected Work
RIIM — riimagain.com
Multi-language publishing platform archiving 28 years of Christian writings — 1,900+ posts, unified feed across Korean, English, Chinese, Japanese, and Spanish.
MCPS — j-solution.us
Macro Causal Propagation Simulator — a live dashboard tracking 58 macroeconomic variables from FRED and Yahoo Finance, with a causal graph of 83 edges for scenario analysis.
Umma's Corner — ummascorner.com
Korean home-style meal service for seniors — dine-in, banchan sets, lunchboxes, and catering. Multi-language storefront with cart and ordering.
Personal Lab
family4family.com
Community site, running from a home Synology behind Cloudflare Tunnel.
openclaw — multi-agent workspace
Four AI agents collaborating over shared Jira / Slack, with a persistent NAS-host coordinator. Sandbox for AI-assisted infrastructure work.
Attendance system (Badge + Passcode)
Modernization of a legacy attendance workflow — touch-friendly keypad, real-time punch, audit trail.
Toolbox
Primary
Infrastructure
Currently learning