A_GUZMAN c-copper v0.03
02_WORK // CASE_INDEX

Four modules, one system.

The day job is senior fullstack engineering for fintech and core banking. The rest keeps the skills sharp: hand-written frameworks, language tooling, browser runtimes, game loops. Regulated work is described at the level of detail my NDAs allow.

[0x01]
AI_FINTECH · DAY JOB
Fintech & applied AI
On-prem LLM gateway for banking, 60+ payment-gateway integrations, RAG pipelines, multi-agent orchestration — applied AI where the data can't leave the building.
2 case studies
READ →
[0x02]
SYSTEMS · LIVE
c-copper: a web framework in C
HTTP server, route table, middleware chain and template engine in 1,559 lines of C99 — serving this page. Plus Lunar (TypeScript-for-Lua, in Go) and Cobre, the successor framework.
4 projects
READ →
[0x03]
WEB · LIVE
Lua in the browser
Lua 5.4 compiled to WASM via wasmoon, signal-based reactivity, per-route module loading, no virtual DOM — plus shipped Angular/.NET builds like a realtime SignalR sprint board.
3 projects
READ →
[0x04]
GAMEDEV · IN_DEV
Game loops, from the metal
Passages, a gambit-driven action RPG in Unity; LÖVE 11.5 prototypes written straight against love.update; an SDL2 → Bevy ECS learning ladder.
3 projects
READ →