From national-scale, high-concurrency core systems to vertical-industry SaaS and big-data platforms — I've delivered both ends.
What I broke and fixed while putting AI into production — the real trade-offs, not another starter tutorial.
RAG · Agent · Fine-tuning — from demo to stable production.
Development → Deployment → Ops → DevOps — one person owns the whole chain.
Multiple full SaaS development cycles, with reusable engineering experience.
A knowledge-base Q&A, a workflow automation, or an architecture review — start here.