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hongbos

Long-practiced full-stack engineering, condensed into a personal lab: web systems built end to end, a cluster running at home, and a deliberate road into AI platforms.

focus
LLM routing · RAG · evals
stack
.NET · Go · TypeScript
infra
k3s on arm64 · Cloudflare
locale
UTC+8 · remote-first · --:--:--
lab
3/3 nodes up · uptime 99.98% · self-hosted

1work3 running

2skillsL3 direction → L1 delivery

  1. L3

    AI platform direction

    LLM routing · RAG · Evals · Agent patterns · Inference cost

  2. L2

    Backend & infrastructure

    .NET · Go · Postgres · Redis · Kafka

  3. L1

    Metal & delivery

    TypeScript · React · Next.js · K8s on arm64 · Cloudflare

3interests

  • Running real infrastructure

    k3s on arm64 metal, ingress through Cloudflare — operating what you build.

    k3s · arm64 · Cloudflare

  • LLM systems engineering

    Gateways, routing, token economics — models as a systems component.

    routing · cost · observability

  • Tools that outlive trends

    Boring, proven pieces composed into things that don't need babysitting.

    Postgres · Unix · type-safe glue

4nowthe direction, in public

-- learning

RAG & evals, applied on live systems.

-- building

Go LLM gateway — routing & caching.

-- target

The layer where models meet infra.

hongbosoperational