$ whoami
Backend and systems engineer turning protocols, storage primitives and concurrency
models into reliable products — from wire format and SDK to desktop interface.

01 // RECENT WORK STREAM

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02 // FIELD NOTES

_{Long-form Discussions published across public repositories}
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03 // LIVE TELEMETRY

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04 // ENGINEERING TOPOLOGY

flowchart LR
    L["Java · Go · Rust · Python"] --> P["TCP · HTTP · gRPC"]
    P --> C["Event loops · Worker pools · Streaming"]
    C --> S["WAL · Pebble · TiKV · Snapshots"]
    S --> V["Merkle proofs · Signed logs · Recovery"]
    V --> X["CLI · SDK · Web · Desktop"]

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Layer	What I work on
Protocols	TCP message flows, HTTP/gRPC APIs, streaming transports, deterministic CBOR
Concurrency	Event loops, bounded queues, worker pools, atomic sequencing, graceful shutdown
Data systems	WAL, append-only logs, Pebble, TiKV, snapshots, backup and restore
Integrity	SHA-256, Ed25519, Merkle inclusion/consistency proofs, external timestamp anchoring
Product surfaces	Go SDKs, CLIs, Electron/React, Vue/Wails, Vite and IPC bridges
Operations	Prometheus, structured logging, CI, integration tests and performance benchmarks

05 // PROOF OF WORK

TrustDB A verifiable evidence database that turns file claims into signed receipts, Merkle proofs and independently verifiable transparency-log records. Go gRPC TiKV Pebble WAL Prometheus	Mahjong A networked Sichuan Mahjong system with multi-room scheduling, an explicit game state machine, reconnectable sessions, automated play and snapshot recovery. Go TCP JSON Lines Event Loop State Machine
Netcatty · upstream contributions Runtime integration and event-system work in an Electron desktop application: main-process bridges, streaming event mapping, concurrent state consistency, interactive components, localization and automated tests. TypeScript React Electron Node.js IPC Event-driven architecture

06 // WORKBENCH

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design the invariant · measure the system · ship the product