Build logs & breakdowns.
Long-form notes from the systems I ship. The constraints, the decisions, what worked, what I'd do differently. Written for engineers who'll inherit something like it one day.
Build log2026-04-12 · 10 min
Letting a Payroll Protocol Sign Without Holding Keys (Remlo on Tempo + Solana)
Multi-chain payroll architecture where the protocol executes but never custodies. Policy-gated Privy server wallets, permissionless escrow settlement, and ERC-8004 + SAS reputation trails.
Engineering2026-03-28 · 11 min
Hybrid Retrieval for Offline Medical Search at Sub-15ms
Building LocalRx — a deterministic medical reference engine for low-connectivity clinics. Why hybrid BM25 + semantic retrieval beats either alone, and how Reciprocal Rank Fusion ties it together.
Embedded2026-02-15 · 8 min
Dual Control Plane on a $4 ESP32: HiveMQ + Sinric Pro Without a Backend
Replacing Blynk with a custom IoT dashboard and Alexa voice control, running two MQTT control loops concurrently on a microcontroller. Course constraint, real product.