Jayson Wu
A developer, turning ideas into code.Sharing everyday development, open-source libraries and explorations in architecture.
About me
I build AI applications and complex business systems, taking health services, laboratory management and trading platforms from concept to delivery.
My work spans business analysis, product design, architecture and engineering delivery. I care about the problems a system solves and how it evolves.
Selected writing
All articlesRateHub: Consolidating a distributed market-data platform into a single real-time service
How duplicated upstream connections and frequent database access led to a shorter real-time path and a more manageable architecture.
Concurrency in file download caching: From duplicate fetches to safe eviction
Short-lived object-storage caches, same-key request coalescing, ETag validation and the lifetime of files still being read after invalidation.
Resource authorization in microservices: Gateways, centralized decisions and local enforcement
The trade-offs between permission granularity, performance, availability and consistent policies across gateway checks, centralized decisions and service-local authorization.
Project work
All projectsLAIFE AIAI-powered health services
Connects report parsing, health records and AI conversations with customer service workflows, supported by human review, team collaboration, service purchases and tenant branding.
RegenBioHealth business platform
Starting with AgeSeer reports, connects samples, laboratory data, report approval and delivery, then extends into appointments, consultations and service plans.
LHMS FrameworkShared business platform
Consolidates repeated administration work into a shared platform for members, operations and orders while preserving each product's business differences.