Truemed Engineering
Engineering at Truemed
How we build the telehealth and payments systems behind HSA/FSA spending.
classification4 min readJune 18, 2026
How we classify HSA/FSA eligibility at scale
How our classification pipeline scores products for HSA/FSA eligibility, from rule-based pre-filters to a confidence-weighted model.
By Adam Hood
classification4 min readJune 18, 2026
How we classify HSA/FSA eligibility at scale
How our classification pipeline scores products for HSA/FSA eligibility, from rule-based pre-filters to a confidence-weighted model.
By Adam Hood
split-cart3 min readMay 27, 2026
Idempotent split-cart payments with Stripe
How we built idempotent split-cart checkouts on Stripe so retries and network failures never result in a duplicate or partial charge.
By Adam Hood
provider-queue3 min readApril 9, 2026
An event-driven provider queue built on Celery
Why we rebuilt our practitioner matching queue as an event-driven system on Celery, and how it handles retries and backpressure.
By Adam Hood