Things I've built, and what I owned in each.
Estimated delivery dates for Shopify stores. I built the merchant admin end to end: workday and cutoff configuration, visual delivery-rule builders, and a zipcode checker on PostgreSQL. It was WPXPO's first move from WordPress into Shopify SaaS.
A no-code product personalizer. I wrote the library of 25+ option field types, the live preview for customer text and image uploads, a conditional logic engine, and a pricing engine with four add-on modes.
Rare-class-aware ensemble methods for cell-type annotation in single-cell RNA-seq data. [One line on the result.]
Competitive programming: 1500+ problems solved.