K Kristopher Baker iOS · Growth · Tokyo

02 · Work

Things I've shipped, mostly to phones.

Selected work, ordered by what I most want to feature.

NO COVER YET
Wolt / DoorDash · 2025

Improving subscription conversion through cart and checkout entry points

Client-side DRI for two flagship Wolt+ growth experiments — cart entry point and express signup. Drove cross-platform RFCs and pushed to split the work into independent rollouts, enabling faster iteration and clearer A/B validation.

Read case study
NO COVER YET
Wolt / DoorDash · 2024

Expanding subscription value with long-distance delivery

iOS DRI for Long-Distance Delivery — extending Wolt+ value to users outside the free delivery radius with discounted pricing, kept consistent across discovery, venue, and checkout. Led API and product design discussions across teams.

Read case study
NO COVER YET
Wolt / DoorDash · 2023

Building a real-time telemetry viewer to improve product iteration speed

A real-time telemetry viewer that streams events from the iOS app to a local desktop client over WebSocket, with searchable, filterable views. Replaced a slow in-app fullscreen viewer and unlocked faster, more confident instrumentation work across teams.

Read case study