Kristopher Baker iOS roots · Product systems · AI-assisted workflows

02 · Work

Apps, systems, and tools I’ve shipped.

Consumer apps, internal tools, and platform work that helped teams move faster with more confidence.

Wolt / DoorDash · 2025

Building a telemetry tool for faster, more confident product iteration

A leverage system for product iteration: real-time app telemetry streamed to a local desktop client over WebSocket, with searchable, filterable views. Replaced a slow in-app viewer and made instrumentation work faster and more trustworthy across teams.

Read case study
Wolt / DoorDash · 2024

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
Wolt / DoorDash · 2025

Expanding subscription value with long-distance delivery

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
SmartNews · 2022

Rebuilding article extraction safely behind feature flags

Led the iOS implementation of a second-generation article extraction system (SmartHTMLExtractorV2), shipping it in parallel with the existing renderer behind client-controlled feature flags to de-risk rollout of a critical content surface.

Read case study
SmartNews · 2019

Building politically balanced election experiences under a fixed deadline

Built key iOS features for SmartNews’ US Election 2020 coverage, including political balancing UI, candidate widgets, and election results surfaces with strict time-based and edition-aware behavior.

Read case study