{"version":"1.0","type":"card","id":"254dd03d-b19b-41d5-8d55-be27f6e848ee","url":"https://stacklist.com/card/254dd03d-b19b-41d5-8d55-be27f6e848ee","title":"Architecting Safety at Scale with HopSkipDrive's CTO","source_url":"https://www.codestory.co/episodes/s4-favorite-architecting-safety-at-scale-the-code-behind-real-time-routing-and-hopskipdrives-logistics-engine-with-cto-sophy-lee/","note":"Discover how HopSkipDrive's CTO built a real-time routing engine that safely transports millions of children. Engineering insights from scaling logistics at speed are shared in this episode.","image":{"url":"https://ucarecdn.com/1099cfc6-3dcb-4ece-8eaa-a2ac4d6b5c5e/","alt":"Architecting Safety at Scale with HopSkipDrive's CTO","width":1400,"height":1400},"stack":{"id":"fec60e9c-742b-444c-add8-c9302a96c479","title":"Code Story Podcast: Season 4 Founder Interviews","url":"https://stacklist.com/c/podcast/stack/fec60e9c-742b-444c-add8-c9302a96c479"},"created_at":"2026-08-13T21:32:22.215Z","updated_at":null,"aco":{"summary":"Code Story podcast features HopSkipDrive CTO Sophy Lee discussing the architecture behind the company's real-time routing and logistics engine designed for safe child transportation. The episode covers Sophy's journey from economics at Harvard to self-taught programmer, and how the product evolved from a startup called Shuttle into HopSkipDrive's safety-focused platform.","tags":["podcast","startup","hopskipdrive","real-time-routing","logistics","cto","safety-at-scale"],"key_entities":[{"name":"Sophy Lee","type":"person","confidence":0.99},{"name":"Noah Labhart","type":"person","confidence":0.95},{"name":"HopSkipDrive","type":"organization","confidence":0.99},{"name":"Shuttle","type":"organization","confidence":0.8},{"name":"real-time routing","type":"concept","confidence":0.92},{"name":"logistics engine","type":"concept","confidence":0.9},{"name":"Harvard","type":"organization","confidence":0.85},{"name":"San Francisco","type":"location","confidence":0.85},{"name":"Code Story","type":"organization","confidence":0.95},{"name":"Transistor.fm","type":"technology","confidence":0.7}],"classification":"transcript","language":"en","confidence":0.85,"provenance":{"model":"claude-opus-4-6","tool":"@stacklist/mcp-server@2.0.0","confidence":0.85,"timestamp":"2026-08-13T21:32:31.707Z"},"token_counts":{"approximate":575,"cl100k":509},"content_hash":"sha256:e8d889326bf082717108d8f1540f920e095d6dde315f5f68dcea4de3ca6393d8","acp_version":"0.2","body_available":true,"body_tokens":575,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/254dd03d-b19b-41d5-8d55-be27f6e848ee.json","html":"https://stacklist.com/card/254dd03d-b19b-41d5-8d55-be27f6e848ee","md":"/api/public/card/254dd03d-b19b-41d5-8d55-be27f6e848ee.md","stack_json":"/api/public/stack/fec60e9c-742b-444c-add8-c9302a96c479.json"}}