Fullstack AI Builder — Ad Platforms

Own 2 of 3 revenue-generating ad platform integrations (Meta + TikTok) from scratch at a startup building the "AppsFlyer for web." Build server-side postback pipelines (Meta CAPI, TikTok Events API, Google Enhanced Conversions) and ad account provisioning automation. Direct impact on GMV from day 1. AI-first development — ship with Claude Code/Cursor as primary workflow. Must Have: Strong TypeScript (3+ years production) - Has integrated with complex third-party APIs (ad platforms, payment, or equivalent) - Experience with webhook/event-driven systems, OAuth, rate limiting - Ships daily using AI coding tools (Claude Code, Cursor, or equivalent) - Evidence of learning a new domain/API and shipping production code in under a week Nice to Have: Meta Marketing API or TikTok Marketing API experience - Ad-tech / growth-tech background - Conversions API / server-side event forwarding experience - Experience with Hono, Drizzle, or similar TS frameworks - ByteDance/TikTok ecosystem familiarity Responsibilities: Build Meta Ads connector (campaign lifecycle, account provisioning) - Build TikTok Ads connector (mirroring existing Google Ads patterns) - Build server-side postback pipeline (Meta CAPI, TikTok Events API, Google Enhanced Conversions) - Ad account provisioning automation (200+ account warming strategy) - Collaborate with Bharath (Google Ads owner) on shared patterns and abstractions