Companion API for our React Native fitness app: auth, workout plans, streaks, and Apple Health ingest. DRF + Postgres.
Eighteen months of event data. Build and productionize a churn model with weekly scoring and a Slack digest of at-risk accounts.
Connect ad platforms, Stripe, and our warehouse; build six dashboards the marketing team opens every morning.
Pipelines grew organically and now fail weekly. Refactor the DAGs, add tests and alerts, document lineage.