- Own checkout and payment orchestration across 14 payment methods in 4 markets; €2.4B processed in 2025.
- Led the migration to a unified tokenization service — authorization rate up 3.1 points, an extra €31M captured annually.
- Cut involuntary churn 22% by rebuilding retry logic and dunning emails around issuer-specific decline codes.
- Hired and mentor a pod of 3 PMs; wrote the product-spec template now used by all 11 squads.