Responsibilities
Own BI FAST RFP, eMandate and Direct Debit delivery across requirements → solution design → integration → testing → rollout.
Produce engineering ready specifications:
API specs (REST/JSON), OpenAPI/Swagger definitions
Microservices interface contracts, event schemas, callback payloads
Sequence diagrams, state machines, mapping specs, error models
Define end‑to‑end orchestration flows for:
RFP initiation, acceptance, expiry, rejection
Mandate lifecycle events
Direct Debit presentment, validation, debit and return
Specify robust pre‑processing logic:
Customer/account validation
Entitlement and authorisation checks
Funds availability
Fraud/AML/sanctions gating
Limits, thresholds, duplicate suppression
Idempotency, retry and timeout handling
API & Microservices Architecture:
Define API and microservices designs using existing components:
Payment initiation microservices
Validation & entitlement services
Fraud/A...