Principal Solution Architect – Pay fare

Core Mission: Senior Solution Architect to design and govern the Australian localization of the Pay fare instant-payout and embedded banking platform on Microsoft Azure, integrating with local Australian payment rails and core banking/card issuing platforms.

Mandatory Technical & Domain Requirements:

- 1. Australian Payment Rails & Messaging: Deep hands-on experience with the Current Payments Platform (NPP), Osko, PayID, PayTo, and ISO 20022 XML messaging standards (pacs.008/pacs.002), alongside card issuing/tokenization (Apple Pay/Google Wallet).
- 2. Azure Cloud PaaS Stack: Proven experience designing containerized microservices and API layers on Microsoft Azure—specifically Azure Kubernetes Service (AKS), Azure API Management (APIM), Azure Functions, Azure Service Bus, and Azure Cosmos DB.
- 3. Distributed Orchestration & Architecture: Demonstrated mastery of Domain-Driven Design (DDD),



BIAN service domains, microservices, and the Saga Orchestration Pattern (managing distributed payment states, compensating rollbacks, and low-latency double-entry ledger accounting).
- 4. Hands-on Engineering & API Security: Hands-on Python microservice architecture (FastAPI/Flask) alongside REST/ gRPC API contracts (OpenAPI /Swagger), Kafka/event streaming, and API security protocols (mTLS, OAuth 2.0/OIDC, JWT, JOSE).
- 5. AU Regulatory Governance: Working knowledge of APRA CPS 234 (Information Security), APRA CPS 230 (Operational Risk), AUSTRAC AML/CTF reporting flows, and Australian data residency requirements.
- 6. Core Banking Integration: Experience integrating cloud-native applications with core banking ledgers

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📌 Principal Solution Architect – Pay fare (Sydney)
🏢 Tech Aalto Pte
📍 Sydney