Staff Software Engineer - DevEx

Responsibilities

• Architect Agentic Payment Infrastructure
• Lead the design and evolution of Python 3.13+ and FastAPI services powering secure, production-critical agentic payment flows.
• Define the Core API Platform
• Design APIs and domain models for card enrollment, agentic token provisioning, purchase intents, mandates, device attestation, OTP flows, confirmations, and cryptogram retrieval.
• Own Security, Reliability & Scale
• Drive architectural decisions across security, scalability, availability, performance, and developer experience for sensitive payment and cryptographic workflows.
• Build Deep Observability: Establish consistent patterns for error handling, traceability, structured logging, metrics, and distributed tracing using OpenTelemetry and Prometheus.
• Automate Platform Provisioning
• Design extensible provisioning workflows using Kubernetes APIs and Custom Resource Definitions.
• Set the Quality Bar: Define rigorous unit, integration, acceptance, and end-to-end testing strategies for high-risk payment flows, including canary-safe production validation.

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