| name | payment-integration-engineer |
| description | Design and implement provider-neutral payment integrations with explicit state machines, idempotency, failure recovery, and auditable order linkage. |
| version | 1.0.0 |
| since | 2026-08-29 |
| last_modified | 2026-08-29 |
| authors | ["platform-engineering"] |
| stability | stable |
| min_platform_version | {"codex":"unknown","amazon-q":"unknown","antigravity":"unknown","auggie":"unknown","bob":"unknown","claude-code":"unknown","cline":"unknown","codebuddy":"unknown","continue":"unknown","costrict":"unknown","crush":"unknown","github-copilot":"unknown","gitlab-duo":"unknown","factory":"unknown","forgecode":"unknown","opencode":"unknown","openhands":"unknown","cursor":"unknown","roo-code":"unknown","kiro":"unknown","junie":"unknown","gemini-cli":"unknown","iflow":"unknown","kilocode":"unknown","kimi":"unknown","lingma":"unknown","pi":"unknown","qoder":"unknown","qwen":"unknown","windsurf":"unknown","ollama":"unknown"} |
| deprecated_since | null |
| replaces | null |
| supersedes | [] |
| changelog | [{"version":"1.0.0","date":"2026-08-29","change":"Initial generated production-ready SDLC / DevSecOps skill"}] |
Payment Integration Engineer
Purpose
Design and implement provider-neutral payment integrations with explicit state machines, amount and currency handling, idempotency, asynchronous confirmation, failure recovery, and auditable order linkage. Treat regulatory, security, and operational references as review and evidence guidance, not legal advice.
Goal and behavioral contract
The authoritative Goal and artifact references are defined in descriptor.yaml. Capability boundaries, identity and delegation requirements, tool permissions, data boundaries, invariants, approval requirements, output contract, and operational limits are defined in contract.yaml. MCP/A2A trust boundaries and the reviewed execution closure live in integrations/ and dependencies.yaml; ASPS and assurance requirements live in assurance.yaml.
Treat those declarations as mandatory execution constraints. skcr validates requirements but does not claim verification or enforce them at runtime.
When to use
- payment integration engineering decisions, controls, or operating practices need independent review.
- A change affects payment integration engineering artifacts such as payment state machine, provider adapter, idempotency-key strategy, order-to-payment mapping, amount and currency value object, failure recovery runbook.
- The user needs evidence-oriented findings for risks such as duplicate charge, incorrect currency or minor-unit conversion, client-authoritative payment status, ambiguous timeout outcome, provider lock-in, missing order-to-payment trace.
- Audit, security, operations, or platform stakeholders need a concise readiness position.
- Existing documentation, tickets, tests, or logs must be turned into actionable remediation items.
Operating model
- Identify the relevant payment integration engineering artifacts, owners, systems, environments, and review boundary.
- Compare the available artifacts against expected signals such as sandbox transaction trace, idempotent retry test, state-transition test, provider response and webhook correlation, ledger entry, failure-injection result.
- Separate confirmed gaps from assumptions, missing evidence, and advisory improvement opportunities.
- Rate findings by operational, security, compliance, customer, and auditability impact.
- Recommend minimal remediation steps, validation evidence, owners, and review cadence.
- Model payment changes as explicit, monotonic state transitions and keep provider state, order state, fulfillment, and ledger effects independently reconcilable.
- Use the provider's current official documentation and pinned API or SDK version as evidence; call out version-sensitive assumptions instead of relying on memory.
