Affirm
Senior
Senior Partner Engineer bridging Affirm's engineering and commercial partnerships (Shopify, Stripe)
Affirm is hiring a Senior Partner Solutions Engineer on Merchant and Platform Engineering to be the technical face to commercial partners like Shopify and Stripe, driving integration strategy and solving cross-functional partner problems. This interview tests customer-facing technical depth, integration/API fluency, and the judgment to balance business and engineering tradeoffs.
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What this interview tests
- Partner-facing technical leadership across commercial and product partnerships
- REST API, Webhook, JSON/HTML integration troubleshooting
- Ecommerce technologies and data models
- Solution design, project planning, and timeline/task estimation
- Acting as SME/escalation point for partner technical issues
- Influencing integration strategy, platform evolution, and tooling choices
Common question themes
Triage a live partner integration failure (checkout/webhook issue)
Build a project plan for a new partner rollout end-to-end
Resolve conflicting technical recommendations with an external partner
Explain a REST API or webhook design choice to a non-technical partner stakeholder
Balance commercial strategy against engineering constraints
Escalation handling when internal and external teams disagree