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

How candidates describe it

Real Senior Partner Engineer interview stories — retold from candidates' public write-ups, with sources.

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Interviewed January 2023 · Not specified

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