Senior Backend Engineer: POS & Commerce Integrations

Senior Backend Engineer: POS & Commerce Integrations

On | City Of London, ENG, GB

Posted 15 days ago

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Description

On is building a future-ready POS ecosystem. We seek a backend/ integration engineer to design scalable services powering POS integrations across ERP, eCom, CRM, inventory, and loyalty.

You’ll implement REST/GraphQL APIs, real-time data flows, and secure auth patterns while embracing a cloud-native, event-driven architecture. You’ll work on testing, monitoring, and collaboration with frontend, product, and vendor teams to shape the composable commerce stack.


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