Senior Engineer - Fiat Payment，Card is open at OKX in Hong Kong, Hong Kong SAR. Posted on Jul 16, 2026, and still on OKX’s careers page when we last checked, on Nov 14, 2026.
About the role
Core Card Services: Develop and maintain reliable backend microservices in Java for card issuing, authorization pipelines, and settlement clearing. - Workflow Orchestration: Utilize Temporal to manage complex, multi-step transaction lifecycles and resilient distributed state machines. - Data & Ledgers: Design and optimize SQL schemas and queries to ensure exactness and speed across high-concurrency transaction…
The opening lines of the posting. The rest is on OKX’s careers page.
Hiring at OKX
OKX has 391 open roles right now, 36 of them remote. Most are in Engineering, Product and Compliance & Legal. The median advertised salary across its roles with a published range is $246K. See all its roles
