Senior Java Engineer, OKX Pay Smart Account Team is open at OKX in Singapore, Singapore. Posted on Jan 27, 2026, and still on OKX’s careers page when we last checked, on Nov 14, 2026.
About the role
Payment System Development: Design, develop, and optimize OKX Pay's payment backend systems; build highly available, high-concurrency, scalable payment infrastructure. Scan-to-Pay Capabilities: Contribute to core QR/scan-to-pay functionality across the critical path — payment code generation, scan recognition, order creation, payment confirmation, state transitions, timeout handling, risk-control validation, and…
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
