Senior Staff Engineer, Global Payments Platform

OKX; Hong Kong; On-site; HKD 1,200,000 - 1,800,000; Full time

Benefits offered by this job

Competitive compensation

Education subsidy for growth

Team events

Healthcare coverage

Job summary

OKX is seeking a Senior Staff Software Engineer for the Payments Team in Hong Kong. You will design and operate high-scale payment APIs, drive cross-regional integration, and ensure asset protection and reliability in a live financial platform.

Join a team with established production systems, ambitious growth, and a culture of engineering excellence across time zones and regulatory environments.

Qualifications

• 8+ years of backend software development experience.
• Strong fundamentals in data structures, algorithms, concurrency, and software design patterns.
• Ownership instinct and accountability for outcomes.

Responsibilities

• Design and build the core: large-scale 24/7 APIs and distributed payment services using Java/Spring Boot.
• Expand global reach by integrating and scaling payment channels across markets.
• Protect user assets with correctness, idempotency, reconciliation, and failure recovery.

Skills

Java

Spring Boot

Distributed systems

Backend development

Cloud infrastructure

Code reviews

Job description

OKX is seeking a Senior Staff Software Engineer for the Payments Team in Hong Kong. You will design and operate high-scale payment APIs, drive cross-regional integration, and ensure asset protection and reliability in a live financial platform.

Join a team with established production systems, ambitious growth, and a culture of engineering excellence across time zones and regulatory environments.