Senior Staff Engineer, HR Platform

Location: Hong Kong, Hong Kong SAR Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me , Do the Right Thing , and Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. About the Opportunity Our internal platform engineering team builds and maintains the systems that drive enterprise efficiency and support OKX's rapid global growth. As a Senior Staff Engineer, you'll be a key technical leader — driving architecture decisions, solving complex engineering challenges, and raising the technical bar across the organisation. What You’ll Be Doing Own and drive architecture and design for large-scale, complex internal platform systems Define and influence the long-term technical roadmap, ensuring scalability and reliability at global scale Lead platform modernisation initiatives — architecture evolution, technical debt reduction, and reliability improvements Collaborate closely with Engineering, Product, and Business stakeholders to deliver robust, scalable solutions Champion AI and intelligent automation adoption to improve operational efficiency at scale Provide technical mentorship and guidance to senior engineers across teams What We Look For In You Bachelor's or above in CS/Engineering; deep Java expertise with extensive large-scale distributed systems experience 8+ years in software engineering with a strong track record of technical leadership at scale Hands-on architecture ownership across complex, cross-team platform delivery — from design to production Expert-level proficiency with: Kafka, RocketMQ, Redis, MySQL, Elasticsearch, Spring/Spring Boot Strong communication and influencing skills — able to align cross-functional stakeholders without direct authority Bilingual in Mandarin and English is required, as the team collaborates closely with stakeholders across multiple regions Perks & Benefits Competitive total compensation package L&D programs and Education subsidy for employees' growth and development Various team building programs and company events More that we love to tell you along the process! Notice: All official OKX vacancies are published on this website. While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated. If in doubt, please apply directly through our official careers website. Information collected and processed as part of the recruitment process of any job application you choose to submit is subject to OKX 's Candidate Privacy Notice .