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. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more.   About the Opportunity What You’ll Be Doing: Responsible for the design and development of the company's core system;   Maintain good communication with the collaborative team, make reasonable suggestions on requirements, and ensure the smooth progress of development work as planned; Responsible for database design, system design, API interface design, external system access, etc.;   Troubleshoot and resolve overall link problems; What We Look For In You: Bachelor degree or above, major in computer or related field, experience in Java actual project development; Project experience in high performance and high concurrency scenarios is preferred   Have a solid Java foundation, have deep experience in Java multithreading, concurrency and network communication, and have good programming habits   Have some research on common Internet open source projects or middle price (at least 1 or 2), with source code experience is preferred, such as: kafka, rocketmq, GRPC, dubbo, redis, mysql, ES, cache, spring/springboot, etc   Familiar with the design and application of distributed system, familiar with the mechanism and implementation of distribution, cache, message, load balancing, etc   Nice to Haves: Love technology, unremitting pursuit of technology, like to study open source code   Good learning ability, teamwork ability and communication ability; Good at thinking, able to analyze and solve problems independently   Good business understanding and product awareness   Have good self-drive and self-management ability, can adapt to distributed office well   Understand Web3, public chain business and technology, relevant work experience is preferred. Perks & Benefits  Competitive total compensation Comprehensive insurance coverage for employees and their dependants More that we love to tell you along the process!