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 development of blockchain application layer business services (including web3 wallet, staking and defi protocol design, etc.) System Performance optimization, technical research and development to ensure high availability, high reliability and high performance requirements; The architecture capability has the ability to discover service optimization points and improve engineering production efficiency. Familiar with business and product requirements, complete functional design, architecture design optimization, and R & D work. What We Look For In You: Solid Java language programming experience and Java foundation, understanding of io, multi-threading, collection and other basic knowledge, have a certain understanding of JVM principles Bachelor's degree or above in computer science, software engineering or related majors. Proficient in mainstream development frameworks such as SpringBoot and Mybatis Have a deep understanding of mainstream databases such as MySql, Redis, ES, Hbase, Kafka, or Middleware. Have a strong interest in technology, broad vision, enjoy studying, have ambition, and have good learning ability. Have experience in developing blockchain platform products, familiar with Bitcoin, Ethereum, etc., or understand one or more mainstream DeFi projects such as MakerDao, uniswap, compound, synthetix, etc. Has a high sensitivity to the blockchain industry, can keep up with industry hotspots, lead the team to chase blockchain industry hotspots, and promote the landing of new products Nice to Have Candidates with experience in high-concurrency, high-availability, and high-performance project development are preferred. Have a certain understanding of blockchain, knowledge of one of BTC, ETH, Cosmos, Dot is preferred, or knowledge of one or more mainstream DeFi projects: MakerDao, uniswap, compound, synthetix, etc Lively personality, good at communication, those with project management experience are preferred. Master C++, Go, TS any one language and above. Perks & Benefits  Competitive total compensation Comprehensive insurance coverage for employees and their dependants More that we love to tell you along the process!