Principal/Senior Engineer - Blockchain Wallet (Go/Java)

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Who We Are
At OKX, we believe our future is reshaped with technology. Founded in 2017, OKX is one of the world’s leading cryptocurrency spot and derivatives exchanges. OKX innovatively adopted blockchain technology to reshape the financial ecosystem by offering some of the most diverse and sophisticated products, solutions, and trading tools on the market. Trusted by more than 20 million users in over 180 regions globally, OKX strives to provide an engaging platform that empowers every individual to explore the world of crypto. In addition to its world-class DeFi exchange, OKX serves its users with OKX Insights, a research arm that is at the cutting edge of the latest trends in the cryptocurrency industry. With its extensive range of crypto products and services, and unwavering commitment to innovation, OKX vision is a world of financial access backed by blockchain and the power of decentralized finance.
We invest in our people as much as we invest in technology. We are united by our engaging culture, here we win as a team, embrace changes, and do the right thing. We are committed to creating a friendly, rewarding and diverse environment for OKers. It doesn’t matter where you come from, here everyone feels valued, respected and has the same opportunities to develop and thrive — we want to bring out the best in you.
About the Opportunity

What You’ll Be Doing:

  1. Responsible for the research and development of the underlying infrastructure of the blockchain wallet, demand analysis, and technical planning.
  2. Docking business and product requirements, including but not limited to: wallet transfer, nft transaction, defi, dex, etc., to complete the research and development of the underlying GO/JAVA SDK of the wallet (with a focus on the use of Golang);
  3. Be responsible for or participate in the architecture design, upgrade and performance optimization of the underlying services of the wallet, cooperate with the leader to conduct technical research and development, and break through the technical difficulties in the system and project;
  4. Conduct research on cutting-edge blockchain wallet technologies, such as multi-party secure computing (MPC), and research on emerging popular public chains and ecosystems;
  5. Responsible for the secondary development of the full-node client of the blockchain project, supporting business requirements; full-node deployment, upgrade and maintenance.
  1. Bachelor's degree or above in computer science, software engineering, cryptography, etc.
  2. Familiar with commonly used data structures and algorithms;
  3. Proficient in one of Golang/JAVA languages, proficient in mainstream Golang framework, JAVA framework, understanding of RUST/C++/JS is preferred;
  4. Interested in blockchain underlying, familiar with blockchain projects such as Bitcoin, Ethereum, Cosmos-sdk, etc.
  5. Diligent and eager to learn. Passionate about the crypto industry, those with a background in the blockchain industry and knowledge of cryptography are preferred.
  6. Develop and support compliance businesses. External communication and document writing work with a regional team.


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