Senior Java Engineer Blockchain Asset

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.

Responsible for the integration of blockchain projects, independently design and develop modules, and ensure the quality of deliverables. Able to quickly iterate on data interfaces or project requirements, design interfaces and services with sufficient scalability. Participate in the upgrading, transformation, and performance optimization of high-concurrency, high-traffic servers, and cooperate with leaders to conduct technical research and tackle difficult problems. Skilled in summarizing service issues, regularly sharing knowledge, and willing to communicate and explore with others.

Bachelor’s degree or above in computer science, software engineering or related fields. Solid foundation in Java, including JVM, IO, multi-threading, concurrency, networking, profound understanding of object‑oriented programming, design principles, encapsulation, abstraction, etc. Proficient in mainstream Java frameworks such as Spring/Spring Boot, with practical project experience that can withstand scrutiny. Candidates with experience in large‑scale project and application architecture design are preferred.

Familiar with blockchain project products such as Bitcoin and Ethereum, and knowledge of blockchain applications such as Defi/NFT/Game Fi is a plus. Applicants with experience in payment business, on‑chain wallet development and other project optimization will be given priority, and good English will be a plus;
Hardworking, eager to learn, passionate about the crypto industry, and curious towards new concepts. Self‑driven and resilient.

• Competitive total compensation
• Comprehensive insurance coverage for employees and their dependants

More that we love to tell you along the process!