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Staff/Senior Java Engineer, OKX Web3 Wallet

OKX
Location
Hong Kong, Hong Kong SAR; Singapore, Singapore
Posted
14 days ago
Department
Engineering
What they actually want (must-haves)
  • 5–10 years of Java backend experience
  • Strong grasp of collections, concurrency, thread pools, the JVM, network communication, and common performance issues
  • Proficient with Spring Boot, Spring Cloud, MyBatis, or comparable stacks
  • Experience with complex or high-concurrency systems
  • Ability to independently own a module or project end to end
  • Experience with wallets, blockchain, trading platforms, or related systems
Nice to have
  • Integration work on new public chains or cross-chain protocols
  • Familiarity with WalletConnect, DApp Browser, or signature-request handling
  • Knowledge of MPC, multisig, hardware wallets, or TEE-based key-security schemes
  • Experience with Swap, staking, cross-chain bridges, or DeFi aggregation
  • Address risk detection or wallet risk-control experience
What the job really is

As a Senior Java Engineer for OKX Wallet, you will own core backend modules, focusing on areas like transaction management and multi-chain integration. Your role involves building and improving wallet functionalities, ensuring stability and performance, and driving projects to completion while collaborating with various teams. You will also apply AI tools to enhance development efficiency and participate in design discussions and code reviews.

Benefits
  • Competitive total compensation
  • Comprehensive insurance coverage for you and your dependents
  • More benefits to be discussed after you join
Things to weigh
  • No salary listed
  • The role requires strong backend fundamentals and experience with blockchain technologies
  • Candidates should be comfortable with high-concurrency systems and security concerns related to user assets
Job score3/5
Benefits2/5
Freshness4/5
Career value4/5
Role clarity5/5
Pay transparency0/5

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