Senior Staff Java Engineer Web3 Wallet DeFi Earn
OKX is a leading global cryptocurrency exchange offering a wide range of trading services, including spot and derivatives trading, as well as Web3 solutions.
Maintainer signals as of 8/12/2026
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About OKX
OKX is a global cryptocurrency exchange known for its trading services and financial products. The platform offers a wide range of features, including spot and derivatives trading, staking services, and a user-friendly interface suitable for both beginners and experienced traders.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will design and optimize the backend architecture of a Wallet Earn investment platform, develop risk controls, integrate DeFi protocols, and support multi-chain asset and position management. You will also build AI Agent Marketplace modules, resolve complex production issues, and improve system reliability, security, and maintainability.
Requirements
- Java
- Spring Boot
- Spring Cloud
- MySQL
- Redis
- MQ
- RPC
- High-concurrency systems
- High-availability systems
- Distributed systems
- DeFi protocols
- Aave
- Morpho
- Pendle
- Pancake
- Smart contracts
- Wallet products
- Account models
- On-chain assets
- System analysis
- Architecture design
- Log analysis
- Distributed tracing
- Performance tuning
- Fault recovery
- Data consistency
- Web3
- AI Agents
Responsibilities
- Design and optimize the Wallet Earn backend architecture
- Build the aggregated-investment risk control platform
- Improve protocol integration capabilities
- Develop the multi-chain user asset and position platform
- Support asset parsing and display across public chains and DeFi protocols
- Build Agent, Task, and Order modules for the AI Agent Marketplace
- Maintain high availability and performance across core business flows
- Diagnose and resolve complex production issues
- Improve architecture, code quality, monitoring, alerting, and observability
- Develop exception-compensation capabilities
Benefits
- Long-term incentive plan
- Insurance coverage for employees and their families
- Technical growth opportunities