Senior Staff Java Engineer Web3 Wallet DeFi Earn

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.

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

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

Benefits

• Long-term incentive plan
• Insurance coverage for employees and their families
• Technical growth opportunities