Solid Java fundamentals with strong command of mainstream frameworks such as Spring Boot and Spring Cloud
Hands-on experience with common middleware including MySQL, Redis, MQ, and RPC
Proven experience building high-concurrency, high-availability distributed systems
Familiarity with the design and mechanics of major DeFi protocols (e.g., Aave, Morpho, Pendle, Pancake); understanding of smart contract fundamentals, with on-chain integration or contract development experience a plus
Familiarity with mainstream wallet products and account models, and a working understanding of on-chain assets and the DeFi ecosystem
Strong systems analysis and architecture design skills, ideally from large-scale consumer (To C) products or financial systems; able to independently own core-module design and drive complex projects to high-quality delivery
Ability to independently analyze and resolve complex production issues, with experience in log analysis, distributed tracing, performance tuning, fault recovery, and data-consistency governance
Strong sense of ownership and accountability, proactively driving problems and projects to resolution
Strong communication and collaboration skills, comfortable in a fast-moving business environment; genuine interest in Web3, DeFi, or AI Agents and a drive to keep exploring frontier technology
Familiarity with account models, transaction mechanics, and underlying principles of major public chains such as EVM, Solana, and Tron
On-chain protocol development, smart contract development, or protocol integration experience
Experience building high-concurrency trading systems, core financial systems, or payment systems
Understanding of on-chain risk control, KYT, and AML mechanisms
Platform development experience with AI Agents, LLMs, MCP, Function Calling, A2A (Agent-to-Agent) protocols, or Workflow systems