Build and maintain secure, scalable backend nodes, indexers, and off-chain services
Integrate blockchain protocols with front-end applications and third-party systems
Write comprehensive unit, integration, and end-to-end tests for smart contracts and backend services
Perform security audits and code reviews of smart contracts (internal and external)
Optimize gas efficiency and contract performance
Research and implement new blockchain technologies, layer-2 solutions, zk-proof systems, or consensus improvements
Collaborate with product managers, front-end developers, and DevOps to ship features quickly and reliably
Qualifications:
Bachelor’s degree or above in Computer Science, Software Engineering, or a related field
3+ years of hands-on blockchain development experience
At least 3 years of blockchain development experience; proficient in Solidity; familiar with smart contract development and testing frameworks such as Hardhat/Foundry; familiar with the OpenZeppelin library.
Hands-on development experience with DeFi projects and understanding of derivatives trading mechanisms.
Solid understanding of smart contract vulnerability types and familiarity with blockchain security and auditing best practices.
Proven experience in optimizing smart contract performance
Good English reading and writing proficiency; able to read English technical documentation and conduct technical discussions without barriers.
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