Blockchain Engineer

3 weeks ago


Singapore QUESSCORP SINGAPORE PTE. LTD. Full time
Roles & Responsibilities

Key Responsibilities:

•Develop, deploy, and maintain smart contracts using Solidity on Ethereum, Polygon, and Cosmos SDK.

•Utilize Hardhat, OpenZeppelin, Ganache, ethers.js, and web3.js for blockchain development and testing.

•Contribute to blockchain node and protocol development, particularly with Cosmos SDK and Polygon source code.

•Design and implement scalable microservices using SpringCloud Alibaba framework.

•Work with RocketMQ for distributed messaging and event-driven architectures.

•Optimize Java concurrent programming with efficient lock mechanisms, thread pools, AQS, CAS, and other JUC toolkits.

•Ensure high performance, security, and scalability in blockchain and microservices implementations.

•Collaborate with cross-functional teams to integrate blockchain technology with enterprise solutions.

•Conduct code reviews, troubleshoot issues, and optimize system performance.


Required Skills & Qualifications:

•Minimum of 3 years of experience as blockchain Engineer

•Bachelor of Computer Science or relevant industry education experience.

•Strong proficiency in Java with expertise in Java concurrent programming, lock mechanisms, thread pools, AQS, CAS, and JUC toolkits.

•Hands-on experience with Ethereum, Cosmos SDK, and Polygon source code.

•Proficiency in smart contract development using Solidity, Hardhat, OpenZeppelin, Ganache, ethers.js, and web3.js.

•Experience with SpringCloud Alibaba microservices framework for distributed system development.

•Knowledge of RocketMQ for event-driven architectures and messaging systems.

•Understanding of blockchain consensus mechanisms, cryptography, and decentralized application (dApp) development.

•Experience in designing and implementing secure, scalable, and high-performance systems.

•Familiarity with Docker, Kubernetes, and cloud platforms is a plus.

•Experience working with DeFi, NFTs, or Layer 2 scaling solutions.

•Knowledge of Rust, Go, or other blockchain-related languages.

•Previous contributions to open-source blockchain projects.



Tell employers what skills you have

Scalability
Kubernetes
Blockchain
Cryptography
Microservices
Computer Science
Protocol
Docker
Java
Rust
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