Blockchain Developer CGEMJP

Role Title: Blockchain Developer

Duration: contract to run until 31/12/2025

Location: London, Hybrid 3 days onsite per week

Rate: up to £483 p/d Umbrella inside IR35

Role purpose/summary

We are seeking a skilled EVM Besu(or similar blockchains) Developer to design, implement, and maintain decentralized applications (dApps) on the Hyperledger Besu platform. The ideal candidate will have deep expertise in Ethereum Virtual Machine (EVM), smart contract development, and blockchain architecture, with hands-on experience in Java and Solidity.

Key Skills/requirements

• Develop and deploy dApps using Hyperledger Besu.
• Write, test, and audit smart contracts in Solidity.
• Integrate blockchain components with existing enterprise systems.
• Collaborate with cross-functional teams to define blockchain use cases and solutions.
• Optimize performance and scalability of blockchain nodes and networks.
• Maintain and troubleshoot deployed applications and smart contracts.
• Stay current with emerging trends in blockchain and Ethereum ecosystem.

Required Skills & Experience:

• Strong proficiency in Java and Solidity.
• Hands-on experience with Hyperledger Besu and EVM-based chains.
• Deep understanding of blockchain architecture and decentralized systems.
• Experience with smart contract development, testing, and deployment.
• Familiarity with web3.js, Truffle, Hardhat, or similar frameworks.
• Knowledge of cryptographic principles, gas optimization, and security best practices.
• Experience with CI/CD pipelines, Docker, and Kubernetes is a plus.

Preferred Qualifications:

• Bachelor's or Master's degree in Computer Science, Engineering, or related field.
• Contributions to open-source blockchain projects.
• Experience with enterprise blockchain integrations.
• Familiarity with Ethereum Layer 2 solutions, Rollups, or Zero-Knowledge Proofs

All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply!