Senior Solidity Engineer

LocationLNDN GB, United Kingdom# Senior Solidity Engineer at N Consulting LtdLocationLNDN GB, United KingdomSalary£350 - £420 /dayJob TypeContractDate PostedOctober 13th, 2025Apply NowTitle: Senior Solidity EngineerExperience: 10yearsWork mode: Remote (some overlap with the US working hours would be good as the client is US based)Location: UKContract duration: 12 monthsMust have skills: • Demonstrable experience with Solidity. • Strong understanding of blockchain security practices and potential vulnerabilities. • Proficiency in Hardhat and Foundry. • Experience with Solidity security testing tools like Slither, Mythril, Echidna • Practical experience with scripting languages like Javascript or Typescript. • Ability to craft unit, integration, fork, and invariant tests, ensuring code longevity. • Demonstrable aptitude for best development practices, data structures, algorithms, and methodologies. • Bachelor's degree in Computer Science, Engineering, or a related STEM discipline. • Excellent debugging and troubleshooting skills. • Strong written and verbal communication skills. • Self-motivated with the ability to work in a fast-paced, evolving environment. • Proficient communication skills in English. • Development background in sectors such as banking, finance, or trading, paired with a comprehensive grasp of financial instruments and systems. Bonus Experience • Experience working with financial infrastructure around collateral, lending, and balance sheet management. • Experience with Chainlink tools, including CCIP, Data Feeds, VRF, and Automation. • Experience with multi-chain or cross-chain smart contract development. • Advanced degree in a STEM discipline. • Prior engagement with DeFi platforms, including but not limited to Aave, Uniswap, and MakerDAO. • Certifications in blockchain or smart contract development. • Experience with ZK technologies Responsibilities: • Design, develop, test, and deploy smart contracts. • Collaborate with frontend and backend developers to integrate smart contracts with web3 applications. • Rigorously review code to uphold standards of quality and functional robustness. • Maintain and enhance existing smart contracts based on evolving needs. • Stay ahead of the curve by updating knowledge on cryptographic and blockchain advancements, ensuring potential security threats are preempted and neutralized. • Work closely with product managers and stakeholders to crystallize technical needs and system architecture. • Offer your blockchain and smart contract expertise to a diverse team audience, catering to both technical and non-technical members. • Actively address and rectify issues identified in live smart contracts. • Stay updated with the latest developments in the Blockchain ecosystem and adapt solutions accordingly.
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