responsibilities may involve integrating smart contracts with other blockchain components and staying updated on industry trends in blockchain technology. Qualifications Experience with Smart Contract development and blockchain technologies, particularly Ethereum or other major platforms. Proficiency in Solidity, Vyper, or other smart contract programming languages. Understanding of blockchain architecture, cryptography, and decentralized systems. Ability to conduct comprehensive code testing, audits, and More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Albert Bow
products. Passion for building products users love.-Ability to build user-focused products. Experience collaborating closely with Product, Design, and Commercial teams Hands-on experience with blockchain technologies (e.g., Ethereum, Tezos, Layer 2s). Understanding of dApps, smart contracts, wallets, and DeFi. Excellent communication and leadership skills. Track record of shipping products on time and within budget. Perks & Benefits: Competitive More ❯
products. Passion for building products users love.-Ability to build user-focused products. Experience collaborating closely with Product, Design, and Commercial teams Hands-on experience with blockchain technologies (e.g., Ethereum, Tezos, Layer 2s). Understanding of dApps, smart contracts, wallets, and DeFi. Excellent communication and leadership skills. Track record of shipping products on time and within budget. Perks & Benefits: Competitive More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Albert Bow
products. Passion for building products users love.-Ability to build user-focused products. Experience collaborating closely with Product, Design, and Commercial teams Hands-on experience with blockchain technologies (e.g., Ethereum, Tezos, Layer 2s). Understanding of dApps, smart contracts, wallets, and DeFi. Excellent communication and leadership skills. Track record of shipping products on time and within budget. Perks & Benefits: Competitive More ❯
london, south east england, united kingdom Hybrid / WFH Options
Albert Bow
products. Passion for building products users love.-Ability to build user-focused products. Experience collaborating closely with Product, Design, and Commercial teams Hands-on experience with blockchain technologies (e.g., Ethereum, Tezos, Layer 2s). Understanding of dApps, smart contracts, wallets, and DeFi. Excellent communication and leadership skills. Track record of shipping products on time and within budget. Perks & Benefits: Competitive More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Albert Bow
products. Passion for building products users love.-Ability to build user-focused products. Experience collaborating closely with Product, Design, and Commercial teams Hands-on experience with blockchain technologies (e.g., Ethereum, Tezos, Layer 2s). Understanding of dApps, smart contracts, wallets, and DeFi. Excellent communication and leadership skills. Track record of shipping products on time and within budget. Perks & Benefits: Competitive More ❯
Farnborough, Hampshire, United Kingdom Hybrid / WFH Options
CBSbutler Holdings Limited trading as CBSbutler
the team in best practices for scalability, interoperability, and security. Communicate complex blockchain concepts and strategies clearly and effectively to technical and business stakeholders. Experience & Skills Proven expertise with Ethereum, Hyperledger, or Corda platforms. Deep understanding of blockchain interoperability, data privacy, and security principles . Demonstrated experience within financial services , particularly KYC/AML processes and secure customer data exchange More ❯
About Arbitrum Foundation The Arbitrum Foundation is dedicated to scaling Ethereum through cutting edge Layer 2 solutions. Our flagship product, Arbitrum One, an Optimistic Rollup, enables faster, more affordable transactions while maintaining Ethereum's security and decentralization. We empower developers to build decentralized applications (dApps) that are both scalable and secure, using Arbitrum chains, which offer flexibility in performance and … cost. Our mission is to enhance the Ethereum ecosystem and drive the adoption of Web3 technology by delivering high performance, open source blockchain solutions. Arbitrum is already the leading Ethereum scaling solution with hundreds of dApps on the platform and over $13bn TVL. At the Arbitrum Foundation, we value decentralization , innovation , and community . We are committed to shaping the More ❯
+ equity Company Overview Our client is a leading Web3 infrastructure provider focused on advancing blockchain transparency, performance, and usability. Backed by one of the largest organizations in the Ethereum ecosystem, they are developing a next-generation transaction explorer designed to provide deep insight into mempool activity and on-chain transaction flows. Role Overview The Senior Backend Engineer will contribute … to the design, development, and optimization of core blockchain infrastructure systems, with a particular focus on Ethereum transaction data and Geth integration. The successful candidate will work closely with a globally distributed engineering team to deliver highly performant and reliable backend services supporting real-time transaction analytics. Responsibilities Design and implement backend services for mempool and transaction data ingestion, processing … and visualization. Work on Geth integration and extend core Ethereum node functionality. Develop and maintain APIs and services enabling real-time transaction insight. Optimize system performance, reliability, and scalability for large-scale data environments. Collaborate with cross-functional teams to support research, product, and infrastructure goals. Participate in code reviews, testing, and continuous improvement initiatives. Requirements Strong proficiency with Geth More ❯
