Blockchain Developer | 6 Month Contract | Hybrid | London We\'re looking for an experienced Blockchain Developer to join a growing engineering team working on real-world smart contract solutions. This will be a hands-on role focused on smart contract development across multiple blockchain ecosystems, with a strong emphasis on Ethereum (Solidity) or Solana (Rust), and exposure to DAML-based enterprise platforms is highly valued. Location: London (1 day onsite, 4 WFH) Contract: 6 Months (OIR35) Rate: £500-600 DOE What You\'ll Be Working On: Designing, developing and maintaining smart contracts / on-chain programs Building solutions on Ethereum (Solidity) or Solana (Rust) Contributing to enterprise distributed ledger workflows (DAML-based platforms) Collaborating with engineers and product teams on architecture, security and scalability Reviewing, testing, and improving smart contract code Supporting integration with off-chain services, APIs, and data layers Key Skills & Experience: Strong experience working with Solidity and Ethereum smart contracts And/Or experience developing Solana programs using Rust Understanding of smart contract security, testing and optimisation Experience working with DAML (desirable but not essential) Exposure to XRP Ledger/Ripple concepts or integrations (Bonus) Why This Role? Work across multiple blockchain ecosystems without being siloed Opportunity to expand into enterprise DLT and future XRP/Ripple work Flexible working pattern with minimal on-site requirement Competitive contract rate Engineering-led, pragmatic blockchain work (not hype-driven) If you\'re a Blockchain Developer with strong smart contract experience in either Ethereum or Solana and an interest in broader DLT platforms - we\'d love to hear from you.
Locations
City of LondonLondon
