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)
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
- 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
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.
Seniority level
Mid‑Senior level
Employment type
Contract
Job function
Software Development, IT System Custom Software Development, and Financial Services
