Senior Blockchain Engineer - Smart Contracts, Web3, APIs, Node.js, Go, Rust, Solidity, DeFi - Global Investments - Remote - up to £850 outside IR35

We are working with a growing Global Investment organisation, who are seeking a Senior Blockchain Developer to join their team on a contract basis, supporting the build of a new digital platform.

The successful candidate will be tasked with building secure, scalable smart contracts and Back End systems powering tokenized assets and multi-chain infrastructure.

Required skills:
- 5+ years of Back End/blockchain development (including 2+ years on live smart contract deployments)
- Deep understanding of EVM architecture, blockchain consensus, gas mechanics, and DeFi primitives.
- Proficiency with Solidity and tools such as Hardhat, Ethers.js, Web3.js, or Foundry.
- Experience integrating blockchain features into real-world financial or investment products.

This is an exciting opportunity to work across smart contracts, protocol integrations, and Back End engineering within a regulated environment, creating products that are reshaping the future of investing.

.please note that candidates must be based in the UK