Senior Blockchain Engineer
Posted 7 days ago by 1749228784
Negotiable
Outside
Remote
Flexible Working
Summary: The Senior Blockchain Engineer role involves developing secure and scalable smart contracts and backend systems for a global investment organization. The position is contract-based and focuses on building a new digital platform, requiring expertise in blockchain technologies and integration with financial products. Candidates must have significant experience in backend and blockchain development, particularly with smart contracts. This opportunity is remote but requires candidates to be based in the UK.
Key Responsibilities:
- Build secure, scalable smart contracts and backend systems for tokenized assets and multi-chain infrastructure.
- Support the development of a new digital platform for a global investment organization.
- Integrate blockchain features into real-world financial or investment products.
- Work across smart contracts, protocol integrations, and backend engineering within a regulated environment.
Key Skills:
- 5+ years of backend/blockchain development experience, 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 financial or investment products.
Salary (Rate): £850 daily
City: undetermined
Country: UK
Working Arrangements: remote
IR35 Status: outside IR35
Seniority Level: Senior
Industry: IT
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 backend systems powering tokenized assets and multi-chain infrastructure.
Required skills:
- 5+ years of backend/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 backend engineering within a regulated environment, creating products that are reshaping the future of investing.
*please note that candidates must be based in the UK