Blockchain Developer

TEC Partners - Technical Recruitment Specialists; United Kingdom; Remote; GBP 80,000 - 100,000; Full time

Job summary

A leading company in clean technology is seeking an experienced Blockchain Developer for a 3-month contract to develop a carbon offset tokenisation system on Hyperledger Besu. This role involves creating a secure blockchain network and smart contracts, offering flexible remote work and potential for future leadership opportunities.

Qualifications

• Solid experience with Solidity and Hyperledger Besu.
• Good understanding of carbon markets or environmental data systems.

Responsibilities

• Design and deliver a secure, permissioned blockchain network.
• Develop smart contracts for minting and verification of carbon credits.
• Collaborate with a small, agile team on sustainability projects.

Skills

Solidity

Hyperledger Besu

Web3 tooling

Job description

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Recruitment Consultant @ TEC Partners | Software Engineering & QA

Blockchain Developer (Contract – Carbon Tokenisation Project)

Remote | 3-Month Contract | Hyperledger Besu | Sustainability Tech

I'm currently working with a forward-thinking organisation in the clean technology sector, seeking an experienced Blockchain Developer for a 3-month contract to build the foundational infrastructure of a carbon offset tokenisation system on Hyperledger Besu.

This role involves designing and delivering a secure, permissioned blockchain network and developing smart contracts for the minting, verification, and retirement of tokenised carbon credits. You’ll take the lead from network configuration through to testnet deployment and audit readiness, collaborating with a small, agile team committed to sustainability and decentralised innovation.

Key responsibilities include:

• Developing ERC-20/1155-compatible smart contracts with embedded metadata (e.g., project ID, vintage year, verification body).
• Setting up a multi-node Besu network using IBFT 2.0 or QBFT consensus.
• Building minting and retirement APIs integrated with off-chain MRV (Measurement, Reporting & Verification) data.
• Delivering end-to-end functionality alongside comprehensive, audit-ready documentation.

The ideal candidate will have solid experience with Solidity, Hyperledger Besu, and Web3 tooling, as well as a good understanding of carbon markets or environmental data systems.

This contract offers the chance to work on a high-impact sustainability project, with flexible remote working and the potential for extension or a leadership role in future phases.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Contract

Job function

• Job function

  Information Technology

• Industries

  Energy Technology and Technology, Information and Media

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