Senior Blockchain Engineer - Smart Contracts & DLT (Remote)

Delta Capita; Ipswich; Hybrid; GBP 70,000 - 120,000; Full time

Job summary

Delta Capita Group is seeking a Blockchain Developer to design, build and deploy distributed ledger and smart contract solutions for financial services clients. You will work across Ethereum, Hedera, Algorand, and MACH Chain to deliver secure, scalable decentralised applications.

The role requires hands-on experience with Solidity on Ethereum and familiarity with Hedera or Algorand, plus deep knowledge of blockchain fundamentals and Web3 tooling.

Qualifications

• Experience with security tokens on distributed ledgers.
• Proven hands-on experience developing and deploying smart contracts on Ethereum (Solidity) and familiarity with Hedera (Solidity/Hedera Token Service) or Algorand (PyTEAL/TEAL/ARC standards).
• Strong understanding of blockchain fundamentals including consensus mechanisms, cryptographic primitives, tokenomics, and DLT architectures.

Responsibilities

• Design, develop, and deploy smart contracts and decentralised applications across Ethereum, Hedera, Algorand, and MACH Chain (our proprietary blockchain).
• Design and implement blockchain-based solutions tailored to the specific requirements of financial services clients.
• Contribute to the ongoing development and enhancement of MACH Chain, including protocol-level improvements and tooling.
• Collaborate with backend engineers, solution architects, and product managers to integrate blockchain components with broader platform services and APIs.
• Conduct rigorous smart contract auditing, testing, and optimisation to ensure security, correctness, and gas efficiency.
• Stay current with emerging developments across Ethereum (EVM/L2), Hedera Hashgraph, Algorand, and the broader DLT ecosystem.
• Provide technical guidance and support to junior team members and contribute to internal knowledge sharing.
• Engage with project managers, product managers and business analysts to understand requirements, present solutions, and support delivery.
• Contribute to the continuous improvement of MACH's development processes, standards, and tooling.

Job description

Delta Capita Group is seeking a Blockchain Developer to design, build and deploy distributed ledger and smart contract solutions for financial services clients. You will work across Ethereum, Hedera, Algorand, and MACH Chain to deliver secure, scalable decentralised applications.

The role requires hands-on experience with Solidity on Ethereum and familiarity with Hedera or Algorand, plus deep knowledge of blockchain fundamentals and Web3 tooling.