Blockchain Engineer

Design and implement secure, auditable on-chain smart contract logic for tokenization, asset management, and governance. Integrate blockchain and distributed ledger technologies into backend systems, manage transaction flows, deploy blockchain logic across networks such as Cosmos and Liquid, and build tools for transaction monitoring and wallet integrations.

Responsibilities

• Design and implement secure, auditable smart contract logic for tokenization, asset management, and governance.
• Use queue-based architecture to create blockchain transactions and keep the ledger in sync.
• Integrate blockchain and distributed ledger technologies into backend systems.
• Evaluate, test, and deploy blockchain logic across Cosmos, Liquid, and other Layer 1 networks.
• Build tools for transaction monitoring and wallet integrations.
• Collaborate with product and engineering teams on blockchain solutions for financial institutions.
• Track developments in blockchain infrastructure, standards, and regulatory frameworks.
• Promote blockchain security and operational resilience best practices.

Requirements

• 3+ years of software engineering experience, including at least 1+ year with blockchain or distributed ledger technologies.
• Experience using TypeScript or JavaScript for blockchain integrations.
• Familiarity with queue-based architecture.
• Experience developing and deploying smart contract logic on Layer 1 networks.
• Familiarity with token standards and on-chain asset representation.
• Understanding of cryptographic primitives, signatures, hashes, multisig, and transaction flows.
• Experience integrating blockchain infrastructure into backend applications.
• Knowledge of blockchain tools, APIs, and development environments such as Cosmos SDK and Elements for Liquid.
• Exposure to finance or fintech environments involving digital assets or tokenization.
• Hands-on experience with Cosmos SDK, Liquid Network, or other modular blockchain frameworks.
• Understanding of consensus mechanisms and interoperability protocols.
• Familiarity with regulated tokenization platforms or compliance-first blockchain use cases.
• Experience with custodial and non-custodial wallet systems.
• Strong communication skills for writing documentation and technical specifications.

Benefits

• Competitive salary with regular reviews.
• Generous stock options.
• Premium private healthcare.
• 26 days of annual leave plus birthday leave and regional bank holidays.
• Enhanced parental leave.
• MacBook, screens, and required equipment.
• UK salary sacrifice schemes.
• Modern offices in London, Belfast, Dundalk, and Dubai.
• Annual learning and personal development budget.