Blockchain Engineer (Fintech)

TL;DR

Blockchain Engineer (Fintech): Building secure, auditable smart contracts and multi-chain infrastructure for tokenized alternative assets with an accent on blockchain integrations, transaction processing, and governance systems. Focus on designing on-chain logic, integrating networks such as Cosmos and Liquid, and creating resilient infrastructure for institutional financial applications.

Location: London, United Kingdom

Company

hirify.global is a fintech company building on-chain infrastructure for the tokenization of alternative assets and digital capital markets.

What you will do

• Design and implement secure, auditable smart contract logic for tokenization, asset management, and governance.
• Build queue-based transaction workflows for submitting transactions to blockchain nodes and tracking ledger responses.
• Integrate blockchain and distributed ledger technologies with backend systems.
• Evaluate, test, and deploy blockchain logic across Cosmos, Liquid, and other Layer 1 networks.
• Develop tools for transaction monitoring, wallet integrations, and other on-chain interactions.
• Collaborate with product and engineering teams while promoting blockchain security and operational resilience.

Requirements

• 3+ years of software engineering experience, including at least 1 year working with blockchain or distributed ledger technologies.
• Experience with TypeScript or JavaScript integrations for blockchain networks.
• Experience with queue-based architecture and backend blockchain integrations.
• Experience developing and deploying smart contract logic or similar solutions on Layer 1 networks.
• Understanding of token standards, cryptographic primitives, signatures, hashes, multisignature systems, and transaction flows.
• Knowledge of blockchain tools, APIs, and development environments such as Cosmos SDK or Elements for Liquid.

Nice to have

• Experience in finance or fintech, especially digital assets or tokenization.
• Hands-on experience with Cosmos SDK, Liquid Network, or modular blockchain frameworks.
• Understanding of consensus mechanisms, interoperability protocols, and regulated tokenization platforms.
• Experience with custodial and non-custodial wallet systems.
• Strong technical writing and communication skills.

Culture & Benefits

• High-performance, collaborative environment with significant ownership and autonomy.
• Competitive salary with regular performance and progression reviews.
• Stock options, private healthcare, and 26 days of annual leave plus birthday leave and regional bank holidays.
• Enhanced parental leave, equipment budget, and an annual learning and development budget.
• Modern offices in London, Belfast, Dundalk, and Dubai.

Hiring process

• Applications are typically answered within one week.