Blockchain Engineer
Ctrl Alt · London ·
- Work mode
- Onsite
- Employment
- Contract
- Category
- Blockchain
- Experience
- 1+ years
Design and implement secure, auditable smart contract logic for tokenization, asset management, and governance. Integrate blockchain and distributed ledger technologies into backend systems, evaluate and deploy blockchain logic on Cosmos, Liquid, and other Layer 1 networks, and build tools for transaction monitoring and wallet integrations.
Responsibilities
- Design and implement secure, auditable smart contract logic for tokenization, asset management, and governance
- Work with a queue-based architecture to create transactions, send them to blockchain nodes, and manage ledger responses
- Integrate blockchain and distributed ledger technologies into backend systems
- Evaluate, test, and deploy blockchain logic on Cosmos, Liquid, and other Layer 1 networks
- Build tools for transaction monitoring and wallet integrations
- Collaborate with product and engineering teams to deliver blockchain solutions for financial institutions
- Stay current on 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 with TypeScript or JavaScript blockchain integrations
- Familiarity with queue-based architecture
- Experience developing and deploying smart contract logic or similar on Layer 1 networks
- Familiarity with token standards and on-chain asset representation
- Understanding of cryptographic primitives such as signatures, hashes, and multisig
- Experience integrating blockchain infrastructure into backend applications
- Knowledge of blockchain tools, APIs, Cosmos SDK, and Elements for Liquid
Benefits
- Competitive salaries 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
- Salary sacrifice schemes
- Modern offices in London, Belfast, Dundalk, and Dubai
- Annual learning and personal development budget