Senior Blockchain Engineer.

Responsibilities

• Take ownership of an existing suite of smart contracts and supporting applications

• Lead contract hardening, testing, security review and production readiness initiatives

• Maintain and enhance Solidity based smart contract systems

• Develop and support backend services and operational tooling in TypeScript

• Drive deployment processes, environment management, monitoring and recovery procedures

• Collaborate with internal and external stakeholders on security, compliance and technical delivery requirements

• Review and assess third party code contributions and integrations

• Ensure platform stability, security and scalability through the full product lifecycle

Requirements

• Proven experience delivering and maintaining production smart contracts

• Good command of Cantonese and Mandarin, some English is an advantage

• Strong Solidity development experience

• Experience managing or participating in external smart contract security audits

• Strong understanding of upgradeable contract architectures and security best practices

• Experience with multisig environments, key management and blockchain operations

• Strong TypeScript and Node.js development skills

• Experience designing and maintaining automated testing frameworks

• Comfortable working across smart contracts, backend services and deployment infrastructure

• Ability to work independently within a fast moving environment

Preferred Experience

• Experience within fintech, digital assets, blockchain infrastructure, or regulated technology environments

• Familiarity with on chain data integrations and oracle frameworks

• Knowledge of compliance focused product development

• Experience reviewing and assessing third party smart contract code

• Exposure to formal verification, advanced testing methodologies, or security research

• Experience using AI assisted development workflows and engineering automation tools

What's on Offer

• Opportunity to own a business critical blockchain platform

• Direct access to decision makers and technical leadership

• Exposure to complex financial and enterprise technology challenges

• A collaborative and entrepreneurial environment

• Long term growth potential as the platform scales

For a confidential discussion, please contact Alex Beattie at abeattie@goughrecruitment.com.hk / +852 2115 1070.

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