Blockchain Developer Job Description Template

The blockchain developer builds applications and services that use distributed ledger technology, spanning smart contracts, integration services and the infrastructure connecting them to existing systems. In a financial services context the work sits alongside conventional systems and regulatory obligations, so the role needs both blockchain depth and the discipline of regulated engineering.

Typical Duties and Responsibilities

• Develop smart contracts and the services that interact with them
• Integrate blockchain components with existing financial systems
• Build indexing and reconciliation between chain state and internal records
• Implement transaction submission, monitoring and retry logic
• Write tests covering contract logic and integration paths
• Support key management and custody requirements
• Deploy and verify contracts across environments
• Monitor on chain activity and investigate anomalies
• Support compliance requirements applying to digital asset activity
• Document interfaces and operational procedures

Education

• Bachelor’s degree in computer science or equivalent practical experience

Required Skills and Experience

• 2+ years of blockchain development with production deployments
• Working knowledge of at least one smart contract language
• Strong backend engineering skills
• Understanding of smart contract security fundamentals
• Experience with reconciliation between on chain and off chain records
• Awareness of custody and key management requirements
• Testing discipline appropriate to systems holding value
• Understanding of the regulatory context for digital assets

Preferred Qualifications

• Financial services experience
• Familiarity with custody or wallet infrastructure