Hyperledger blockchain developer
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Key skills for this role
About the Role
Develop and maintain multi-chain blockchain integrations, smart contracts, payment processing systems, and ensure security compliance while collaborating with engineering teams.
Key Skills for This Role
Responsibilities
- Build and maintain multi chain integrations across Ethereum, Bitcoin, TRON, and Polygon
- Develop and deploy smart contracts with a focus on security and reliability
- Implement wallet infrastructure, key management, and transaction signing flows
- Integrate with blockchain nodes and third party APIs (RPCs, block explorers, oracles)
- Develop payment processing pipelines including invoicing, matching, and settlement
- Build robust transaction monitoring, status tracking, and reconciliation systems
- Implement webhook delivery systems and merchant facing APIs
- Optimise for performance, reliability, and 99.9%+ uptime
- Implement security best practices across wallet flows and transaction handling
- Support KYC/AML/PCI DSS compliance requirements within the engineering layer
- Contribute to audit trails, logging, and regulatory reporting systems
- Participate in security reviews and code audits
Requirements
- Experience with multi chain integrations across Ethereum, Bitcoin, TRON, and Polygon
- Experience developing and deploying smart contracts with a focus on security
- Experience implementing wallet infrastructure, key management, and transaction signing flows
- Experience building payment processing pipelines including invoicing, matching, and settlement
- Experience with security best practices across wallet flows and transaction handling
- Support KYC/AML/PCI DSS compliance requirements within the engineering layer
Full Job Posting
Blockchain Development
- Build and maintain multi chain integrations across Ethereum, Bitcoin, TRON, and Polygon
- Develop and deploy smart contracts with a focus on security and reliability
- Implement wallet infrastructure, key management, and transaction signing flows
- Integrate with blockchain nodes and third party APIs (RPCs, block explorers, oracles)
Payment Infrastructure
- Develop payment processing pipelines including invoicing, matching, and settlement
- Build robust transaction monitoring, status tracking, and reconciliation systems
- Implement webhook delivery systems and merchant facing APIs
- Optimise for performance, reliability, and 99.9%+ uptime
Security & Compliance
- Implement security best practices across wallet flows and transaction handling
- Support KYC/AML/PCI DSS compliance requirements within the engineering layer
- Contribute to audit trails, logging, and regulatory reporting systems
- Participate in security reviews and code audits
Engineering Collaboration
- Work closely with the engineering team on architecture and implementation
- Participate in code reviews and maintain coding standards
- Collaborate with Product and Compliance teams on feature delivery
- Write clear technical documentation and contribute to internal knowledge sharing
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