AMIS Blockchain Backend Engineer
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Summary
Backend engineer on MaiCoin Group's AMIS team building enterprise digital-asset custody and wallet services: Bitcoin and EVM transaction creation/signing/broadcasting, multisig and HSM integrations, RBAC and audit workflows, all in Golang and deployed on Kubernetes with Helm.
You will build enterprise digital-asset custody and wallet services, including GraphQL APIs, multisignature workflows, and HSM integrations. You will implement Bitcoin and EVM transaction creation, signing, broadcasting, and on-chain synchronization. You will design access controls, transaction policies, audit logs, secure signing, and key-management processes. You will also deploy and operate services using Helm and Kubernetes, including monitoring and alerting.
Responsibilities
- Develop enterprise digital-asset custody and wallet service systems
- Implement Bitcoin and EVM transaction creation, signing, broadcasting, and on-chain synchronization
- Design RBAC, signing groups, transaction policies, and audit-log workflows
- Implement secure signing, key management, and cryptographic protocols
- Deploy and operate services using Helm and Kubernetes
- Monitor service metrics and alerts
Requirements
- Golang development ability and solid backend fundamentals
- Ability or willingness to learn smart-contract interaction, including ABI encoding, contract calls, and transaction parsing
- Kubernetes, Docker, and Helm deployment and management skills
- Knowledge of GraphQL or RESTful API services
- Experience with MySQL, SQL, database migrations, and transaction design
- Teamwork and communication skills
- Experience using LLM or AI-assisted development tools
- Commitment to software quality, including unit and integration testing
Benefits
- MacBook and 27-inch monitor
- Snacks and drinks
- Office meals and training sessions
- Flexible working hours
- Optional remote work
- 30 paid sick/personal leave days annually from hire
- 3 paid menstrual leave days annually
- Annual health-promotion allowance of NTD 30,000
- Marriage allowance of NTD 12,000
- Childbirth allowance of NTD 20,000 to NTD 50,000
- Bereavement allowance of NTD 30,000
- Quarterly team-building allowance of NTD 1,000 per person
- Employee referral bonus
- Employee holiday gift vouchers
- Group insurance
- Personal professional-development allowance