AMIS Blockchain Backend Engineer

Taiwan-based digital-asset services group founded in 2013, operating crypto brokerage and exchange platforms, payments, a Web3 wallet, institutional services, and enterprise blockchain infrastructure.

Taipei, Taiwan

Funding history

About MaiCoin Group

MaiCoin Group is the operating brand and umbrella group associated with Modernity Financial Holdings, Ltd. Its first-party materials identify Modernity Financial Technologies, AMIS Technologies, and MaiCoin Technologies within the group structure. Current services include MaiCoin, MAX Exchange, MaiCoin Pay, Qubic Wallet, MaiCoin Business, AMIS Custody Solution, and Qubic Creator. The group reports more than one million users and maintains active trading, support, compliance, enterprise, and educational operations.

View jobs by MaiCoin Group

Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

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.

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

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

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