This is a remote position.

We're looking for a
Senior Blockchain Engineer
who can take ownership of blockchain engineering, production readiness, smart contract implementation, and multi-chain integrations while working closely with our Technical Lead and founding team.

This is a hands-on engineering role with significant technical ownership. You'll help shape the platform architecture, engineering standards, and long-term scalability—not simply execute predefined tasks.

Much of the work involves integrating multiple blockchain and financial APIs into a unified developer experience.

Job Description

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  Harden the platform for production deployment
• 
  Implement encryption at rest and in transit
• 
  Design and maintain secure Role-Based Access Control (RBAC)
• 
  Build comprehensive audit logging and monitoring
• 
  Support security reviews and penetration testing

Blockchain Development

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  Build and maintain secure smart contracts using audited open-source standards (e.g., OpenZeppelin)
• 
  Integrate and manage blockchain infrastructure across multiple networks
• 
  Develop chain-agnostic transaction workflows
• 
  Implement secure transaction lifecycle management

Multi-Chain Infrastructure

Expand support beyond existing integrations by working with:

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  Ethereum
• 
  Stellar
• 
  Arbitrum
• 
  Base
• 
  Tempo
• 
  Circle infrastructure
• 
  Both EVM and non-EVM ecosystems

Platform Development

Develop and enhance:

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  Off-chain audit records
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  Reporting and treasury dashboards
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  Local payout/off-ramp integrations
• 
  Treasury management workflows
• 
  Blockchain orchestration APIs

Risk & Security

Implement transaction controls including:

• 
  Approval workflows
• 
  Operational risk guardrails
• 
  Compliance integrations
• 
  Secure wallet management
• 
  Chainalysis (or similar) transaction screening before fund release

Requirements