Senior Blockchain Engineer

Description: Design and operate secure blockchain systems for customer assets. Lead custody architecture, integrations, and migrations while ensuring security and transaction continuity. Develop and maintain production-grade smart contracts and DEX integrations. Build multi-chain transaction infrastructure across various networks. Establish practices for observability, incident response, and operational security. Requirements: Strong software engineering experience in financial services or digital assets. Hands-on experience with RPC integrations, node operations, and custody systems. Experience with on-premises custody infrastructure using HSMs. Knowledge of key lifecycle management and cryptographic signing. Production experience with EVM-compatible and non-EVM networks, including Solana. Strong Solidity knowledge; Rust or Solana experience is a plus. Understanding of node synchronization and transaction models. Ability to manage complex, security-sensitive projects independently. Benefits: Opportunity to work on transformative financial technology. Be part of a rapidly scaling company backed by significant investment.