Software Engineer - Wallets

📋 Description

• Own architecture of wallet infrastructure for custody, key management, transaction signing
• Design flexible signing infrastructure supporting MPC, HSMs, secure enclaves, TEEs
• Build wallet systems across account models (EOAs, smart contract wallets, ERC-4337, embedded
• Define boundaries between cryptography and wallet orchestration
• Architect security-critical key management systems
• Build highly available signing and transaction infrastructure

🎯 Requirements

• Deep expertise in wallet, custody, cryptography, or security infrastructure
• Experience designing or building production wallet, custody, signing, or key management systems
• Strong knowledge of applied cryptography (MPC, threshold signatures, ECDSA, EdDSA, etc.)
• Experience with HSMs, secure enclaves, TEEs, confidential computing, hardware-backed key isolation
• Strong understanding of blockchain account architecture (EOAs, smart contract wallets, ERC-4337
• Experience designing authentication, authorization, policy, permissions, recovery, or

🎁 Benefits

• Unlimited time off
• Flexible working
• Health, dental, and vision plan coverage
• 401(k) with 4% company match
• Equity plan
• Health and wellness stipend