Staff Software Engineer, Crypto Custody (Web3)

TL;DR

Staff Software Engineer, Crypto Custody (Web3): Building and scaling secure systems for digital asset custody, transforming manual operations into automated, policy-driven infrastructure with an accent on multisignature and MPC custody systems. Focus on leading secure key ceremonies and physical custody processes with the highest standards of precision and audit readiness.

Location: Based in our New York, NY or Menlo Park, CA office, with in-person attendance expected at least 3 days per week.

Salary: $230,000 - $270,000 USD (Menlo Park, CA; New York, NY)

Company

hirify.global's mission is to democratize finance for all.

What you will do

• Own and scale hirify.global’s custodial and non-custodial programs, building secure infrastructure for new assets, products, and markets.
• Drive reliability, scalability, and automation across all custody operations, transforming manual processes into resilient, policy-driven systems.
• Design and implement robust custody services including transaction signing, policy enforcement, reconciliation, and monitoring.
• Partner cross-functionally with infrastructure, security, compliance, finance, and risk teams to execute secure and compliant custody operations.
• Lead secure key ceremonies and physical custody processes with the highest standards of precision and audit readiness.

Requirements

• 10+ years of experience building and scaling blockchain custody systems in regulated environments.
• Proficiency in Python and/or Go with strong understanding of cloud-native architectures (e.g., AWS, Kubernetes).
• Deep familiarity with multisignature and MPC custody systems, including practical experience with HSMs and custody vendors.
• In-depth knowledge of blockchain protocols including UTXO-based (e.g., Bitcoin) and account-based (e.g., Ethereum, Solana) models.
• Strong communication and collaboration skills with a documentation-first, security-conscious approach.

Culture & Benefits

• Challenging, high-impact work to grow your career.
• Performance-driven compensation with multipliers for outsized impact, bonus programs, equity ownership, and 401(k) matching.
• Best-in-class benefits to fuel your work, including 100% paid health insurance for employees with 90% coverage for dependents.
• Time off to recharge including company holidays, paid time off, sick time, parental leave, and more!
• Exceptional office experience with catered meals, events, and comfortable workspaces.