Product Owner (Digital Asset Custody / MPC)

About The Vault

The Vault is a crypto-finance company building an MPC-based crypto custody and wallet platform designed for both institutional and retail users. Our infrastructure combines threshold signing, HSM and hardware-wallet integration with non-extractable key shares, and robust recovery and policy flows across a growing range of chains and assets. We are headquartered in Limassol, Cyprus.

The Role

We are looking for a Product Owner to own the end-to-end product vision, roadmap, and requirements for our custody platform. You will be the single point of accountability for defining what the platform builds and why: prioritising the backlog across competing inputs — customer commitments, security audit findings, cryptographic research milestones, and regulatory obligations — and translating cryptographic and security constraints into clear, testable product requirements.

You will act as the primary product interface between cryptography research, engineering, security, compliance, design, and customer-facing teams, and represent the platform externally in partner, auditor, and investor conversations. You will work in close partnership with the Delivery Manager: you set scope, priority, and acceptance, while the Delivery Manager owns execution cadence and release operations.

What You Will Do
- Own and evolve the product vision, roadmap, and requirements for our MPC-based custody and wallet infrastructure.
- Prioritise the product backlog across customer commitments, security audit findings, cryptographic research milestones, and regulatory obligations.
- Translate cryptographic and security constraints into clear, testable product requirements with well-defined acceptance criteria.
- Define core platform capabilities: threshold signing, HSM and Ledger integration with non-extractable key shares, recovery and policy flows, and chain and asset coverage.
- Lead customer and stakeholder discovery, and produce high-quality written specifications.
- Make product-level trade-offs between new features, platform hardening, and technical debt.
- Serve as the primary product interface between cryptography research, engineering, security, compliance, design, and customer-facing teams.
- Represent the platform externally in partner, auditor, and investor conversations.