Product Owner
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.
What We Are Looking For
- Proven experience as a Product Owner or Product Manager on a technical platform — ideally in digital asset custody, fintech infrastructure, security, or cryptography-adjacent products.
- Working understanding of custody and key-management concepts: MPC / threshold signatures, HSMs, hardware wallets, recovery and policy engines.
- Ability to engage credibly with cryptographers, security engineers, and auditors — and to turn their constraints into product decisions.
- Excellent written specification skills: unambiguous requirements, acceptance criteria, and documentation.
- Experience balancing regulatory and audit obligations with commercial product goals.
- Strong stakeholder management and external communication skills; fluent English.
Nice to Have
- Hands-on experience with blockchain protocols, wallets, or web3 products as a user or builder.
- Exposure to security audits, penetration testing cycles, or compliance frameworks in a regulated environment.
- Experience serving both institutional and retail user segments on one platform.
How Success Is Measured
- Soundness and adoption of the product roadmap.
- Quality and clarity of the requirements handed to delivery.
- Security and audit posture of the resulting platform.
- Measurable growth of institutional and retail usage.
- A central role in shaping the flagship product of a growing crypto-finance company;
- Competitive compensation package;
- Annual performance bonus;
- Flexibility to work fully remotely or from our Limassol office, collaborating closely with a senior, technically deep team;
- Relocation package and visa support.
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