We're Hiring

Build the boundary.

We're building a quantum-resilient secure vault and communications platform from a rigorous four-layer architecture. Deep technical ownership, specification-driven delivery, and clear documentation are non-negotiable.

Dublin, Ireland
Full-time & Permanent
Competitive + Equity
Layer 1Senior

Senior C/C++/Rust Engineer

Technical Lead

Lead QVCore, the native security engine. Own Layer 1 architecture, SQLCipher-backed storage, cryptographic engineering, and technical standards across the four-layer model.

Layer 1Senior

Senior C/C++/Rust Engineer

Collaborative Contributor

Work alongside the Technical Lead to build QVCore features and storage integrations with careful delivery against specification.

Layer 2Senior

Senior Rust Engineer

IPC / FFI

Own the Rust IPC and FFI boundary between native security capabilities and the application layers, with a focus on robust contracts and testability.

Build and test the IPC/FFI layer, document interfaces, and work directly from the SRS and threat models.

Apply
Layer 3Senior

Senior PySide6 Engineer

Desktop Application

Turn the security engine into a clear, dependable desktop experience for Windows and macOS users.

Own PySide6 application flows, accessibility, error states, and integration with the security layers.

Apply
Layer 3Mid-level

Mid-level PySide6 Engineer

Desktop Application

Help deliver thoughtful, testable desktop interfaces for a security product where every interaction matters.

Implement product flows, tests, documentation, and polished UI states in close collaboration with the platform team.

Apply
PlatformSenior

Systems & Platform Administrator

Self-hosted infrastructure

Provision, harden, and maintain the self-hosted infrastructure, collaboration services, backups, and operational runbooks that let the team work securely.

Own Linux hardening, source control, reverse proxies, TLS, containerisation, monitoring, access policy, backup, and recovery.

Apply

Not a perfect match? We'd still like to hear from you.

careers@quantumviva.com