Full Stack Developer

Company Description

QSAFE LIMITED is a UK-registered quantum-safe security company delivering post-quantum cryptography solutions to enterprise clients. QSAFE helps organizations protect against quantum computing threats such as Harvest Now Decrypt Later (HNDL) attacks, where encrypted data is stolen and stored for future decryption. Its flagship product, the Quantum Exposure Score, provides a standardized measure of quantum risk across multiple dimensions, including cryptographic vulnerability and data longevity. QSAFE uses NIST-standardised post-quantum algorithms (ML-KEM and ML-DSA) and works with enterprises across the UK, GCC, and Asia-Pacific on quantum readiness and migration planning.

Role Description

This is a full-time remote role for a Full Stack Developer at QSAFE LIMITED. The Full Stack Developer will design, develop, and maintain secure web applications and services that support QSAFE’s quantum-safe security products and analytics platforms. Day-to-day responsibilities include implementing front-end interfaces, building and optimizing back-end APIs and services, integrating cryptographic components, and ensuring performance, reliability, and security across the stack. The role involves collaborating with product, security, and data teams to translate technical requirements into robust software solutions, participating in code reviews, and contributing to continuous improvement of development practices. The developer will also help with documentation, testing, and deployment pipelines to support scalable delivery to global enterprise clients.