DV Cleared Software Engineer – Secure Gov Tech, Cardiff

The Opportunity Hub UK Ltd; Cardiff; Hybrid; GBP 44,000 - 65,000; Full time

Benefits offered by this job

Equity in company

Flexible working hours around Cardiff

Learning and development budget

Flat structure and direct access to co

Core Cardiff office presence

Job summary

The Opportunity Hub UK Ltd in Cardiff is seeking a DV Cleared Software Developer to help build secure, mission-critical software for Defence & Government. You’ll ship code end-to-end, direct to government stakeholders, in a startup environment with minimal silos.

You’ll collaborate across a small team, influence architecture, and benefit from equity, flexible hours around a Cardiff office, and a direct line to founders and senior engineers.

Qualifications

• Active DV clearance is required for this role.
• Several years of professional software development experience.
• Experience with secure development practices in regulated environments.
• Willingness to work in a startup with ambiguous, evolving requirements.
• Strong communication skills to explain technical decisions to non-technical stakeholders.

Responsibilities

• Design and build software for secure, mission-critical systems in Defence & Government.
• Write, test, and deploy code across the full stack from backend to operator interfaces.
• Work directly with government stakeholders to translate requirements into working systems.
• Review code, catch problems early, and maintain high quality in a small team.
• Contribute to architecture decisions as the product scales and handle classified information correctly.

Skills

DV clearance

Software development

Secure development

Clear communication

Job description

The Opportunity Hub UK Ltd in Cardiff is seeking a DV Cleared Software Developer to help build secure, mission-critical software for Defence & Government. You’ll ship code end-to-end, direct to government stakeholders, in a startup environment with minimal silos.

You’ll collaborate across a small team, influence architecture, and benefit from equity, flexible hours around a Cardiff office, and a direct line to founders and senior engineers.