Full Stack Software Engineer
Hadean is a UK defense technology company developing AI-powered spatial computing, simulation, and command-and-control software. Its products support defense organizations and militaries with mission planning, wargaming, training, rehearsal, targeting, and air-defense decision-making.
Funding history
About Hadean Supercomputing LTD
Hadean develops defense-focused software combining artificial intelligence, large-scale simulation, spatial computing, and data integration. Its product suite includes populAI for realistic multi-domain simulation and training, dominAI for command-and-control and faster-than-real-time course-of-action analysis, and optimAI for secure, air-gapped AI, intelligence, and assessment workflows. Hadean serves defense organizations, militaries, national-security communities, and civilian infrastructure operators, with solutions spanning wargaming, mission rehearsal, LVC training, air defense, mission planning, targeting, resilience, and transport planning.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will build and maintain React and TypeScript interfaces, develop Node.js backend services that integrate with AI inference and simulation systems, own features from requirements through support, plan and estimate sprint work, collaborate with UX designers, and maintain quality through testing and code review.
Requirements
- Degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience
- Professional experience building web applications with React and TypeScript
- Working proficiency in Node.js
- Strong communication skills
- Ability to obtain and maintain UK Security Vetted status to at least SC level
- Willingness to attend the Shoreditch office at least once a week
- Experience with Vite
- Experience with API design, data modelling, or backend integration patterns
- Experience with event-driven architectures, message queues, or real-time data systems
- Experience with component and styling libraries such as MUI or Tailwind
- Experience with state management libraries such as Zustand or Immer
- Experience integrating with or building around AI services or simulation platforms
- Evidence of advocating for best practices or improving a team
- Interest or familiarity with the defence sector, military modelling and simulation, or command and control systems
- Interest in travelling to support customer deployments, hackathons, and industry events
Responsibilities
- Develop and maintain web applications with React and TypeScript
- Build and extend Node.js backend services
- Own features end to end from requirements through delivery and support
- Plan and execute development sprints
- Provide estimates for your work
- Collaborate with UX designers on interfaces for complex data
- Maintain quality through automated and manual testing and code review
Benefits
- Hybrid working with one day per week in the Shoreditch office in London
- Private health insurance
- Enhanced pension scheme
- Enhanced parental leave
- Three extra days off at Christmas
- L&D budget
- Regularly scheduled social events
- Share options
