AI & integrations
AI-driven systems, external services and connected workflows.
Software engineering · Technical leadership · Research
Castiel
Johansen
Jude Castiel Johansen · Cass to most
Director and founder of Shockware Limited. AI Solutions Engineer with 15 years of experience delivering software across e-commerce, utilities and complex business systems.
Engineering focus
Architect the system. Deliver the solution.
End-to-end engineering grounded in practical business requirements.
Software architecture
Technical leadership and full-stack implementation of business systems.
Iterate what exists
Automation, process optimisation, website development and legacy-system rescue.
Research
Publications
ε-Sufficient Context for Bounded Readers: Definitions and a Non-Monotonicity Result for Code Editing
Preprint · Zenodo · DOI 10.5281/zenodo.23282824
Defines when context is sufficient for a code-editing language model and proves, in Lean 4, that adding context can reduce sufficiency for bounded readers.
The Mathematics of Perlin Noise
Article · Mathematics Today, Institute of Mathematics and its Applications
Explains the mathematics behind Perlin noise, the gradient-noise algorithm used to generate natural-looking textures and terrain in video games and computer graphics.
Career
Experience
Director & Founder
Shockware Limited
Software services spanning AI systems, full-stack engineering, technical architecture, automation, SEO and legacy projects.
Senior Software Engineer
OnBuy
Evolved an international e-commerce marketplace, delivered cross-border selling capabilities and large-scale data integrations, and integrated payment and fraud prevention providers.
Lead Software Engineer
Intellitect Water
Built and led delivery of front-end and back-end systems, a SaaS platform, real-time analysis and internal engineering tools.
Software Engineer
J CUBED LIMITED
Developed SaaS portals and data analytics for telecoms, healthcare and AI clients, including software in safety-critical environments.
Junior Game Developer
FinBlade
Full-time, on-site in Eastleigh. Designed mobile games, used Git for source control and debugging, and led programming for applications and R&D.
BSc Computer Games Development
Connect
Have an engineering challenge?
Email me directly or visit my LinkedIn profile.