01
Custom Software Development
End-to-end product engineering for web, API and back-office systems.
- Greenfield platforms
- Legacy modernisation
- Domain-driven design
- Long-term maintainability
// Services
One engineering practice. Six disciplines that compound.
DOOR-KIJK integrates across the stack so your product, platform and security posture evolve as a single coherent system.
02
Web Application Engineering
Performance-obsessed web apps with refined interface engineering.
- React, TypeScript, SSR
- Design systems
- Edge & global delivery
- Accessibility (WCAG 2.2 AA)
03
Cloud Infrastructure & Platform
Resilient multi-region platforms with strong operational discipline.
- AWS · Azure · GCP
- Kubernetes & service mesh
- Terraform + GitOps
- FinOps & cost control
04
Cybersecurity & Data Protection
Security woven into the build, audited continuously.
- Threat modelling
- Identity & zero-trust
- SOC tooling & SIEM
- Compliance: GDPR, ISO, HIPAA
05
Data, Analytics & Applied AI
Governed data platforms and pragmatic AI you can actually deploy.
- Streaming & batch pipelines
- Lakehouse architectures
- MLOps & model serving
- Responsible AI review
06
Digital Strategy & Consulting
Engineering leadership for executives navigating complex change.
- Architecture audits
- Modernisation roadmaps
- Team topology
- Vendor & build decisions
// Engagement models
Three ways to work with us.
Build
Senior squads embedded for the duration of a defined build, from discovery to launch.
Operate
Long-term platform stewardship: SRE, security operations and continuous improvement.
Advise
Time-boxed advisory: architecture reviews, modernisation planning, leadership coaching.
// Platform
Cloud platforms designed for uptime, not for slide decks.
Multi-region, observable, and operationally calm. Your team gets a platform they can extend without holding their breath.
// Security
Security that protects users, not just audit reports.
Threat models, zero-trust foundations and continuous monitoring built into the same delivery pipeline as your features.