Five deployments, one fixed format.
Deployment notes: field notes from taking AI to production. Each case study answers the same six questions in the same order: the problem and who owned it, the constraints, what I designed, the integrations, how it is governed and operated, and the outcome with how it was measured.
Every case study carries a responsibility tag so you can see what I built by hand, what I designed and shipped with AI agents under my review, and what I directed.
A multi-tier model router across 12 LLM providers with streaming, a per-call cost ledger and usage-based billing, built for real-time agents, voice and trading alerts.
- 12 LLM providers behind one API
- Groq and Cerebras LPU inference for the low-latency tier
- Streaming SSE
- Per-call cost ledger and usage-based billing
Subscription detection, waste scoring and assisted cancellation over regulated Open Banking data, designed read-only by policy with human approval for every user-triggered action.
- UK Open Banking API (read-only scopes)
- Stripe subscriptions
- Cloudflare Pages, Functions and D1
- Multi-provider LLM routing with deterministic fallback
AI lead matching across 12+ service categories in DE-CH and EN, inside GDPR and nFADP boundaries, with pay-per-lead Stripe credit packs.
- Next.js 15 front end
- Firebase Cloud Functions
- Firestore (europe-west6)
- Stripe credit packs (pay per lead)
Policy check, evidence-pack retrieval, prompt registry, model routing, action runtime, audit ledger, human-review escalation and policy feedback, wrapped around every AI call across the product portfolio.
- Qorinix model router (12 providers)
- Prompt registry with versioning
- Content-addressed evidence packs
- Audit ledger with per-call cost attribution
A Next.js edge chatbot on Cloudflare Pages with a five-provider cascade, signed-cookie rate limiting with staged daily budgets and a curated preset answer bank streamed instantly. Live, inspectable proof of hands-on work.
- Next.js 15 App Router on Cloudflare Pages (next-on-pages)
- Edge runtime API route
- Groq, Cerebras, Gemini, DeepSeek and OpenRouter
- HMAC signed-cookie rate limiting
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