Willies Wanjala

A multi-tenant AI sales chatbot for SMBs. Web widget + WhatsApp. Discovery Schema makes every tenant vertical-specific without per-customer prompts. Idle infra under $15/mo.

Offline-first Android exam-prep app running a quantized 0.8B LLM on-device via llama.cpp. Local RAG with sqlite-vec + ONNX embeddings. Native LaTeX in AI responses.

Personal-security app. Sentry Mode — motion-activated theft detection via foreground service + accelerometer. Real-time community safety map. CameraX evidence capture.