From fintech to AI to healthcare — projects I've built from scratch and systems I've taken over and improved.
Revent Technologies
Leading frontend development for Guaranty Trust Holding Company (GTCO) digital banking — target savings, flexible savings, cards, transfers, bill payments, loans and more.
Impact
Reliable, scalable banking experiences across GTCO ecosystem with product, design and backend teams.
Oyster Skin Technologies
Agentic AI skincare assistant on the Vercel AI SDK against a custom tool-calling backend — multi-turn LLM function calling (product search, RAG knowledge, routine generation, conversational memory) across multiple LLM providers, rendered as product cards, routines and citations via useChat tool UI states.
Impact
Shipped AI-first commerce UX: chat, routines, citations and multi-provider orchestration.
Oyster Skin Technologies
Led end-to-end design and development of the mobile app, vendor web app, waitlist and main site. Built "Ask Your Model" natural-language BI chat for vendors (streaming metrics via AI SDK data-stream protocol with tool-call progress + follow-ups). Built real-time AI voice agent in the Oyster Widget (WebSocket + AudioWorklet PCM capture, VAD/gating — identify customer, create order, generate payment link). Shipped AI Skin Scan + Product Scan (multi-image face analysis, 3-tier product ID, fit scores, allergen warnings) across mobile, web and widget.
Impact
1000+ downloads on launch. Established frontend architecture used company-wide.
Konga Online Shopping Ltd.
Search and indexing platform that replaced Algolia for 1M+ records at sub-500ms — RBAC, faceted search, real-time filtering, pagination. Built AI-powered search and discovery interfaces on top (agent/tool-call APIs + streaming for natural-language discovery, recommendations, contextual search).
Impact
Saved $75,000 in search/indexing operational costs.
Afrihealth
EMR platform adopted by 100+ hospitals. Built scalable React + TypeScript clinical workflow UIs plus AI-assisted healthcare workflows (LLMs + tool calling for patient data retrieval and clinical tasks). Maintained the React Native app (REST APIs, auth, onboarding, push, analytics, crash reporting).
Impact
Lower onboarding friction for clinical staff across 100+ hospitals.