Abraham James
builds shippable software.

Biztack LIVE · PAID

Consolidated three standalone PWAs — InvoiceNG, BillNG, RetailNG — into one Next.js application on a single Supabase auth and database layer. First paying subscriber converted via Flutterwave.

• Tiered access controls, dynamic upgrade prompts, PWA offline caching
• CSV/PDF export, OTP auth, Levenshtein email-typo correction
• 160+ organic users across Nigeria, UK, and Europe — zero paid marketing

Sharpdine LIVE

Full stack for Lagos dining: marketing site, owner dashboard, and QR-based customer ordering, with an AI assistant for order and operations support.

• Sharp AI — Groq Llama 3.3 70B, confirmation-gated action flow
• Flutterwave billing via Supabase edge function, after diagnosing silent webhook rate-limiting on Vercel
• FCM push notifications, real-time order toasts, competitive analysis vs. incumbents

Fèsì SHIPPED

WeChat-style messenger with a NestJS + Socket.io + Redis backend, dual-key ECDH encryption, and Redis-enforced single-session login.