ENTRY NO. 0001 — LAGOS, NIGERIA

Abraham James
builds shippable software.

Full stack engineer with 5+ years across fintech, e-commerce, and B2B SaaS — now founder of Biztack and Sharpdine, two live products serving African entrepreneurs.

160+
Biztack users, 3 countries
2
products live in market
5yr
shipping production code
// FOUNDER LEDGER

Products I built and shipped

03 entries

Self-funded, self-shipped, end to end — architecture, payments, and the first paying customer.

2024 —
present

Biztack LIVE · PAID

biztack.com.ng ↗ — Unified Business OS
Biztack product preview

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
₦1,888/mo
2024 —
present

Sharpdine LIVE

sharpdine.com ↗ — AI-powered Restaurant Operating System
Sharpdine product preview

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
Lagos F&B
2023

Fèsì SHIPPED

End-to-end encrypted chat app, Android

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

Android
// EMPLOYMENT RECORD

Where I've shipped for others

04 roles
Aug 2025 – Jan 2026
Senior Frontend Engineer
Gasco LTD

Built the Gasco-ngv CNG gas procurement application on Next.js and React Native. Reusable component library cut future feature delivery time 30%.

Apr 2025 – Sep 2025
Senior Frontend Engineer
Finceptive LTD

Built the CASA marketing site and the CASA MFB Admin Dashboard from UI/UX designs, driving cross-team API integration and design consistency.

Sept 2021 – Feb 2025
Frontend Engineer
Vendease LTD, Lagos

Built and maintained the Vendease Marketplace on Angular/RxJS/NgRx. Boosted mobile engagement 90%, cut load times 80%, improved SEO visibility 90%.

Feb 2020 – Aug 2020
Junior Web Developer (Contract)
Strategy Guru

Cut page load time 50%, lifted conversions 30% on optimized landing pages, and led a frontend team to a 95% client-satisfaction delivery.

// STACK

Tools of the trade

Frontend
React, Next.js, Angular, React Native, Tailwind CSS, shadcn/ui, Vue, Nuxt.js
Backend
Node.js, NestJS, Spring Boot, Socket.io, REST & webhook integrations
Data & Infra
PostgreSQL, Supabase, Firebase, MongoDB, Redis, Docker, AWS, Vercel, Railway
Mobile
Jetpack Compose, Flutter, SwiftUI, React Native
Payments & Ops
Flutterwave, Git, GitHub Actions, Jira, Lighthouse, Postman
Security
Kali Linux, Nmap, BurpSuite — pursuing eCDFP, GCFE/GCFA