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allwells/README.md

Allwell Onen

Frontend & Full-Stack Engineer

Portfolio LinkedIn Email


6 years building production web applications entirely remote across Africa, the US, Europe, and Latin America. I specialize in real-time systems, full-stack SaaS architecture, and CMS-driven marketing platforms.

Currently building SmoothBook, a multi-tenant hotel channel management SaaS that eliminates double-bookings across OTAs using iCalendar sync and real-time availability tracking.


What I Build

Real-time systems - WebSocket architectures, live dashboards, concurrent user handling (2,000+ users), 60 FPS data interfaces

Full-stack SaaS - Multi-tenant PostgreSQL schemas, Next.js API routes, authentication systems, payment processing (Paystack), iCalendar integrations

Data visualization - Chart.js + Recharts dashboards processing up to 10,000 data points, role-based analytics views

CMS-powered platforms - Expert Sanity and Storyblok implementations enabling non-technical teams to operate independently

AI-powered tools - Multi-provider AI pipelines via Vercel AI SDK (OpenAI, Anthropic, Google), automated content generation, job curation engines


Tech Stack

Frontend TypeScript React Next.js Vue.js Tailwind CSS GSAP

Backend & Database Node.js PostgreSQL Prisma Supabase GraphQL

CMS Sanity Storyblok

Tools Vercel Docker Jest


Featured Projects

๐Ÿจ SmoothBook

Multi-tenant hotel channel management SaaS. Solves double-bookings across OTAs via iCalendar sync engine and API integration, multi-tenant PostgreSQL architecture, payment processing (Paystack for now), and embeddable booking widgets. Next.js TypeScript PostgreSQL Prisma Paystack iCalendar Better Auth

๐Ÿงพ NaijaExpense

Full-stack expense tracker with Nigeria's 2026 Tax Reform Act compliance engine built from scratch โ€” CIT/PIT/CGT calculations, Tesseract.js OCR receipt scanning, multi-currency support, FIRS-ready audit CSV exports, and PWA installability. Next.js 15 TypeScript Supabase PostgreSQL Tesseract.js Shadcn/ui Better Auth

๐Ÿš€ OrbitJobs

AI-powered job content engine for X's Ads Revenue Sharing program. Multi-provider AI thread generation (OpenAI, Anthropic, Google), JSearch job pipeline with deduplication, Telegram bot notifications with deep links, and X API v2 automated posting. Next.js TypeScript Vercel AI SDK PostgreSQL Supabase Telegram Bot API X API v2


Currently

  • ๐Ÿ—๏ธ Building SmoothBook (multi-tenant hotel SaaS)
  • ๐Ÿ’ผ Software Engineer at Braudit (employee performance platform)
  • ๐ŸŒ Open to remote Front-End roles โ€” Worldwide

Lagos, Nigeria (GMT+1) ยท Available for US East Coast overlap or full European hours

Pinned Loading

  1. web3-waitlist web3-waitlist Public

    Web3 waitlist with X login and wallet connect.

    TypeScript 1

  2. naija-expense-tracker naija-expense-tracker Public

    Nigerian business expense tracker with 2026 Tax Reform Act compliance.

    TypeScript 1

  3. orbit-jobs orbit-jobs Public

    A specialized content engine designed to bridge the gap between job platforms and X's Ads Revenue Sharing program.

    TypeScript 1

  4. backlinq-apify-actor backlinq-apify-actor Public

    Apify Actor that wraps the Backlinq SEO backlink intelligence API. Query domain authority, backlink profiles, referring domains, and multi-domain comparisons via the Apify Store.

    TypeScript